24 Apr 2019

• Fixed the positions of toast messages and the selected name.
• Added unpremultiply to the texture unpacker.
• Added Slot > New: Bone (creates a bone and moves slot under it).
• Fixed a second performance problem with the bone Create tool.
• Fixed texture packing with scale.

22 Apr 2019

• Added rulers.
• Fixed blurry font rendering on some dialogs.
• Creating multiple skin placeholders for existing attachments keeps original visibility and uses a single undo state.
• JSON export no longer writes an empty default skin.

21 Apr 2019

• Fixed hotkeys that show a dialog from causing a character to be typed in the dialog.
• Many fixes from 3.7.93.

17 Apr 2019

• Added tight packing of mesh polygons to the texture packer.
• Fixed export progress bar movement.
• Fixed cancelling texture packing.

13 Apr 2019

• Many fixes from 3.7.92.
• Fixed welcome screen layout jumping when first shown.
• Added x and y coordinates for setup pose AABB in JSON and binary data.

13 Mar 2019

• Don't show welcome screen if opening a project by double clicking a file.
• Fixed welcome "new" image when window is narrow.
• Improved welcome layout, more horizontal space for recent projects.
• Fixed scrollbars not showing sometimes.
• Changes from 3.7.92.

27 Feb 2019

• Welcome screen showing news, changelog, tips, links, recent files, and examples.
• Fixed width font for dopesheet frame text boxes.
• Dopesheet frame text boxes fit 5 digits.
• Trial intro animations and sign up.
• Improved fonts.
• The Large font can use the Bitmap setting for more efficient rendering.
• Show "Restore" for maximize and fullscreen tooltips.

Unreleased

• Fixed a second performance problem with the bone Create tool.

22 Apr 2019

• Fixed loading some projects with an invalid clipping end slot.
• Fixed performance issue with Create tool.
• Fixed losing view layouts.
• Fixed weights view slider not appearing.
• Fixed Rotate tool icon rotation when mesh vertices are selected.
• Fixed Auto Key not creating a key when pasting vertex positions.
• Fixed spacing for dopesheet rows for bones with no keys.
• Prevent keys from being pasted in setup mode.
• Added ctrl+alt hotkey (cmd+alt on Mac) to tooltip for key Offset.
• Fixed using key Offset via the hotkey so it can be adjusting multiple times.
• Fixed key Offset not adjusting curves correctly.
• Fixed crash when binding bones and choosing a linked mesh.
• Fixed Import Data when the data doesn't have a default skin.

13 Apr 2019

• Fixed transform constraint Offset not auto collapsing for animate mode.
• French updates.
• Fixed projects that have a linked mesh with another linked mesh as the parent mesh.
• Fixed crash deleting a skin placeholder and keeping all attachments.
• Fixed ghosting solid rendering.
• Fixed texture unpacker hotkey.
• Fixed open project error message.
• Improved temp file usage to not leave as many files behind.
• Improved display support on Linux.
• Fixed bones not drawn hollow when a transform constraint has negative mix.
• Fixed ghosting for mesh deforms.
• Added motion vectors to region attachment vertices.
• Fixed atlas packing during data export always combining subdirectories when Image Folders is chosen.
• Fixed loading old export settings JSON format.
• Fixed Import Data with path attachments.
• Fixed projects on load which have a clipping end slot in the wrong skeleton.
• Clearing tree text search scrolls to the selected nodes.
• Hiding a path's slot no longer prevents path constraints from being applied.
• Fixed Edit Mesh, Generate causing image to disappear when backface culling is enabled.
• Fixed exporting to the images folder from the CLI.
• Fixed loading old export settings JSON.
• Suggest a unique name when duplicating a skin.
• Fixed naming when duplicating multiple skins at once.
• Fixed undo after duplicating a skin.
• Fixed duplicating a skin creating linked meshes where the source mesh is another linked mesh.
• Fixed Preview crash when adding new timelines during a mix.
• Fixed crash after deleting the animation playing in Preview.

19 Feb 2019

• Fixed running texture packer from command line when pack settings file ends with .pack.json.
• Fixed texture packer settings dialog always showing Current project as checked.
• Fixed mesh resize prompts not appearing when only the image width or height changed.
• Fixed specifying -j/--project on the CLI.
• Fixed non-bitmap font rendering on OS X.
• Fixed crash deleting attachments.
• Fixed a rare crash when saving.
• Fixed crash using Import Project - Animation when the project has no animations.
• Fixed crash with an invalid audio device.
• Fixed rare crash when dropping a project file on the Spine window.
• Fixed rare crash with tree text search.
• Show dialog instead of crash when unable to write export or texture packer settings file.
• Fixed rare occurrence of an image not being loaded when exporting images or video.

17 Feb 2019

• Fixed texture packing settings not showing Combine subdirectories as checked.
• Fixed using export settings JSON in old format.
• Attachments with Export unchecked are no longer visible in image and video exports.
• Don't draw clipping, bounding boxes, or points in the Outline view.
• Fixed Outline showing hidden slots when Shear tool is selected.
• Fixed blurry Unicode fonts and improved font rendering.
• Improved where word wrapping occurs for Japanese and Korean.

11 Feb 2019

• Fixed dopesheet selection box positions when the dopesheet is resized vertically.
• Remember last bone Split settings.
• Fixed bone not being selected after bone Split.
• After deselection, the dopesheet orders the previously selected skeleton first, even when the previous selection had no keys.
• Fixed bones not following paths for image and video export when the export is done from setup mode.
• Fixed error about currentProject when running the texture packer.
• Fixed Preview during mixing when rotation is not keyed on frame 0.

8 Feb 2019

• Key Offset now respects loop start/end.
• Fixed whitespace stripping for meshes when using a texture packer scale != 1.
• Improved saving export and pack settings as JSON when choosing "export" or "pack" as the filename.
• Better error message when export settings file can't be found.
• Fixed reading older export settings JSON files.
• Slightly faster editor loading times.

9 Jan 2019

• Fixed crash showing a dialog in certain conditions.

8 Jan 2019

• Fixed texture packing when multiple skeletons or attachments use the same image files.
• Fixed texture packing whitespace stripping for region attachment images.
• Fixed texture packing when multiple attachments end with /name.
• Fixed crash when creating two IK constraints with a cyclic dependency.
• Fixed crash related to tree draw order.

7 Jan 2019

• Fixed texture packing Image folders along with JSON/binary export not removing images path from texture region names.
• When packing multiple skeletons into one atlas, an error is shown if atlas texture regions have the same name.
• Fixed crash when exporting a texture atlas into a skeleton's images folder.

7 Jan 2019

• Fixed JSON Data Import.
• Always set the output prefix when changing the animation to be exported on the export dialog.

6 Jan 2019

• Assume all PNGs are sRGB (don't apply other gamma).

6 Jan 2019

• Don't apply PNG gamma if sRGB is specified explicitly.
• Fixed sRGB being applied twice when a PNG has sRGB specified explicitly.
• Fixed a rare crash.
• Fixed a crash with the Create tool.
• Improved selection outline when an attachment is scaled.

4 Jan 2019

• Search hotkey (enter) selects any existing text.
• Search - Select All hotkey (ctrl+enter) expands the tree to every selected node.
• Added a red border to the tree search box when an invalid regular expression is typed.
• Show hotkeys in tooltips for main toolbar's Options group.
• Translation updates.
• Better proposed name when creating a new skin placeholder.
• Disallow NaN values for JSON data import.
• Fixed rare crash when choosing a recent project.
• Added totals to CLI project information.

26 Dec 2018

• Fixed crash when hiding all animations.
• Playback Repeat defaults to checked for animations in older projects and is set correctly when a project is loaded.
• Improved error messages.

