Unreleased

• Fixed not recomputing triangulation when an attachment has bad triangles when run from the CLI.
• Fix triangulation when importing data into a project and when exporting JSON or binary data.

20 Jun 2025

• Fixed slider "to" minimum value not being applied.
• Fixed JSON export for constraint timelines.
• Fixed data exports for transform constraint timelines when the constraint has no property mappings.

6 Jun 2025

• Fixed physics timelines in binary exports.
• Fixed physics when playback interpolation is disabled.

29 May 2025

• Fixed invalid slider references after undo.
• Fixed missing undo states.

27 May 2025

• Improved icons.
• Metrics view shows the number of animations being applied.
• Import PSD: add warnings checkbox, fixed sync adding a PSD entry.
• Fixed undo when dragging or scrolling numeric text fields.
• Fixed red rectangle at tree bottom on mouse down.
• Fixed undo for event properties.

26 May 2025

• Fixed some tree annotations showing as disabled.
• Fixed opening some projects using sliders.
• Fixed some actions being combined with the previous undo state.

25 May 2025

• Fixed crashes from missing start of new undo state.
• Fixed crash adding a mesh vertex when a slider is applying a deform.

24 May 2025

• Added PSD support to the Images node.
• Fixed crashes using deform and attachment keys with a slider.
• Fixed audio position not changing when clicking a key during playback.
• Fixed disabling tint black.
• Fixed undo states added when clicking a key.
• Fixed physics constraints with 0 mix in setup mode.
• Fixed loading projects that use sliders and sequence timelines.
• Fixed timeline position changing viewport selection when a bone is hidden.

21 May 2025

• Added food-app example project.
• Import PSD: Fixed the scale tag being ignored when the merge tag is on a group.
• Fixed data import for tint black.
• Fixed binary export for IK and path constraints.
• Fixed example overwrite warning for ESS.
• Fixed crashes duplicating an animation, deleting slots, and taking other actions.

20 May 2025

• Constraint sort provides the same order each time.
• Added hotkeys to select and create sliders.
• Improved constraint icons.
• Fixed crashes when duplicating and taking other actions.

18 May 2025

• Fixed slider crash deleting a bone.
• Fixed constraint order for physics.
• Don't change curve to linear when pasting or drag-copying keys with the same value as the previous key.

18 May 2025

• Improved constraint order sorting when creating a new constraint.
• Resetting constraint order no longer removes folders.
• Allow resetting constraint order on individual folders.
• Hide transform constraint timelines for properties that aren't mapped.
• Improved constraint icons.
• Unmap unused transform constraint properties from old projects.
• Select All (ctrl+A) now expands the selection more and more each time it is pressed for bones and vertices.
• Select All (ctrl+A) works after clicking the tree to select nodes of the same type.
• Allow edit mesh hotkeys to override other hotkeys.
• Sliders with 0 mix don't affect editor performance.
• Fixed new slider from a folder.
• Fixed slider when mix is 1 in some cases.
• Fixed crash when box selecting meshes.
• Fixed undo after editing sequence FPS.
• Fixed 4.2 JSON scrambled timelines.

15 May 2025

• Mark tree annotation icons for constraints that have 0 mix.
• Highlight all tree annotation icons for the same constraint on hover.
• Touch down color in tree.
• Fixed exporting older JSON having very small fractional values.
• Fixed crash deleting a bone or constraint used in a slider animation.
• Fixed some timelines not applying additively.

13 May 2025

• Greatly improved physics smoothness and responsiveness.
• Fixed physics limit when playback speed is not 100%.
• Fixed PSD layer export with titles.
• Fixed sliders for Import Project.

13 May 2025

• Remove inherit timelines when exporting 4.1 JSON.
• Fixed path constraint discontinuity with large or negative spacing.
• Fixed crash mapping transform constraint scale/shear.
• Fixed offset for transform constraint rotation visualization.
• Fixed zoom to fit for some projects.
• Fixed deleting a skin with no attachments.

12 May 2025

• Added rotation visualization for transform constraint clamp and slider when not looping.
• Added button to Ghosting view to toggle all ghosting.
• Added image/video export setting to show title text.
• Added weights strength +/-1 hotkeys.
• Box scaling keys preserves non-whole number keys.
• Allow deleting skin placeholders with attachments when deleting a skin.
• Allow edit mesh hotkeys in animate mode.
• Improved timeline ticks to better align with the FPS.
• Fixed locked weight bones becoming unlocked when dragging an internal edge in edit mesh mode.
• Fixed transform constraint offsets when exporting 4.2 JSON.
• Fixed crash with key adjust for separate Y timelines.
• Fixed weight bone order after reloading a project.
• Fixed rapidly clicking in the tree not updating some views.
• Fixed not being able to see bone weights for the selected tree item.
• Fixed undo after deleting or duplicating an animation.
• Fixed multi select changing transform constraint checkboxes.
• Fixed autokey sometimes setting color keys when it shouldn't.
• Import PSD: Fixed failure when output folder doesn't exist.