25 Dec 2018

• Only hide skeleton and skin names in attachment names.
• Fixed font rendering for the ! character.
• Show hotkeys in Views select box.
• Fixed mesh stripping when a region uses the same image.
• Don't prompt to move a slot when dropping an attachment on the current slot's bone.
• Faster start up for CLI usage.
• Fixed main toolbar button widths when text is not shown.
• Better text alignment for the Small font.
• Fixed Japanese, Chinese, and Korean fonts being slightly too tall.
• Much improved font kerning.
• Double right click on an animation in the Preview view makes it the active animation for the skeleton.
• Gray all tree items when a search matches no results.
• The tree search will now be considered a regular expression if it starts and ends with /.
• Added Search - Select All hotkey (ctrl + enter by default, cmd + enter on Mac).
• Fixed numeric sliders not showing the precision if a value is typed.
• Playback Repeat is now stored per animation (for the editor only).

21 Dec 2018

• Texture packing can now use mesh UVs for whitespace stripping.
• Added a Current project texture packer setting when packing a folder to use mesh UVs from the current project for whitespace stripping.
• Added a CLI parameter (-j or --project) to specify one or more projects to use mesh UVs for whitespace stripping.
• Hide Combine subdirectories texture packer setting when it doesn't apply (packing only attachment images).
• Added tree settings to hide skeleton and/or skin names in attachment names.
• Type-to-select for select boxes with icons.
• Fixed Settings dialog not resetting to defaults.
• Orange flash when using key adjust or offset.
• Fixed a crash when picking a slot for attachments.
• Fixed tree horizontal scrollbar appearing too early.
• The tree is more efficient when it has many thousands of nodes.

17 Dec 2018

• Better export error messages when a file cannot be written.
• Linear filtering setting now affects ghosts and attachment outlines (much better for pixel art!).
• Bone scale no longer affects viewport backgrounds.
• Settings dialog improvements.
• Reduced memory usage for extremely large projects.
• Removed debug lines from color chooser.
• Updated Japanese translations.
• Added keyboard input to lists and select boxes: up, down, home, end, and type-to-select.
• Escape to close a select box, filter button, etc no longer deselects.
• Fixed flickering and other issues with pixel grid rendering.

16 Dec 2018

• Fixed crash getting OS language.
• Fixed dopesheet sometimes not showing overview keys.
• Fixed a rare crash.
• Added Add Selection hotkeys (shift+0 thru shift shift+9).
• Added setting (prefs.json only for now) to use the middle mouse button to pan.
• Greatly reduced project loading times for projects with thousands of attachments.
• Faster loading of subsequent projects.
• Faster switching between setup and animate mode.
• Fixed export preview freezing when settings are chosen which would result in an unreasonably long export.
• Added scrollbars for export skeleton, skin, and animation select boxes.
• Improved error messages for debugging.
• Fixed crash using bone split when the tree properties don't match the viewport selection.
• Fixed dopesheet not showing new keys when the Show All Bones/Slots hotkey is used.
• The Preview view is now affected by the Playback view Interpolated button.
• Fixed export preview border being off by 1px.
• Fixed crash clicking the Draw Order timeline when bones are hidden in the tree.
• Better Slot Color view layout when small and for dark color when Tint Black is enabled.

13 Dec 2018

• Allow transform constraint scale and shearY mix < 0.
• Fixed duplicating or deleting the root bone with multi selection.

12 Dec 2018

• Fixed dopesheet crash when locked with row that has no keys and the animation is hidden.
• Fixed CLI export problems.

11 Dec 2018

• Text search box uses less vertical space above the tree when possible.
• Triggered event are now shown above the selection name if they would otherwise be off-screen.
• Improved alphanumeric sorting to handle numbers that are not at the end of a name.
• Fixed audio not loading in some cases for a collapsed or hidden skeleton.
• Fixed bug where some images were not unloaded when a skeleton is hidden.
• Improved efficiency for projects with many hidden skeletons.
• Hiding a skeleton now hides all the tree nodes for that skeleton.
• Show empty dopesheet rows for selected bones that have no keys.
• Dim tree nodes that don't match the text search.
• Stopped dopesheet from flashing when ctrl/cmd is pressed.
• Dopesheet rows can be dragged to reorder.
• Organized Views select box.

6 Dec 2018

• Hiding slots in the tree now hides Draw Order.
• Fixed text search crash.

6 Dec 2018

• Holding ctrl + alt (cmd + alt on Mac) while dragging keys in the dopesheet now does key Offset.
• Fixed tree crash.

5 Dec 2018

• Added type-to-search and type-to-filter to the tree.
• Fixed tab not focusing the rotate text box.
• Fixed bad clipping from wrecking the camera.
• Improved pasting vertices.
• Show bones, slots, and attachments tree filter buttons as selected when the tree filter is active and all types are selected.
• Attachments tree filter button disables all attachment types when clicked if any attachment filters were active (previously it enabled all attachment types).
• Hiding slots in the tree now also hides Draw Order.
• Removed Constraints from tree filter.
• Fixed crash adding a new skeleton or dragging to reorder skeletons.
• Added text field focus highlights.
• Added Tree Filter and Dopesheet Filter hotkeys to toggle filters on/off.

1 Dec 2018

• All languages have been updated with the latest translations.
• Update the export preview while dragging the frame slider.

30 Nov 2018

• Fixed lag when dragging sliders on export dialog.
• Fixed export dialog not showing "all animations" when "separate skeletons" is chosen.
• Added Fibonacci setting when splitting a bone.

28 Nov 2018

• Fixed MSAA export on OS X.

28 Nov 2018

• Fixed crashes using New tool in Edit Mesh mode when a mesh has deform keys and weights.

28 Nov 2018

• Fixed crash clicking Files on the Settings dialog.

28 Nov 2018

• Background settings improvements.
• Metrics view considers all visible skins.
• Color dialog layout improvements.
• Respect setting to disable double click in various areas.
• Categories for the Settings dialog.
• Fixed a bug when moving a slot to a new bone.
• Allow right click when picking a parent in the tree.
• Fixed crash when dropping an image file on a bone.

20 Nov 2018

• Added an option to move current slot when setting an attachment's parent to a bone.
• Show dialog when moving an attachment to a bone in the viewport (use tree filter to easily select and move slots rather than attachments).
• Hotkeys for playback speed.
• Added back the MSAA setting for the editor (nice for hard edges of region, mesh, and especially clipping attachments).
• Added MSAA setting for image and video export.
• Fixed open export when output is prefix.
• Fixed image and video export not applying deformation when in setup mode.
• Fixed insertion indicator while dragging a skeleton in the tree.
• Allow dragging multiple skeletons at once.
• Added settings for various background types.

18 Nov 2018

• Allow event a draw order keys to work with key Offset.
• Toast message when key Offset causes the key on the last frame to be lost.
• Added dialog to choose behavior when mesh image files change size.

17 Nov 2018

• Enter closes color dialog.
• Fixed Prune showing incorrect number of weights removed in some cases.
• Added more Edit Mesh hotkeys.
• Fixed rare crash pasting keys.
• Fixed crash creating a skin placeholder for a non-mesh attachment and duplicating the attachment for each skin.
• Fixed a crash during command line data import.

15 Nov 2018

• Fixed export dialog preview when a skeleton has no current animation.
• Potential fix for gray screen after fullscreen -> minimize -> restore for some Windows users.
• Fixed headless CLI data export.

12 Nov 2018

• Fixed pasting vertex positions with world axes selected.
• Added toast messages for copy and paste.

12 Nov 2018

• The selected vertex positions for mesh, path, bounding box, or clipping attachments can now be copy/pasted.
• Another video export fix.

12 Nov 2018

• Fixed video export not being able to create a temp file.

12 Nov 2018

• Offset can now be used with deform, IK constraint, transform constraint, and path constraint keys.
• Keys that don't support Offset (attachments, events, or draw order) are automatically deselected.
• Offset is not applied if ctrl and shift (cmd and shift on Mac) are pressed to copy a key.
• Fixed Offset not allowing multiple changes to rotation keys in some cases.
• The Mesh Tools view now shows the soft selection brush size and feather in the viewport.
• Less flicker when resizing the application window.
• Fixed texture unpacking to restore stripped whitespace.
• Fixed maximizing the application window with an auto hiding taskbar on Windows.
• When importing a skeleton, if no attachments are visible, the first skin is made visible.
• When creating a new region attachment for an image file, the attachment is nudged by 0.5 in each direction with an odd dimension to keep 1:1 texels:pixels when bones have integer world coordinates.

10 Nov 2018

• Fixed crash exiting Weights bind mode.
• Fixed crash holding alt when key Offset is used and an overview key is dragged.
• Fixed crash after deleting an attachment in some cases.
• Fixed crash pasting event keys after deleting the event.
• Clicking a file icon in the file dialog now opens the browse dialog in that file's parent folder.

9 Nov 2018

• Fixed crash duplicating when a name ends with a very large number.
• Don't give editor focus when clicking SRTH keys.
• Fixed mesh Scale causing two undo entries.
• Fixed crash with old launchers trying to start the editor twice.
• Improved rendering during resize/maximize/fullscreen/restore.
• Keep maximized state after minimizing on Windows.
• Fixed switching to/from Spine when fullscreen on Windows.
• Fixed CLI exports hanging when the output folder is blank.
• Fixed CLI data import allowing skeletons to have the same names.
• Fixed Animations view skeletons select box.

6 Nov 2018

• Fixed video export and exporting a file per frame.

6 Nov 2018

• Fixed Preview not displaying correctly.
• Added Isolate checkbox to Edit Mesh dialog.

4 Nov 2018

• Fixed the old pose still showing after deleting keys.
• Force a redraw after maximize/fullscreen/restore on Windows.
• Go back to losing fullscreen when focus is lost (thread).
• Fixed double clicking name in the viewport to rename when something else is selected in the tree.

4 Nov 2018

• Fixed not being able to key meshes, paths, and other items.
• Fixed undo for dopesheet keys.
• Fixed mesh, path, bounding box, and clipping attachment world rotation.
• Fixed export skeleton select box disappearing.
• Fixed a number of crashes with editing meshes and deform keys.

30 Oct 2018

• Fixed crash with Update Bindings when multiple meshes are selected.
• Fixed crash in some case when holding shift to select bones in the Weights view.
• Fixed a mesh, path, bounding box, or clipping attachment being corrupt after undo in some cases.

27 Oct 2018

• Fixed issues with multiple selection in the tree.
• Improved stability.
• Improved export handling of hidden skeletons and skeletons and animations with export disabled.
• Fixed crash during undo when applying the tree attachment selection to the viewport.
• Fixed crash dragging in the Weights view when a mesh has no weights.
• Fixed crash when clicking a region attachment with the Create tool.

27 Oct 2018

• Fixed crash hovering a mesh in the tree in certain scenarios.
• Improved automatic selection of attachments in the viewport based on the tree selection.
• Fixed dopesheet showing rows during playback as if there is no selection.

26 Oct 2018

• Many stability improvements.
• Added Export checkbox for skins.
• Fixed reordering constraint bones.
• Editor receives focus after clicking a bone in the dopesheet (eg for pasting a bone transform).
• Fixed hover of region attachments under a skin placeholder during playback.
• Fixed clicking a region attachment in the viewport in animate mode (selects in the tree).
• Added Dim and Triangles checkboxes to Edit Mesh.
• Fixed key offset being applied when the Offset button is not active.
• Fixed crash selecting multiple skin placeholders when no skin is active.
• Improved Find and Replace list UI.
• Fixed crash while offsetting.
• Fixed a crash when a skeleton has no bones.

22 Oct 2018

• Use native file chooser on OS X with latest Spine launcher.
• Fixed export fit size when only width or height is specified.
• Fixed open dialog layout issues.
• Fixed key state after dopesheet jump to start/end.
• Fixed changing playback speed causing the skeleton to jump.
• Fixed clicking the timeline during playback when playback speed != 100%.
• Moved range and crop controls out of preview on the export dialog.
• Provide a default name when creating a new attachments.
• Fixed auto key after moving a path position.
• Fixed export dialog size for data export.
• Fixed minimum application window size.
• Ghosting is now drawn before or after each skeleton, not all skeletons.
• Scrolling for the Ghosting view and collapsed by default.
• Fixed an export crash.
• Fixed data export having skeleton width and height as 0 if the skeleton is hidden.
• Fixed shear Y numeric entry when auto key is active.
• Fixed rotation numeric entry for world axes when parent bones are scaled or sheared.
• Fixed scale numeric entry for mesh and bounding boxes not using the selected axes.
• Added right click Open menu item and open button in titlebar for browse dialog.
• Added checkbox to keep all attachments when deleting a skin placeholder.
• Fixed losing fullscreen when the application window loses focus.
• Fixed fullscreen not being the right size on secondary monitors.
• Fixed pasting bone transforms to bones with inherited shear or rotation disabled.
• Fixed pasting bone transforms to IK bones with a different bend direction.
• Fixed crash when moving slots to a different skeleton using Set Parent rather than dragging.
• Fixed draw order changing when moving slots to a different skeleton.
• Increased dopesheet FPS limit to 1000 (to match milliseconds).
• Timeline zoom range now scales with dopesheet FPS.
• Fixed crash undoing a new bounding box or clipping attachment.
• Undo system improvements for stability.
• Fixed a path control handle getting further away when translating the other handle.
• Offsetting now selects all keys in each timeline with a selected key.
• Slightly wider hex color text field.
• Fixed Edit Mesh not updating triangulation after deleting an edge.

30 Sep 2018

• Fixed crash deleting a bone used in mesh weights.
• Fixed mesh keys exporting as stepped.

29 Sep 2018

• Allow setting any font size in prefs.json.
• Fixed Preview and Ghosting not showing meshes.
• Fixed mesh wireframes not moving during playback.
• Fixed opening very old projects with incorrect paths.

27 Sep 2018

• Fixed mesh editing in animate mode.
• Fixed UI transparency rendering issues.

26 Sep 2018

• Current frame no longer shows decimal during playback.
• Fixed export preview size estimate for huge files.
• Fixed crash binding a bone to a mesh.
• Flash taskbar for longer after an export (Windows).
• Fixed a crash when changing skins.

25 Sep 2018

• Fixed JSON and binary export.
• Fixed opening some older projects.

24 Sep 2018

• Fixed setting region world rotation.
• Duplicate for any number and type of selected items.
• Prune now modifies the mesh as the slider is changed.
• Added a limit to Prune for the maximum number of bone weights per vertex.
• Fixed not scrolling to the slot when selecting an attachment in the viewport and bones and attachments are hidden in the tree.
• Focus text box when clicking outside rename dialog.
• Import Project can now import multiple skeletons at once.
• The Animation and Skins views show the tree properties without scrolling the tree (right click still does).
• Added Duplicate hotkey (ctrl + D, cmd + D on Mac).
• Fixed rare crash when duplicating a slot.
• Right click pan no longer stops box selection in the viewport.
• Right click can no longer select when doing box selection in the viewport.
• Fixed dopesheet mixing rows from different skeletons.
• Remember Weights view mode.
• Only show "slot is hidden" export warning for regions, meshes, and clipping attachments.
• Added Warnings checkbox to disable warnings after JSON and binary export.

23 Sep 2018

• Rename and delete for any number and type of selected items.
• Select and Export setting for clipping and bounding box attachments.
• Select and Export settings when selecting multiple attachments.
• Set Parent when selecting multiple attachments.
• Mesh settings when selecting multiple region or mesh attachments.
• Fixed losing tree selection when hovering a different attachment in the tree.
• Fixed undo and redo hotkeys happening twice.
• Update mesh icons when unlinking a linked mesh.
• Truncation with ellipsis when the tree properties are too narrow.
• Fixed disabled duplicate icon.