10 May 2025

• Fixed constraint order and timelines when exporting 4.2 JSON.
• Fixed sliders without a bone being delete when any bone parent is changed.
• Fixed key adjust for separate translate X and Y keys.
• Fixed crash when animation clean up has no keys to delete.
• Fixed crash when deleting some items.

9 May 2025

• Added translation visualization for transform constraint clamp and slider when not looping.
• Added Match button for transform constraint properties.
• Added constrained local axes.
• Transform constraint Match buttons now always uses unconstrained pose, as if the constraint mixes were 0.
• Improved physics smoothness when Deterministic is checked.
• Runtime improvements to further reduce bone transform count.
• Set slider frame max when choosing a new animation.
• Show slider frame when using a bone property.
• Added tree annotation for a slider's bone.
• Icons for tree property titles.
• Alternate animation icon when a slider uses it.
• Constraint name uniqueness is per constraint type.
• Warnings for preview to reduce slider confusion.
• Fixed deform timelines with sliders.
• Fixed deleting a slider's bone.
• Fixed preview and ghosting with slider bones.
• Fixed crash deleting bones.
• Fixed copy/paste for sliders.
• Fixed some timelines not being duplicated when a constraint is duplicated.
• Fixed skin warnings for sliders.
• Fixed pick modes not dimming tree nodes.
• Fixed saving path constraints as 4.2 JSON.

30 Apr 2025

• Allow creating a slider from a bone.
• Fixed slots not having key button.
• Fixed slider frame not going past 100.
• Fixed import data for transform constraints.
• Fixed duplicating a skeleton with sliders.
• Fixed crash clicking empty slider bone label.

30 Apr 2025

• Added mapping a bone property to slider frame.
• Multiple selection in the tree now avoids folders.
• The default physics FPS changed from 60 to 20.
• Fixed bone compensation.
• Bone tools no longer jump around if manipulating the bone causes a constraint to move the bone.
• Improved icons.
• Recover if color management fails to read the ICC profile.
• Fixed curves view buttons disappearing at small view sizes.
• Fixed color timelines showing white.
• Show sliders under skins.

27 Apr 2025

• Fixed slider duplicate, project import, deleting the slider animation, duplicating a skin with a slider, text field dragging, dopesheet icons.
• Fixed constraints when exporting JSON for 4.2.

27 Apr 2025

• Added slider constraints.
• Much smoother physics when the render rate is higher than the update rate.
• Bone transform count reduced by 30%+ for many projects.
• Allow transform constraint source bone to be a target bone.
• Default transform constraint mixes to 100%.
• Metrics view shows constraints with 0 mix as inactive.
• Show slider animation metrics in setup mode.
• Added 8 Animating with Spine example projects.
• Fixed clipping ending and starting on the same slot.
• Improved storing constraint order in JSON and binary data.
• Fixed text boxes showing incorrect small values.
• Improved dragging past the end of sliders.
• Improved font kerning for some UI scales.
• Don't crash skeleton viewer if update fails.
• Launcher 4.3.01: Fixed Ukrainian translations not appearing. Improved font rendering.

10 Apr 2025

• Brought back transform constraint offsets.
• Fixed skeleton reference scale setting many undo states.

9 Apr 2025

• Use 0-360 rotation for transform constraint Match when Local is unchecked.
• MSAA now works when color management is enabled.
• Improved performance when manipulating bones with auto key on.
• Fixed version in JSON export for older versions.
• Fixed JSON export from 4.3 -> 4.2.
• Import PSD: ignore adjustment layers applied to the whole canvas.

6 Apr 2025

• Remember collapsed state in animate mode for some properties.
• Fixed broken rendering on high DPI displays when color management is enabled.

4 Apr 2025

• Allow setting both transform constraint offset X and Y if either translate X or Y is mapped.
• Dim transform constraint numbers where there is no mapping.
• Fixed transform constraint fractions on source max values.

3 Apr 2025

• Fixed tabbing transform mixing in animate mode.
• Fixed tabbing transform constraint fields.
• Don't show whole numbers in text fields when there is a small fraction.

2 Apr 2025

• Transform constraints can map a property to multiple properties of different types, from local to world or world to local, and can clamp values to a range.
• Fixed rare crash using undo after mesh trace.
• Added --extra-project-checks to perform many more checks that may fix a project that won't open normally.

29 Mar 2025

• Fixed crash using favor tool.
• Fixed crash when file dialog completes very quickly.
• Fixed mesh trace dialog being translucent when trace hotkey is used.
• Allow enter and escape on mesh trace dialog.
• Allow escape on mesh edit dialog.
• PSD icon for image files that came from Import PSD.
• Viewport zoom to fit and zoom reset fix the camera if in a bad state.
• Improved line rendering alignment.