22 Sep 2018

• Added title bar buttons for open, save, undo, and redo.
• Drag Open button in title bar to access recent projects.
• Reduced memory usage, CPU usage, and project file size, especially for projects which use many deform keys on dense, weighted meshes.
• Better project unloading before loading another, preventing memory exhausting with extremely large projects.
• Slightly faster project loading and saving.
• Only show audio path in animate mode if it is set.
• Fixed IK timelines being exported with stepped curves.
• Fixed crash when creating a new skin placeholder for an existing attachment.
• Fixed event properties flashing when changed in animate mode.
• Fixed sorting in the dopesheet of color, attachment, and deform timelines.
• Fixed exports showing all applied skins.

17 Sep 2018

• Added the Skins view to show multiple skins at the same time.
• Added options when creating a skin placeholder for an attachment to copy to all skins, copy keys, create linked meshes, and rename the copies.
• Added option when duplicating a skin to rename the attachments.
• Flash taskbar on Windows when an export is complete.
• Fixed bone Z-fighting in some cases.
• Fixed deform keys not being removed before some actions (eg Generate) if a mesh doesn't have weights.
• Fixed incorrect triangle lines after undoing Generate.
• Fixed animations' Export checkboxes.
• Fixed GIF export dithering and issues with transparency.
• Allow dragging to change transform constraint order.
• Fixed bones select box labels after dragging.
• Fixed GIF playback when set to one time.
• Fixed attachments incorrectly having a "not found" red X on their icon.
• Fixed skins select box not showing on export dialog in some cases.
• Fixed dopesheet not updating when a mesh's Inherit deform is changed.
• Select default text on all dialogs.

13 Sep 2018

• Duplicating a skin can create linked meshes.
• Duplicating a skin can also duplicate deform keys.
• Fixed some GIF animations not exporting.
• APNG export improvements and optimizations.
• Fixed project files with invalid path constraint bones.
• Adjust relative paths when importing a project into another to keep the same images and audio paths.
• Don't look in application working directory for relative image and audio paths.
• Fixed crash using Set Parent to move bones to a different skeleton.
• When choosing New > Bone with shift held, the parent bone remains selected (like it does with the Create tool).
• Fixed crash when pasting keys if the slot or bone for the key has been deleted.

7 Sep 2018

• Fixed balance for mono audio files.
• Fixed export dialog not showing last background color.
• For export, checking Others now includes names, if they are visible.
• Fixed GIF export having a black last frame.
• Improved GIF quality slightly.
• Path handles are no longer considered for export bounds.

5 Sep 2018

• Fixed audio playback after pressing last key and jump to start timeline buttons.
• Fixed bone shear for Data Import.
• Fixed Preview showing tint black after it is removed from a slot.
• Fixed failure to read some MP3 files.
• Added hold previous button to Preview.
• Improved scrollbar graphics.
• Added events list with colors to Audio view.
• Fixed audio keys being drawn incorrectly in the dopesheet.
• Added Repeat Last Texture Packer hotkey (ctrl+shift+P).
• Fixed audio playback when changing between animations playing the same audio.
• Fixed selecting an event marking the project as unsaved.
• Fixed event key state after pasting into String field.
• Added "hold previous" button to Preview view.

1 Sep 2018

• Fixed dopesheet height.

31 Aug 2018

• Fixed crash opening export dialog.

31 Aug 2018

• Fixed zoom to fit and zoom 100% when interface scale > 100%.
• Fixed losing selection when ctrl/cmd + clicking a selected attachment with the Create tool.
• Fixed artifacts on color dialog and Slot Color view.
• Slightly faster application start up.
• Minor fixes for stability.
• Added choosing an audio output device to the Audio view.
• Weights view checkboxes now select the Weights tool instead of being disabled.
• Fixed crash using ctrl/cmd to add different types of attachments to the same selection.
• Fixed smart selection rules for bounding boxes, paths, clipping, and point attachments.
• Fixed point attachments not showing as selected with the Create tool.
• Prevent changing the horizontal scroll position when the timeline is zoomed.
• Prevent timeline zoom to fit from zooming in an unreasonable amount when the view is wide.
• Added volume to Audio view.
• Thicker clipping attachment edges.
• Allow setting colors for multiple attachments at once.
• Increased Current/Start/End text box widths in the dopesheet.
• Fixed orange frame number when dragging dopesheet keys when scaling a selection smaller.
• Improved timeline zoom slider and UI padding.
• Improved handling of tabs that are smaller than their contents.
• Fixed bug with Combine subdirectories when packing a texture atlas.

23 Aug 2018

• Added Compress and Uniform settings to 1-bone IK constraints.
• Fixed data import not seeing stretch in IK timelines.
• Greatly improved font rendering when interface scale is >100%.
• Fixed mesh and path editing when interface scale is >100%.
• Changed default texture packer max size to 2048.
• Fixed texture packer progress when packing many folders.
• Fixed crash when zooming the Audio view in some cases.
• Fixed crash when exporting video which has audio longer than the video.
• Detect OpenAL audio initializing correctly but not being able to start playback.
• Fixed right clicking a track button in Preview not using that track's settings.
• Fixed dragging bone length being able to change tree item visibility.
• Right clicking a visibility dot now uses a single undo entry and is much faster.
• Fixed off-by-1px problem with vertical scrolling in the Dopesheet.
• Fixed stepped dashed line before first key not appearing for color timelines.

14 Aug 2018

• Fixed New Animation button in Animation view not working when a skeleton has no animations.
• Fixed saving JSON and binary projects after doing an export with texture packing.
• Added export setting for JSON and binary to 1) pack only attachment images or each skeleton's image folder, and 2) to output a single atlas or an atlas per skeleton.
• Fixed export dialog not remembering output path.
• Fixed Preview changing animations when a different track is selected.
• Fixed Spine launcher (3.7.28) not running on some Windows computers.

13 Aug 2018

• Better consideration of bones when calculating skeleton bounds.
• Various Spine launcher improvements (3.7.27).
• Fixed audio being shorter than video, causing a desync when looping in some players.
• Prevent losing the selection when dragging on a region attachment in animate mode.
• Fixed video + audio exports with a range.
• Improved export progress indicator.
• Fixed crash during texture packing.
• Show dialog instead of crashing if texture atlas unpacking fails.
• Fixed binary export not writing stretchy IK boolean for IK timeline keys.

11 Aug 2018

• Pad setting for export Size: Fit.
• Fixed loading range and crop export settings (from JSON and last exported).
• Fixed various export dialog bugs.
• Remove extension when choosing the wrong export file type.
• Added hotkey to open a project, bypassing the favorites dialog (ctrl+shift+O, cmd+shift+O on Mac).
• New Spine launcher, 3.7.23 (requires manual download and reinstall). Improves overall performance, highly recommended.
• Fixed resampling when exporting video with audio (requires new launcher).

7 Aug 2018

• Fixed crash double clicking an attachment while holding ctrl with the Create tool.
• Fixed export Size: Fit.
• Minor export improvements.
• Fixed some occasional crashes.

7 Aug 2018

• New, powerful image and video export with preview, cropping for cutscenes and cartooning, and more.
• Advanced, high quality GIF export settings.
• Added APNG and PSD export.
• Added skeleton and animation Export checkboxes.
• Added an animation clean up option for JSON and binary export.
• Added a Stretch checkbox to IK constraints.
• AVI and MOV now support audio.
• Create tool is no longer limited to selecting only one bone.
• Fixed crash doing CLI animation clean up for some projects.
• Fixed rare Create tool crashes.
• Increased pose tool rotation speed when only one bone is selected.
• Fixed icon select box crash on mouse down.
• Fixed the key selection state when a dopesheet row is collapsed.
• Fixed launcher progress bar (3.7.19).
• Fixed multiple "Export complete" toasts when exporting all animations.
• Enabled panning in Preview view with left click.
• Fixed bug where Pan Drag (J) would activate without pressing the mouse.
• Fixed drag indicator being drawn over tree expand/collapse icon when bones are hidden in the tree.
• Fixed transform constraint Match rotation offset.
• Fixed zoom after New project.
• Added Mesh Tools view tooltips.
• Export bounds now respect clipping.
• Removed MSAA setting (antialiasing is always used).
• PNG sRGB and gAMA chunks are respected.
• Added Divisible by 4 setting to the texture packer.
• Clicking in a blank space in the dopesheet now stops playback (timeline doesn't).
• Fixed checkers showing very faintly in color dialog with 255 alpha.
• Fixed texture packing progress bar when there are multiple skeletons.
• Added a setting for backface culling.