26 Mar 2025

• Import PSD: Added option to delete previously imported PNG files to avoid orphaned files.
• Fixed font related crashes.
• Improved Ukrainian translations and font rendering.
• Fixed crash using weld hotkeys with no mesh selected.

24 Mar 2025

• Fixed scrambled bitmap title fonts.
• Text and icon layout improvements.

21 Mar 2025

• Fixed blurry fonts.
• Fixed revaluing when handles are vertical.
• Fixed crashes when selecting multiple meshes.

21 Mar 2025

• Greatly improved text rendering when UI scale is not 100% or 200%.
• Fixed favor tool changing curve type.
• Import PSD: smart objects with the same transform will output exactly the same image, so texture packing alias can de-duplicate.

20 Mar 2025

• Fixed tree expand icon hover state.
• Fixed welding to an attachment that is not visible.
• Fixed sequence path text box position.
• Fixed graph lines being off by 1 pixel in some cases.
• Reduced blurry rendering when UI scale is not 100% or 200%.

19 Mar 2025

• Fixed clipping not ending in some cases.

17 Mar 2025

• Warn instead of crashing when rendering fails due to too many vertices.
• Fixed crash setting Bezier curve type in some cases.

16 Mar 2025

• Greatly improved curve handle adjustment whenever key values are changed.
• Texture packer Fast packs more tightly and is much faster (8X+).
• Improved rendering performance when an attachment is fully inside a clipping attachment.
• Allow editor frame rates up to 1000Hz.
• Fixed showing attachments for inactive bones.
• Warning icon for a mesh under a bone in a skin that isn't in the mesh's skin.
• Added Key Constrained hotkey to key constrained values, allowing manual baking of physics.
• Added toast messages for features enabled by hotkey when it isn't clear if they are on/off.
• Automatic Bezier keys are flat at the start/end instead of pointing at the adjacent key.
• Allow key handles to be separated even when there isn't yet a curve on one side.
• Show name on curve hover.
• Improved emphasis of selected curves in the graph and curves views.
• Darken graph context curve and set context by hovering a curve segment.
• Update main toolbar when using the favor tool.
• Adjust now disables Auto Key.
• Fixed selecting keys for some IK constraint timelines.
• Fixed snapping keys to curves keyed together.
• Draw origin mark when moving graph keys.
• Skeleton properties can be set when multiple are selected.
• Fixed zoom when dragging one axis changing to both axes.
• Allow dropping constraints in and not in a skin on that skin.
• Fixed dropping multiple constraints sometimes having the wrong position.
• Generate and other actions that remove any deform keep the mesh's scale.
• Fixed incorrect preview mix after opening a project.
• Added button to select a slot folder under a bone or the draw order.
• Added pin button for skin folders in skins view.
• Fixed export crop not being recomputed after being unchecked.
• Added color for folders.
• Fixed importing duplicate names with Import Data.
• Added hotkeys for each export type.
• Added browse button to region and mesh attachment image path.
• Fixed unpacking a texture atlas with WEBP images.
• Fixed export range values not being shown when a project is loaded.
• Preserve trailing whitespace for sequence names and paths.
• Toolbar position can be different for setup and animate modes.
• Improved letter suffix when splitting more than 26 bones.
• Bone split shows a preview and has a percentage setting.

24 May 2025

• Fixed curves view buttons disappearing at small view sizes.

21 May 2025

• Fixed physics constraints with 0 mix in setup mode.

2 Mar 2025

• Default physics warm up to 1 for exports.
• Fixed double click in dopesheet not happening sometimes.
• Fixed files not appearing under Images when a folder is renamed.
• Fixed invalid key handle after turning off separate in some cases.
• Fixed crash moving attachment to bone in another skeleton.
• Fixed name uniqueness when dropping an attachment on another attachment.
• Show all slots on the Parent dialog for an attachment, even when a slot has an attachment with the same name.

25 Jan 2025

• Removed 127 audio event limit.
• Default GIF export speed to 1.
• Fixed not being able to add a vertex on the mesh trace dialog (useful with Refine).
• Improved Refine on the mesh trace dialog.
• Removed double click to delete a vertex on the mesh trace dialog.
• Fixed not being able to move vertices in edit mesh mode in some cases.
• Import PSD: Clipping masks no longer merge with the group below, they are applied individually to each layer/group below.
• Launcher 4.2.19: fixed running multiple instances on Mac, warn if running Intel Spine on an Apple Silicon Mac.

13 Dec 2024

• Fixed some CLI commands when a project's image path cannot be resolved.
• Disallow slash in names when duplicating a skin.
• Disallow slash in names when creating a constraint.
• Fixed CLI export hang when all skeletons have export disabled.
• Changed sequence timeline to match attachment timeline behavior.
• Minor editor rendering performance improvements.
• Use texture packer alpha threshold when deciding if images are identical for alias.
• Fixed preview using incorrect mix.
• PSD import: Fixed [pad] tag on groups not influencing [merge] groups.

5 Nov 2024

• Fixed Layered when duplicating an animation.
• Fixed animation clean up deleting keys on export when Layered is checked.
• Fixed sequence FPS auto key.
• Fixed deterministic physics not being affect by deform keys.
• Allow unlocking a bone in the weights view while the bone is selected.
• Fixed losing clipping annotations in the draw order when the clipping attachment is under a skin placeholder.
• Fixed color keys being set when adjusting alpha for multiple slots at once.
• Fixed zero scale breaking the viewport camera in some cases.

29 Aug 2024

• Fixed playback freezing after disconnecting an audio device.
• Fixed audio pop when playback is started on OS X.
• Fixed Last Tool hotkey when it uses ctrl.
• Fixed Last Tool and RMB forgetting the last tool.
• When dragging a new vertex in edit mesh mode, pressing shift while over a snap point disables snapping.

5 Aug 2024

• Fixed polygon packing.

4 Aug 2024

• Added --export-all to export all skeletons, even if Export is unchecked, for both JSON and binary exports.
• Fixed some cmd hotkeys not working on Mac.
• Fixed --activated.
• Changing physics constraint FPS resets the constraint to clear any accumulated time.
• Allow playback of non-looping animation with no keys.
• Changed event float values to 5 decimal places.
• Don't show lines between inherit keys in the dopesheet.
• Fixed crash creating an attachment for an inactive bone.
• Disallow some New... items for inactive bones.
• Fixed crashes from use of full width digits.
• Import PSD: added [pad:0] to control padding per layer/group, fixed empty slot names.

28 Jun 2024

• Added matching folders to find and replace.
• Allow creating new animations, skins, and events in a folder in animate mode.
• Allow creating a slot folder when a slot is selected under a bone.
• Fixed default names not taking folders into account when duplicating various items.
• Fade point attachments on project load.
• Import PSD: [slots] and [bones] only applies to immediate children, added [slots], [!slots], [!bones], and [pad:0] tags.
• Launcher 4.2.18: Fixed hotkeys using opt on Mac.

20 Jun 2024

• Fixed double click not deselecting bones.

19 Jun 2024

• Fixed ctrl click not selecting multiple bones.

19 Jun 2024

• Default auto key to on.
• Fixed calculating mesh center in some cases.
• Improved clipping stability for collinear points.
• Fixed losing vertex selection when dragging a short distance.
• Fixed 100% zoom being off by half a pixel, causing blurriness.
• Don't set the viewport selection from the tree selection when changing between setup/animate mode.
• Fixed crash with New Folder hotkey.
• Fixed favor mode and view focus hotkeys.
• Fixed mesh soft selection when using the Direct weight tool.
• Fixed update bindings using the previous undo state.
• Fixed mesh compensation in animate mode appearing to apply to pinned skins.
• Launcher 4.2.18: Improved CLI parameter error messages.

3 Jun 2024

• Fixed dragging a source or linked mesh to a different skeleton.
• Fixed loading projects where a source mesh is not found.
• Improved dragging multiple meshes to a bone when one of the meshes is a linked mesh.
• Import PSD: fixed parsing for image editors that set group end markers to hidden.

31 May 2024

• Data import checks for blank names.
• Fixed blurry icons at UI scales other than 100% and 200%.
• Fixed regions and meshes getting a blank name when Sequence is checked.
• Launcher 4.2.17: fixes crash at start on Mac when a controller or similar device is connected.

29 May 2024

• Fixed crash using undo after checking mesh on a region attachment with a sequence.

28 May 2024

• Reset skeleton reference scale to 100 if <= 0.01 for older projects.
• Fixed crash with find and replace unused.
• Fixed find and replace unused for physics global timelines.
• Fixed opening projects with an invalid sequence timeline.
• Import PSD: [path:value*] pattern is applied to layers having no path value, using the layer name before any [name:value*] patterns.
• Launcher 4.2.16: fixed race condition when running multiple Spine instances.

27 May 2024

• Added new bone icons: drop, leaf, lightning.
• Fixed skeleton reference scale being set to 0.01 after undo.
• Warning skeleton icon for 0.01 reference scale.
• Fixed frame offset not showing during key offset.