27 Jun 2018

• Fixes from 3.6.53 (important stability fixes).
• Improved dopesheet performance for projects with 15k+ keys per animation.
• Fixed crash clicking Browse for a folder on Import Data dialog.
• Fixed CLI exports not writing files.

25 Jun 2018

• Using tab to select the next text field now always selects all the text.
• Fixed hang after CLI data export.
• Fixed launcher not recognizing some parameters (new launcher version is 3.7.18).

15 May 2018

• Updated Italian translations.
• Print warnings when loading projects for the CLI.
• CLI animation clean up can take a folder of project files.
• CLI export can now take a folder of project, JSON, or binary files.
• Added CLI parameters to import a project, JSON, or binary file or folder into a project.
• Zero padding on filenames when exporting PNG or JPG sequences.
• Fixed texture packer padding causing images to be too large.
• Fixed JSON pretty print running out of memory with large (15MB+) JSON files.

8 May 2018

• Smoother launcher progress bar.
• Fixed undo when clicking Auto in the Weights view.
• Fixed Zoom 100% not resulting in 1:1 pixel zoom in some situations.
• Fixed path tangent dashed line scaling.
• Fixed paths breaking when handles are moved.
• Reversing keys using box select now also reverse the curves.
• Improved blurry graph handles.
• Fixed CLI JSON or binary export when Create atlas is checked.
• Added CLI parameter for showing project information.
• Tooltips for bone transform inherit properties.
• Fixed Preview track buttons staying orange after loading a new project.
• Unload images and audio for hidden skeletons.
• Improved dopesheet tick spacing for various font sizes.
• Prevent tree spacing from changing before restart when font size is changed.
• Fixed path fixed position, fixed spacing, and percent spacing when the path bone is scaled.
• Drag indicators in for constraints and draw order tree nodes.
• Use 0 if GIF repeat is set to blank.
• Fixed blurry dashed triangle line for Edit Mesh.
• Fixed adding the same bone multiple times to a path or transform constraint.
• Fixed Key Shift when moving white keys.
• Dopesheet no longer shows white keys in the first row as selected unless all keys are selected for the frame.
• Allow right mouse button to pan Audio view waveform.
• Fixed tab focus for modal dialogs.
• Fixed favorites file dialog staying open.
• Favorites file dialog is not shown if it contains only the current entry.
• Fixed texture packing when max size== image size, padding > 0, and edge padding == 0

11 Apr 2018

• AVI export now includes audio.
• Updated Italian translations.
• Fixed slot select box in existing slot dialog.
• Fixed distance required to start dragging vertices when zoomed in.
• Fixed a hang and some bugs when a mesh, clipping attachment, etc has zero scale.
• Slot Color view no longer shows color chooser when no slots are selected.
• Fixed being able to change 2-bone IK to have a bone with disable inherit rotation or scale.
• Fixed crash when using clipping with many thousands of vertices.
• Key Color hotkey works when a bone is selected, if the bone has a single slot.
• Key Color hotkey works on multiple slots (and bones with one slot).
• New -> Bone now creates at the new bone at the parent bone's tip (convenient for creating an IK target).
• The stepped transition from the setup pose to the first key is indicated with a dashed line.
• Increased decimal places on main toolbar for translation values >= 10 and < 1000.
• Dopesheet row sorting keeps slot color, attach, and deform timelines together.
• When a project has multiple skeletons, after deselection the dopesheet shows keys for all skeletons instead of none.
• When texture packing using combineSubdirectories, any subdirectory containing a pack.json file will not be combined.
• Fixed export JSON "class" field.

15 Mar 2018

• Export mesh with linked meshes even if Export is unchecked.
• Fixed load/save dialog titles on texture packer settings dialog.
• Always change the skeleton name when choosing a JSON file for Data Import.
• Allow specifying a folder of JSON or binary files for Data Import.
• Remember last settings for Data Import.
• On Windows, open Data Import when dropping a folder containing JSON or binary files on the Spine window.
• Improved Edit Mesh triangle line rendering and colors/dimming.
• Added a Viewport pixel grid scaling setting for pixel art skeletons.

4 Mar 2018

• When hiding a bone, the bone's keys are hidden in the dopesheet when otherwise all keys would be shown.
• Fixed crash when creating new path if clicking twice in the same position.
• Edit Mesh hotkey now changes a region attachment into a mesh.
• Added a tree indentation setting and increased default.

4 Feb 2018

• New Animation hotkey fixed.
• Fixed crash setting up views for the first time.

3 Feb 2018

• Fixed out of memory error when exporting.

3 Feb 2018

• Updated German translations.
• Added out of memory dialog during export.
• Fixes from 3.6.52.

26 Jan 2018

• Fixes from 3.6.51.
• Fixed slots not having tint black after data import.
• Added dashed lines for arrows and other lines.
• Fixed alpha for motion vector colors.
• Warning when trying to move vertices outside the hull when Deformed is checked.
• Allow bone scale setting up to 8.
• Improved zooming and panning with larger bone scales.

24 Nov 2017

• Added motion vector options to Ghosting view.
• Fixed crash converting recent files from prefs.json to recent.json.
• Fixed crash saving texture packer settings.
• Fixes from 3.6.48.
• Disallow .png as a texture atlas file extension.

2 Nov 2017

• Normalize waveform in Audio view to take up full height.
• Prettier Audio view waveforms.
• Fixed playback speed when no audio is playing.
• New Preview additive and remove icons.
• Fixes from 3.6.47.
• Added Resample setting to texture packer scales.

28 Oct 2017

• Fixed image and audio file watching.
• Fixed animate mode tooltip always showing at startup.
• Added icon overlays for mesh attachments, region attachments, image files, audio events, and audio files when the image or audio file is missing.
• Added visibility dot to events to disable playing audio and showing the event name in the viewport.
• Fixed transform constraint match shear offset.
• Fixed transform constraint match when local is checked.
• Added Audio view to show audio waveforms.
• Fixed timeline frame number color when setting loop.
• Cleaner shutdown of audio system.
• Fixed exporting skeletons with names that are invalid for the file system.
• Allow dragging audio file to Events node to create a new audio event.
• Fixed undo for moving audio event keys.
• Fixed warble while dragging after moving audio event keys.
• Increased initial width of the Preview view.
• Added an "additive" mode to tracks > 0 in the Preview view for morphing and combining animations in new ways.
• Fixed headless export crash.
• Delete JSON/binary file before exporting to reflect case change in skeleton name on Windows.

20 Oct 2017

• Fixes from 3.6.46.

5 Oct 2017

• Fixes from 3.6.42.

22 Sep 2017

• Fixes from 3.6.41.
• Moved recent files and view layouts out of the preferences JSON to separate files.

6 Sep 2017

• Merged fixes and improvements from 3.6.

27 Jun 2017

• Fixed message about audio files not being loaded.
• Fixed audio warbling when scrubbing, especially for small files.
• Fixed decoding some OGG audio files.

27 Jun 2017

• Added audio support.
• Fixed keys disappearing at the left edge of the dopesheet when the timeline is zoomed out.

27 Jun 2018

• Important stability fixes for the dopesheet, mesh editing, and other areas.
• Better error messages when a project file can't be loaded from the CLI.

3 Feb 2018

• Fixed Weights view Direct mode controls just after Spine is started.
• Fixed a key's curve being set to linear after moving keys twice with Offset enabled.
• Fixed path handles not mirroring correctly.
• Fixed issues with input events on OS X.