25 May 2024

• Added tree setting to not show slot paths.
• Show slot paths in gray.
• Show the current frame number when dragging.
• Show orange lines and the start and end frames of a drag.
• Improved colored bone selection icon.
• Allow bone compensation with the pose tool when there's only one bone.
• Prevent forward slash in constraint names.
• Don't key sequence timelines with favor tool.
• Fixed sequence keys being deleted when changing attachment slot.
• Fixed placeholder delete dialog not showing when delete confirmations are turned off.
• Fixed slot name changing when dropped across skeletons.
• Fixed crash with very high sequence numbers.
• Import PSD: added [path:value*] pattern and [!path], allow blank names when there is a [name:value*] pattern.

21 May 2024

• Added a button to select all bones of the same color.
• Added a Select - Colored Bones hotkey.
• Added tree option to show slot folders under bones.
• Automatically set the attachment name/path and sequence settings when checking or unchecking Sequence.
• Apply compensation when using the Pose tool for rotation or pasting bone transforms.
• Improved Parent, Child, Next Sibling, and Previous Sibling hotkeys to work with multiple selection.
• Improved sorting in the tree for slots with folders.
• Tree search finds text in slot folder paths.
• Tree auto scroll causes selection to match viewport when tree filters are toggled.
• Fixed looping in reverse when playback interpolation is disabled.
• Fixed 1 frame delay updating skins view after changing a folder parent.
• Fixed crash opening a project while a file dialog is open.
• Don't apply bone compensation for the pose tool.
• Pause physics when dragging a tool with compensation.
• Import PSD: added [bones] tag, [name] patterns apply to all layers and groups, added [slot:name*] and [bone:name*] patterns, stop a pattern with [!name], [!bone], or [!slot], fixed PSD file lock when cancelling overwrite.

16 May 2024

• Fixed reading older projects.
• Improved choosing a unique slot name.
• Fixed pixel compensation when moving a slot to a new bone.
• Don't wrap names on tree annotation tooltips.
• Fixed animations and skins views not updating when folders are moved.
• Fixed the find and replace dialog not having matches after showing an error dialog.

16 May 2024

• Changed slot name uniqueness to the entire path rather than just the name. This affects findSlot at runtime.
• Changed Pixels compensation and the Highlight Pixels hotkey to use the lower left corner of pixels rather than the center.
• Added visibility dot to draw order and events. When unchecked, the draw order timeline is only shown when nothing or a slot is selected.
• Added the number of skins to tree skin annotations.
• Limit number of tree annotations to 15.
• Improved scrolling to the selected tree node.
• Reduced memory usage when saving a project.
• Reduced project file sizes, especially for large projects.
• Fixed animation draw order after drag and drop of all slots in setup mode.
• Fixed Key Shown for physics mix keys.
• Fixed editing clipping, bounds, or a path when the attachment isn't visible.
• Fixed folder names not updating in animations and skins views after a rename.
• Disallow forward slash in slot and constraint names using find and replace.
• Numpad enter works like enter on all dialogs and text fields.
• Don't zoom after import into an existing project.
• Import PSD: allow [path] on groups, keep dialog open after an error, added Import PSD hotkey.

6 May 2024

• Fixed slots not showing a key button when the tree is filtered.
• Fixed draw order slots changing order during drag and drop when tree is filtered.

6 May 2024

• Fixed constraint select buttons appearing when they shouldn't.

4 May 2024

• Show bone select button on constraints.
• Show constraint select buttons on bones for each type of constraint.
• Show select button on bones or constraints when multiple are selected under a skin.
• Fixed memory leak from bone and constraint skins increasing when the tree is refreshed.
• Added hotkeys to select constraints for the selected bones.
• Wrap clipping property buttons.
• Portuguese translation improvements.
• When texture packing with Current project checked, find meshes using both relative and absolute paths.
• Launcher 4.2.14: Faster start up. Increased maximum possible memory usage.

1 May 2024

• Greatly reduced memory usage for large projects.
• Added animation count to metrics view.

1 May 2024

• Fixed race condition reading audio devices.

30 Apr 2024

• Fixed audio devices not appearing in audio view.
• Refresh audio device list when the select box is clicked.
• Show draw order timeline when a slot is selected in the tree.

29 Apr 2024

• Fixed crash dragging a slot in animate mode when bones are hidden in the tree.
• Fixed select box being cut off on export dialog for JSON and binary.
• Improved Rosetta error message during export.
• Fixed rare crash separating bone timelines.
• Import PSD: fixed [bone] position when a group has no immediate layer children.

29 Apr 2024

• Fixed long pauses on the export dialog for large projects when preview is closed.

28 Apr 2024

• Fixed crash long pressing in the tree.
• Fixed memory leak when unloading a project.

28 Apr 2024

• Don't include folder names in the names of new slots.
• Fixed dragging open button for recent projects menu getting stuck.
• Fixed background flash after project version save warning.
• Fixed physics constraint limit after import data.
• Removed OK button from overwrite dialog.
• Update animations and skins views after deleting a folder.
• Fixed Frames: Range not appear in image and video export.
• Added export preview Reset button, which uses a longer timeout.
• Improved the export dialog for large projects that can't be previewed.
• Fixed memory leak in some cases when loading a new project.
• Import PSD: Added [origin] tag.

21 Apr 2024

• Fixed Bezier IK constraint timelines.
• Fixed issues from auto backup saving during other operations.

21 Apr 2024

• Fixed binary export when a mesh has an internal vertex outside the hull.
• Data export warnings when a mesh has an internal vertex outside the hull.
• Fixed IK constraint timelines in binary exports.
• Fixed draw order in animate mode when bones are hidden.

19 Apr 2024

• Fixed skin constraints in JSON exports.

18 Apr 2024

• Fixed CLI export crash with animation clean up.
• Fixed loading some older projects.
• Fixed export binary extension defaulting to .json.

18 Apr 2024

• Fixed sequences in preview.
• Fixed resetting physics when multiple constraints are selected and simulate is deactivated.

17 Apr 2024

• Fixed clipping bounds for image and video exports.
• Import PSD: fixed bone tag on merge groups.

16 Apr 2024

• Improved weld toast messages.

15 Apr 2024

• Fixed crash hiding a constraint.
• Disable key buttons when a constraint is hidden.
• Fixed sequence images being reported as missing when exporting.

14 Apr 2024

• Improved project clean up when loading older projects.
• Improved selection after dragging image files.

11 Apr 2024

• Removed -180 to 180 degree limit on transform constraint rotation offset.
• Bone rotation in setup mode is no longer limited to 0-360.
• Fixed trailing 0 on fractional numbers.
• Fixed world rotation not changing when axes are changed.
• Faster CLI exports.
• Region sequences use the size of the setup frame.

11 Apr 2024

• Report byte offset when there's an error reading binary data.
• Fixed sequences in the dopesheet and graph showing one too many ticks for Once and Once reverse.
• Fixed sequence FPS showing many decimal places.
• Fixed region sequence attachments where frames have different sized images.
• Fixed image export causing sequences in the viewport to change/flicker.

9 Apr 2024

• Fixed CLI version check with -v/--version.
• Launcher 4.2.13: Fixed race condition when running multiple instances at once.

9 Apr 2024

• Select only rootmost tree nodes after duplicate.
• Fixed crash after duplicating a skeleton with nested skin folders.
• Show a max of 10 items in tooltip when dragging.
• Don't show drag tooltip when dragging image files into the viewport.
• Updated Spanish and Turkish translations.
• Import PSD: fixed linked meshes.

6 Apr 2024

• Fixed Windows input methods not working after opening a file dialog.
• Fixed transform constraint -100 mix still allowing the bone to be moved by the translate tool.
• Show up to 10 skin names in the tree annotation tooltip for skins.
• Import PSD: fixed parsing PSDs with no compression when a layer is below the canvas.
• Show full skin path under skin placeholders.

4 Apr 2024

• Enabled color management for Mac ARM when launcher is >= 4.2.11.
• Updated Ukrainian and Chinese (TC) translations.
• Improved overwrite dialog to show the file path.
• Import PSD: [trim:mask] works on groups.
• Fixed numeric textboxes not keeping values 0 or 1.
• Launcher 4.2.11: Fixed color management for Mac ARM.

2 Apr 2024

• Fixed weights not using the new bones when duplicating.

2 Apr 2024

• Tree visibility dots for constraints to turn them off without changing mixes.
• Don't wrap rotation and shear Y for a transform constraint when local is checked and relative is not.
• Allow adding/removing bones for transform and path constraints.

1 Apr 2024

• When duplicating, if constraints and all related bones are selected, the new constraints use the new bones.
• Fixed duplicating multiple constraints using multiple undo states.
• Prompt to duplicate constraint and attachment keys.
• Fixed path constraint position curves for negative values.
• Prompt to duplicate constraint bones and targets.
• Launcher 4.2.10: fixed bloom.

31 Mar 2024

• Updated viewport icons.
• Fixed incorrect rounding of numbers.
• Improved rendering efficiency and memory usage.
• Fixed mouse cursor flickering on Windows.
• Fixed views select box icon disappearing when disabled.
• Updated translations for Chinese, Portuguese, and French.
• Launcher 4.2.09: fixed mouse cursor flickering on Windows.