26 Jan 2018

• Fixed transparency in the editor when using tint black.
• Fixed new bones with length > 0 having a non-bone icon.
• After binding bones, fixed Auto weights only considering the one selected bone. It still uses the selected bones when Auto is clicked.
• Auto weights with selected vertices or bones shows a toast as a warning.
• Unknown hotkeys (often from newer versions of Spine) show a toast instead of a dialog.

1 Jan 2018

• Fixed crash creating a new path.

29 Dec 2017

• Fixed image export sometimes being 1 pixel too large.
• Blinking text cursors.
• Changed back to always showing pies for unselected vertices.
• Paths that are not closed show straight lines for before and after the path when selected.
• When specifying a .pack.json file for texture packing at the command line, the .pack.json extension is stripped when the file name is used for the texture atlas name.
• Fixed texture packer JSON writing a name attribute, which caused the JSON to fail to load when used as pack.json in image folders.

24 Nov 2017

• Fixed crash in edit mesh mode while dragging from hull vertices with Create tool.
• Fixed visibility dots changing when dragging items in the tree.
• Fixed not being able to drag an image file to a slot if tree filters are hiding bones.
• Fixed clipped image and video export bounds.

2 Nov 2017

• Fixed crash creating a skin placeholder on a bone.
• Fixed warning on Windows when exporting a skeleton with images in subfolders.
• Fixed deleting existing texture atlas files in scale subfolders.

20 Oct 2017

• Prevent invalid project files from being included as recent files.
• Delete bones with invalid skeleton on project load.
• When moving bones, slots, and attachments across skeletons, crash immediately if the move was incorrect to allow finding the reproduction steps for the bug.
• Fixed crash moving bones, slots, and linked meshes across skeletons in some cases.
• Fixed wrapping for next/previous frame hotkeys (R and F).
• Fixed next/previous key hotkeys (Q and E) not updating transform key buttons.
• Fixed warning on Windows that an image cannot be found when it doesn't have a lowercase file extension.
• Fixed warning that images were already packed when using scales and packing multiple times to same directory.
• Creating a new constraint now suggests a name, using the target.
• Less mesh UI clutter when adjusting weights, especially with pies disabled.
• Update Bindings now works with multiple meshes selected.
• Fixed linked mesh in skin placeholder being moved to a different slot without also moving the source mesh.
• Fixed bugs with moving a skin placeholder with a linked mesh to a different skeleton.
• Fixed bugs where after deleting a skin, the skin remained active.
• Fixed mouse events at the very top of the window from being accepted by tools.
• Fixed pasting deform keys to an attachment under a different bone.

15 Oct 2017

• Fixed crash clicking Update Bindings without a weighted mesh selected.
• Fixed Weights view not having a weight painting tool selected by default.
• Improved keeping the mesh position when removing deformation for: Reset in the tree properties in setup mode, Reset, Generate, and New in edit mesh mode, and when converting a mesh to a region.
• Fixed some actions being combined into the same undo step.
• Auto key works for mesh reset.

13 Oct 2017

• Fixed undo state showing as edited when a project is loaded.
• Fixed parsing JSON which uses \r (CR) for EOL.
• Fixed the images path from being set to the Spine installation folder when saving a project for the first time or with Save As.
• Fixed crash opening some very old projects.
• Fixed problem which hid actual crash cause.
• Direct is now the default tool on the Weights view.
• Adjusting bones in setup mode no longer adjusts the bind pose, preventing mesh corruption.
• Added an Update Bindings button on the Weights view to store the correct mesh vertices as the mesh's bind pose.

5 Oct 2017

• Fixed color dialog RGB values changing when losing focus.
• Fixed crash using zoom to fit or zoom to 100% when no skin is visible.
• Fixed crash importing some data files or opening some projects.
• Fixed vertex count on edit dialog when creating a new clipping attachment.
• Fixed transform tools when the bone closest to the root is fully controlled by a constraint.
• Fixed hotkeys.txt being kept open while Spine is running.
• Show icon at drag position for direct weight tool.

25 Sep 2017

• Fixed opening some extremely old projects.
• Changed how zoom to fit works when bones/images/other are hidden.
• Fixed zero scale on bones causing the Spine camera to fail.
• Fixed texture packer dialog not showing last output folder.
• Added Tree Up alt + up, Tree Down alt + down, Collapse alt + left, Expand alt + right.
• Fixed color keys with FF alpha changing to FE after project reload.
• Fixed Animations view not selecting the skeleton to match the viewport selection.
• Fixed tab traversal on some dialogs.
• Fixed undo not recording a state in rare cases.
• Fixed typing numbers on color dialog being entered backward.
• Fixed filtering artifacts on hotkey popups.

21 Sep 2017

• Prevented attachment names changing position when ctrl is pressed.
• Fixed crash selecting multiple different kinds of attachments when attachment names are enabled.
• Fixed skin visibility when duplicating a skeleton.
• Fixed skeleton tree expand state not being remembered when loading a project.
• When creating a new path and dragging the second handle, the first handle is adjusted to make for a reasonable path.
• Fixed skin alpha sorting after rename or Find and Replace.
• Fixed crash when right clicking to remove an entry from a file dialog.
• Fixed right clicking to remove an entry from a file dialog sometimes not working.
• Fixed saving a project during exit not closing Spine afterward.
• Fixed Set Parent for bones and slots not being able to choose targets in a different skeleton.
• Fixed crash using Set Parent for images (not attachments) and choosing a target in a different skeleton.
• Fixed images path when set to ".".
• Fixed image preview in the tree when the image is larger than the Spine window.
• Fixed crash when creating a bounding box or clipping attachment and New is clicked before any vertices are created.
• Fixed Import Project browse button showing favorites.
• Show launcher cancel button during update check.
• Fixed rotate and scale compensation when both Bone and Image compensation are enabled.
• Use file name for default skeleton name on Import Data dialog.
• Fixed zoom to fit after doing Import Data.
• Fixed New not clearing the vertices on the bounding box Edit dialog.
• Fixed animation names being shown in brackets during Import Project.
• Improved the resulting mesh position after using edit mesh Generate.
• Fixed selection group hotkeys not scrolling the tree to the selected nodes.
• Fixed Project Import animation when two placeholders in the same slot have attachments with the same name.
• Fixed meshes with Wireframe checked being drawn in mesh edit mode when deform is unchecked.
• Don't animate mesh rotate tool unless changing vertices.
• Fixed keeping attachment transform when moving a skin placeholder to a new bone.

6 Sep 2017

• More efficient editor rendering.
• Fixed exported data not having skeleton size in some cases.
• Improved error handling during exports.
• Export script improvements (next launcher update or at spine-scripts).
• Added AE and Inkscape export scripts to launcher download (next launcher update or at spine-scripts).
• Default bone name for new bone uses parent icon and parent name as prefix.
• On Windows, can drop a .json, .skel, .spine, or .atlas file on the Spine window.
• Hovering the visibility dot or key in the tree no longer temporarily shows the attachment.
• Use absolute path for images folder when doing Data Import into a new project.
• Fixed weights slider on the Weights view for Direct mode.

29 Jul 2017

• Fixed error opening some old projects.
• Added a new UI language: Italian
• Fixed Ghosting view alignment for non-English languages.
• Changed default prune value to 5.5.

7 Jul 2017

• Fixed clicking bone rotation checkbox when disabled in animate mode.
• Fixed button icon scaling at small and medium font sizes.
• Fixed minimum height for Timeline and Playback views.
• Added skel.bytes extension to Import Data.
• Fixed invalid project state in some cases from dragging across skeletons.
• Better error messages are logged for WAV files.
• Fixed tree not scrolling all the way down when the project has many skeletons.
• Fixed file dialogs not remembering network paths.

23 Jun 2017

• Fixed Preview crashes.
• Fixed image file used icons after dragging into viewport.
• Fixed dragging image file when toolbar is next to the tree.
• Show mouse over for region attachments in animate mode.
• Fixed crash dragging vertex in mesh edit mode.