29 Mar 2024

• Added a slot selection button to attachments.
• Croatian, French, and Korean translations updated.
• Warning icon on export dialog when exporting JSON with a .skel extension or binary with a .json extension.
• Fixed import data for inherit timelines.
• Fixed missing atlas page entries when texture packing.
• Fixed keys being slightly off whole number frames after import data.
• Fixed jump after pasting keys.
• Fixed animation clean up for inherit timelines.
• Don't show constraint drag indicator in animate mode.
• Fixed draw order up/down slot icon not being shown in some cases.
• Fixed draw order folder up/down icons.
• Fixed incorrect draw order after drag and drop.
• Fixed animation clean up removing keys incorrectly when Layered is checked.
• Fixed import PSD using the wrong skeleton name.

27 Mar 2024

• Icon updates for 200% interface scale.
• Updated Japanese and Italian translations.
• Fixed hovering paths in edit mode.
• Remove duplicate attachments when loading old projects.
• Updated Celestial Circus example project.

27 Mar 2024

• Fixed crash selecting everything in a multi skeleton project with skins.

26 Mar 2024

• Fixed pasting weights when parent axes is selected.
• Fixed tree selection not changing viewport selection in some cases.

26 Mar 2024

• Fixed crashes when adjusting keys.
• Don't highlight hovered curve when a mouse button is pressed.

26 Mar 2024

• Apply auto Bezier to first/last keys when looping.
• Don't highlight hovered curve when a mouse button is pressed.

25 Mar 2024

• Fixed hang using separate for the first/last keys.
• Prompt to save before opening examples.
• Fixed crash with set parent and multi select.
• Fixed curves dimming when a handle is dragged.
• Fixed drawing path with solid lines.
• Show isolate as checked when using the new tool in mesh edit mode.
• PSD processing improvements.

25 Mar 2024

• Fixed import project creating duplicate animations.
• When packing an atlas if an edge is whitespace stripped and duplicate padding is on, leave 1px whitespace.
• Don't lose selected vertices when changing setup/animate mode.
• Fixed crash when hovering a sequence key.
• Launcher 4.2.08: Improved 4.2 editor rendering performance, especially when many keys are visible in the graph.

24 Mar 2024

• Fixed crash keying shown timelines with a global physics timeline visible but no global physics constraints.
• Added warning icon on physics constraints when the bone reaches invalid values.
• Disallow creating new items in animate mode, except for skins, events, and animations.
• Fixed the curves view not synchronizing first/last keys for looping animations.

23 Mar 2024

• Added keying bone transform inheritance.
• Allow 2-bone IK for bones with inheritance, with a warning icon on the constraint.
• Added clicking on graph curve lines.
• Added PSD export setting to write layers when using File per frame.
• Synchronize the first and last graph curve handles for looping animations.
• Hide color management for Mac ARM (Apple GPU bug breaks it).
• Fixed attachments disappearing in animate mode when bones are filtered in the tree.
• Fixed losing selection in animate mode when draw order changes.
• Fixed constraint order being reversed after data import.
• Don't flash physics limit during export.
• Fixed binary export for physics limit of 5000.
• Launcher 4.2.07: Fixed settings being reset for versions < 4.0.

22 Mar 2024

• Fixed crash when showing a view.
• Fixed copying weights when only bones are shown in the tree.

20 Mar 2024

• Fixed curves when opening very old projects.

21 Mar 2024

• Copy/paste weights when using the weights tool.
• Copy/paste bones in the weights view.
• Click to deselect the selected bone in the weights view.
• Hotkeys for simulate and deterministic.
• When importing data into a project using the CLI, scale can be a path to an atlas. The atlas' scale is used for the import.
• Disallow fraction dopesheet row height.
• Fixed rounding for pixel compensation in some cases.
• Snap to the center of edges in edit mesh mode.

20 Mar 2024

• Dim triangles for wireframe meshes in edit mode.
• Toast messages for weld when there are no common bones or there is no overlap.
• Toast messages when weld is applied to selected vertices and/or bones.
• Allow welding a mesh, clipping, path, or bounding box attachment.
• Allow choosing a mesh or clipping attachment as the source of weights when welding.
• Keep weights view bone selection when applying weld.
• Fixed incorrect physics data exports when limit is 500.

18 Mar 2024

• Added a weights view Weld button to copy weights from another mesh.
• Fixed crash dragging a slot and folder.
• Remove special characters in names when processing PSDs.
• Fixed duplicating a mesh and converting to a region and back without loading the image.
• Fixed weights view bind button not being active in bind mode.
• With the weights tool, ctrl+A selects all vertices without needing to select one first.
• Dismiss instructional weights toasts when the action is taken.
• Fixed blurry dialogs in some cases.
• Fixed path constraint sliders affecting other constraints.
• Fixed jitter in image and video exports.

17 Mar 2024

• Fixed crash on import PSD dialog with relative paths.

17 Mar 2024

• Moved PSD processing to its own Import PSD menu item.