21 Jun 2017

• Fixed texture unpacker dialog.
• Fixed crash right clicking a Preview track button before an animation is selected.
• Fixed crash moving path position in animate mode.

19 Jun 2017

• Fixed right click delete of first item on export file dialog not deleting.
• Fixed adding a new key preventing existing curves from being applied.
• Right click Preview track buttons to toggle the last played animation.

19 Jun 2017

• Better weight colors.
• Fixed Visibility hotkey for bones.
• Fixed Set Parent hotkey for path and point attachments.
• Fixed crash creating clipping attachment with Preview open.
• Fixed undo allowing a bounding box or path to have zero vertices.
• Fixed crash dragging a slot with a path to two different bones.
• Fixed point attachments not showing their name when under a skin placeholder.

17 Jun 2017

• Fixed viewport non-linear filtering.
• Launcher updated.

17 Jun 2017

• Slot color dialog and Slot Color view apply auto key has the color is changed, to better work with Preview.
• Fixed Auto weighting when a linked mesh's vertices are selected.
• Added Limit memory texture packer setting.
• Can now select any number of bones, click Bind on the Weights view, then choose a mesh, bounding box, path, or clipping attachment.
• Focusing a text field no longer prevents ctrl + ? hotkeys.
• Added a vertical line to denote the original start/end when using key Offset.
• Added Current skin scope to Find and Replace.
• Removed square brackets from bone names in bone select boxes.
• Added Cancel button to export progress dialog.
• Fixed difficulty selecting bones with a pen while holding ctrl (cmd on Mac).
• Edit button to choose new constrained bones and target for transform, path, and IK constraints.
• Show linear line on Graph.
• Added a progress bar to texture packing.

14 Jun 2017

• Fixed images showing "loading" placeholder during key Offset.
• Don't show parent bone arrows for hidden bones.
• Improved line rendering.
• Better arrow head scaling.
• Colored track button when playing an animation on that track in Preview.
• Preview tooltips.
• Fixed minimizing a view with more than one tab.

13 Jun 2017

• Optimizations for projects with many Bezier keys.
• Fixed file dialog not opening in some cases.
• Fixed Find and Replace not finding the right object types.
• Added clipping attachments to Find and Replace.
• Fixed ctrl exiting New clipping attachment mode.
• Allow resizing warning dialogs.
• Fix projects on load that have attachments in a skin that has been deleted.

12 Jun 2017

• Fixed hotkeys on OS X.

12 Jun 2017

• Fixed Show All Bones/Slots hotkey not updating the tree.
• Fixed misaligned icons on minimized view buttons.
• ctrl + alt + click removes a vertex from soft selection.
• ctrl + alt + drag removes vertices from soft selection with box selection.
• Added Hull vertices checkbox to Mesh Tools view.
• Added First option to the Find and Replace dialog.
• Fixed slot blend mode being changed when multiple slots are selected.
• Loop, mix, and alpha are stored per Preview track.
• Fixed crash when adding a key to new animation with Preview open.

12 Jun 2017

• Fixed crash opening file dialog.
• Fixed missing and loading placeholder images not using the right texture filtering.
• Fixed maximize/fullscreen size when using multiple monitors.
• New hotkey Show All Bones/Slots, defaults to ctrl + H (cmd + H on Mac).
• Fixed crash deleting slots/bones/etc with Preview open.
• Warning if exporting JSON/binary and creating an atlas under a skeleton image folder.
• Warning on export that attachment image file is missing if it has different case on Windows.
• Fixed Preview crossfading on track 0 when the second animation doesn't key a value on frame 0.

11 Jun 2017

• Import Project file dialog shows recently opened project files.
• Separate favorite and browse dialog buttons.
• Fixed Wacom modifier key events.
• Optimizations for projects with many attachments (75,000+).
• Fixed Create tool being unable to drag the new bone the first time.
• Fixed selection groups containing a slot from selecting the parent bone in the tree.
• Added -m / --clean CLI option to perform animation clean up (requires 3.6.25+ launcher).
• Fixed OS file dialog not showing in correct directory.
• Fixed project undo state after deleting entry from file dialog.
• Fixed dragging a bone and descendants to another skeleton.
• Fixed crash editing a mesh while using Preview.
• Fixed key Adjust so it still works when Auto Key is off.
• Fixed Preview not seeing a longer or shorter animation.
• Fixed directory appearing in files list on file dialog.
• File dialog no longer shows entries when the root of a path (usually the drive) does not exists, even when a path isn't required to exist.
• Export dialog shows file extension that will be added when one is not specified.
• FPS now shows "--" until the FPS is ready.
• Added button in dopesheet to show/hide Graph view. If Graph is a tab, the active tab is toggled instead of hiding the view.
• Key Offset when the first and last keys are not the same value is disallowed.
• Fixed events being triggered incorrectly when loop start/end was used.
• Fixed curves when using Key Offset.
• Fixed orange frame number in timeline when dragging < frame 0.

5 Jun 2017

• When a new animation is chosen in the Preview view, immediately load images for attachments shown in the animation.
• Press spacebar or alt+B on any file dialog to browse.
• Fixed ghosting affecting Preview view skeleton color.
• Added Next Skin and Previous Skin hotkeys (default: , and . keys).
• Improved Next Animation and Previous Animation hotkeys for projects with multiple skeletons.
• Fixed Preview and Animation views' skeleton select box.
• Fixed Preview collapse button.

3 Jun 2017

• Fixed dopesheet vertical scrollbar width.
• Preview view improvements and bug fixes.

1 Jun 2017

• Added Preview view for playing back animations with mixing inside Spine, similar to Skeleton Viewer.
• Fixed dragging image files to a slot.
• Fixed path constraint position when dragging handle along the path.
• New hotkey, Main Menu: alt+F. Can be followed by a letter, O for Open Project, S for Save Project, etc.
• Linked mesh properties now show source mesh skin, if any, and clicking the source mesh makes the skin active so the source mesh can be selected.
• Restrict Timeline view height so it doesn't look broken.

29 May 2017

• Fixed attachments abandoned in old skin when a bone is moved to a different skeleton.
• Allow pasting a file as a path into text boxes.
• Pasting a file to a file dialog will choose that file.
• Right click to remove a path from a file dialog.
• Fixed file dialog when UI animations are disabled.
• Fixed bone selection after dragging a bone to a different skeleton.

28 May 2017

• Fixed images not loading for attachments shown mid animation.
• Fixed crashes creating new attachments.
• Fixed attachment not showing when creating a new slot + attachment at the same time.

28 May 2017

• Bones, slots, and attachments can be dragged to a different skeleton.
• Duplicate now prompts to also duplicate keys for bones, slots, attachments, and events.
• Fixed polygon compensation when moving a bone that is a child of a bone that is constrained.
• Favorite projects are no longer listed first on Recent Projects menu.
• Fixed graph line size.
• Pressing enter on a file dialog chooses the most recent. If filter text is entered, it chooses the first entry.
• Fixed losing attachment visibility when undoing moving an attachment to a different slot.
• Fixed Link sliders for transform constraint being disabled in animate mode.
• Added hotkeys Auto Scroll (equivalent to tree button) and Scroll To Selected (for when auto scroll is off).
• Fixed vertices not being updated in edit mode if the attachment isn't visible.
• Fixed some problems with undoing changes to keys.
• Fixed changing key curve type in graph not having an affect.
• Changing beta setting prompts restart.
• Allow dragging multiple attachments with different types at the same time.
• Fixed duplicating a bone or slot that has linked meshes.
• Attachments automatically renamed by moving linked meshes to another slot now have their path set so the image can still be found.
• Fixed dragging linked mesh on to source mesh when source mesh is under a skin placeholder.
• Fixed draw order not showing correctly in the tree.
• More detailed log messages when projects load with warnings.
• Pressing ctrl (cmd on Mac) over UI widgets no longer triggers a mouse over in the viewport.
• Fixed crash showing main menu regarding the recent projects submenu.
• Fixed Save As not working the first time.
• Fixed loading color keys in very old projects.
• Fixed crash using undo when hovering tree node.

13 May 2017

• Fixed keying issues.

12 May 2017

• Huge performance improvements for projects with many attachments.
• Loading dialog when opening project via Recent Projects menu.
• Fixed crash keying an event.
• Fixed not being able to selected vertices in mesh edit mode after the Spine window forcibly loses focus.
• Draw deformed boundary lines for multiple vertices in mesh edit mode.
• Improved deformed mesh edit mode when dragging multiple vertices and hitting the boundary lines.
• Animated returning mesh vertex rotate tool icon to 0 degrees.
• Fixed scale tool icon not changing size for mesh vertices.
• Fixed selecting a second mesh when box selecting vertices.
• Fixed Hide Selection hotkey to hide vertices during manipulation.
• Fixed crash during project Save As.
• Fixed rendering while project loads after choosing a file from the file dialog when Spine is maximized or fullscreen.
• Fixed default interface scale on high DPI (2x+) displays.

22 Apr 2017

• Added loop selection: hold shift when clicking an edge.
• Tree highlighting for linked meshes.
• Faster AVI RAW and MOV RAW video export.
• Improved open dialog paths.
• Remember selected bones in Weights view.
• 4K support for Skeleton Viewer.
• Convert paths stored in project file to the new open dialog.
• Wider dialog text boxes.
• Icon for main menu recent projects list.
• Increased item spacing for main menu and select boxes.
• Rounded edges and blue down state for select box selection.
• Fixed clipping ghosts when ghosting only selected attachments.
• Metrics view shows clipping metrics.
• Fixed color keys when opening projects from before 3.6.

19 Apr 2017

• Added weight painting.
• Significant performance improvements, especially with mesh manipulation and undo/redo.
• Fixed video with alpha export, supported codecs are AVI RAW, MOV RAW, MOV PNG, and MOV Animation.
• Fixed slot color with zero alpha affecting clipping.
• Don't fill background when clipping is selected and Others are hidden.
• Icon for clipping end slot Set button.
• When creating a slot for clipping, put it at the bottom of the draw order.
• Clipping end slot defaults to same clipping attachment's slot (which clips until end of draw order).
• Colored background in draw order to denote clipping.
• New file choosing dialogs and smart logic.
• Save Project As updates the skeleton image paths relative to the new project file location.
• Added Wireframe checkbox to meshes to always show the vertices and edges.
• Prevent flashing of Pies checkbox and bone dimming when dragging with Weights tool.
• Selected checkbox on Weights view is now useful even when no vertices are selected.
• Selected checkbox only shows pies for selected bones and vertices.
• Added "select vertices" button to bones list on Weights view.
• Faster auto weight calculation.
• Preserve background color alpha when choosing image export formats.

8 Apr 2017

• Fixed tree filter for attachments.
• Fixed clicking slot label when bones are hidden in tree.
• Fixed clipping end slot.

8 Apr 2017

• Added clipping attachments for polygonal clipping areas.
• Fixed tint black checkbox when multiple slots are selected.
• Fixed tint black when duplicating a slot.
• Update path constraint properties after dragging path position in viewport.
• Fixed confusing UI state when playing an animation with no keys or all keys on frame zero.
• Added separator between skeletons in the tree.
• Fixed default UI scale for 4K (2x scale).
• Fixed scrolling to selected tree node in some situations.
• Allow selecting region attachments in the tree in animate mode by clicking them in the viewport.
• Fixed ghosting Images setting.
• Fixed tint black with ghosting.
• Remember tint black setting when disabling tint black.
• Fixed ghosting showing attachments hidden in setup pose.
• Fixed texture unpacker dialog size.
• Fixed dopesheet losing selection when the active tool is changed.
• Fixed undo for changing attachment colors.
• Fixed auto weight crash for Mac and Linux.

26 Mar 2017

• Fixed images not being packed during data export if their name or path has a file extension.
• Fixed Import Project, Animation when the source project has a region and the importing project has mesh deform keys.
• Fixed crash when editing bounding boxes in animate mode.

21 Mar 2017

• More audio playback improvements. New play.jar uploaded.
• Much higher quality font rendering when using Interface scale.
• Added Interface linear filtering setting to disable linear filtering when using interface scale.
• Better initial settings for 4K displays.
• Texture packer whitespace stripping now leaves 1px of whitespace on image edges that were stripped when duplicate padding is used.
• Added back Reuse instance setting for Windows and Linux.
• Hid Keyboard type for Windows and Linux.
• Disabled changing the Spine version in the trial.
• Fixed manipulating bones in setup mode for linked, weighted meshes.

16 Mar 2017

• Improved Scale tool when dragging to adjust both axes and one is negative.
• Fixed non-shadowed bitmap font render position.
• Added Spine version to export dialog.
• Duplicating a slot now changes viewport selection to new attachment.
• Audio server improvements, loop audio when looping animation.

6 Mar 2017

• Don't draw paths in outline view.
• Updated fonts in launcher.
• Added language: Traditional Chinese. Requires new launcher.
• Fixed being able to undo changing the background color in the Settings dialog.

28 Feb 2017

• Numerous fixes from 3.5.4X.

23 Feb 2017

• Added point type to Find and Replace.
• Turkish translations updated.
• Fixed Auto mesh weighting for a coarse mesh with very small bones.
• Don't write bone rotations outside the -180 to 180 range in export data.
• Thicker graph lines.
• Fixes from 3.5 releases.
• Better Bone -> New constraint UI.
• Auto weights now only modifies weights of selected bones and vertices. Select none for all.

21 Dec 2016

• Added local and relative options to transform constraints.
• Added Turkish language translations.

12 Dec 2016

• Graph view now hides text on buttons and labels when resized smaller to reduce its minimum width.
• Holding shift when creating a new bone via hotkey or the tree creates the new bone as a sibling of the selected bone.
• Removed ability to create a Skeleton Attachment, which is a WIP and not yet ready.

10 Dec 2016

• Fixed tree selection order when shift clicked from bottom to top.
• Fixed image compensation for child meshes.

7 Dec 2016

• Fixed New select box being disabled when selecting multiple bones.
• Mouse over glow for weight pies.
• Changed how meshes, paths, and bounding boxes are adjusted and how image compensation is applied to them.
• Fixed shear compensation for meshes.
• Removed shear compensation for bones, as it didn't work right and doesn't make sense.
• Fixed mouse cursor on text fields in dialogs.

6 Dec 2016

• Added bone Split button.
• Better tree node expansion when doing box select.
• Fixed selected tree node being scrolled under the tree properties.
• Added Select checkbox to bones.
• Fixed exporting attachments with file extension in their names.
• Hiding a bone in the tree no longer hides dopesheet rows.
• The events node and individual events in the tree no longer hide dopesheet rows.
• Hiding events using the dopesheet filter now also hides the events in the viewport, above the skeleton.
• Added texture unpacking to CLI.
• Export warnings when a slot is hidden.
• Export warnings when a project contains a mesh and Create atlas is checked.
• Better warning messages for multi-skeleton projects.

2 Dec 2016

• Added Tint black for slots. Requires special runtime support.
• Added point attachments.
• When setting a key, use the constrained local transform if the property being keyed is controlled 100% by a constraint.
• Tooltips move with the mouse and are shown above the mouse so they can be more easily read.
• Buttons on right edge of tree show a tooltip with the name of the constraint.
• Items related to the selected item in the tree are highlighted.
• Related items are highlighted when buttons on right edge of tree are hovered.
• Show tooltip animation duration reduced (hover time unchanged).
• Draw arrows between bones when hovering buttons on right edge of tree.
• Improved arrow rendering.
• High quality antialiased line rendering, even without MSAA.
• Mouse over with Create tool shows only arrows up hierarchy to the root bone.