16 Mar 2024

• Improved import project dialog.
• Resize the dopesheet/graph when unlocked after renaming items.
• Fixed loading projects where multiple keys for a timeline are on the same frame.
• Fixed binary export for IK constraint timelines.
• PSD processing fixes.
• Fixed separated keys after undoing bone or slot deletion.
• Fixed rare crash after drag and drop.
• Fixed expanded nodes in skins view for multiple skeleton.
• More efficient tree line rendering.
• Fixed losing empty animation folders when duplicating a skeleton.

15 Mar 2024

• Fixed losing empty skin and event folders when duplicating a skeleton.
• Fixed crash creating a new folder in some cases.
• Improved order when creating new physics constraint for multiple bones at once.
• Fixed Pixels for negative coordinates.
• Freeze viewport physics and preview playback when exporting.

13 Mar 2024

• Fixed crash using undo after constraints reset.
• Fixed crash duplicating skeleton with empty constraint folders.
• Fixed empty slot folders being lost when duplicating a skeleton.
• Clipping in a PSD acts like a [merge] tag.
• Fixed dopesheet/graph not updating when jumping from a slot to draw order.

11 Mar 2024

• Fixed animation overview row showing keys from other skeletons.
• Fixed dopesheet and graph rows when an animation only has global timelines (draw order, events, physics) and the project has multiple skeletons.
• Only show all global timelines when nothing is selected.
• Show global timelines when related tree nodes are selected.
• Animation clean up deletes global physics timelines if no constraint properties are global.
• Animation clean up deletes physics reset all timelines if there are no physics constraints.
• Fixed copying physics constraint settings.
• When pasting constraint settings copied from animate mode into setup mode, don't change setup mode properties.

10 Mar 2024

• Improved pasting constraint settings.
• Prompt to duplicate keys for constraints.
• Fixed projects on load with slots that are not in their folder.

9 Mar 2024

• Added copy/paste for constraint settings.
• Don't show insert line for collapsed folders.
• Drop to start/end of collapsed folder if coming from above/below.

9 Mar 2024

• Fixed new bone icons crashing with an old launcher.
• Fixed orange +/- number when dragging keys.
• Fixed crash dragging deform keys when using value retiming.

9 Mar 2024

• Added 12 new bone icons.
• Added Show bones to preview settings.
• Added celestial circus, snowglobe, and cloud pot example projects.
• Allow ctrl+shift+drag to duplicate keys when Offset is enabled.
• Clear Offset when a project is loaded.
• Hide list of dragged items when over a valid drop location.
• Smarter default constraint order.
• Fixed setting keys on the last animation frame.
• Fixed tree drag and drop for 200% interface scale.
• Fixed physics in preview.
• Fixed physics properties label width.
• Fixed draw order up and down hotkeys.
• Launcher 4.2.06: Fixed the language resetting to default when running 3.8.99 after 2.1.27.

8 Mar 2024

• Added a Warm up slider to image and video export so physics can start in motion for looping animations.
• Fixed image and video export bounds when using physics.
• Fixed animation clean up for physics reset keys.
• Fixed deterministic physics being slightly incorrect and shaking when ctrl is held during playback.
• Fixed text field focus issue on some dialogs.

7 Mar 2024

• Fixed image compensation when physic constraints are applied.
• Fixed Skin... crash when selecting some types of tree nodes.
• Fixed issues with undo/redo when setting keys.
• Fixed RGB timelines having an RGBA light color.
• Added a folder highlight to drag and drop.
• Fixed rare crash creating a new slot or constraint folder.
• Allow relative paths for PSD data import.

7 Mar 2024

• Increased max physics limit, inertia, and mix.
• Fixed constraint order reversing after drag and drop.

6 Mar 2024

• Changed physics limit to work regardless of framerate. Values are now larger (pixels per second).
• Flash physics limit label when limit is applied.

6 Mar 2024

• Added a physics constraint Limit slider.
• Fixed bones not appearing when dropped on another skeleton.
• Launcher 4.2.04: Fixes macOS audio issues for all 4.0 and 4.1 versions.

5 Mar 2024

• Fixed keying using too many undo states.
• Fixed crash middle clicking empty space in tree.

4 Mar 2024

• Multiple select properties for path constraints.
• PSD processing improvements.
• Fixed drag and drop for multiple items to an empty folder.
• Fixed physics timeline data import when using an import scale.
• Fixed setting multiple keys being combined into a single undo state.
• Fixed importing source meshes that are in a skin.
• Fixed missing sequence images being moved to the end.
• Fixes changing slots wrecking attachment position.
• Fixed reverse constraint order in data exports.

3 Mar 2024

• Multiple select properties for transform constraints.
• Duplicate for IK, transform, and path constraints.
• Fixed undo for transform constraint Match.
• Middle click a folder to select all immediate non-folder children.
• Fixed a crash after using undo.
• Fixed crash removing bones/constraints from a skin.

3 Mar 2024

• Added skeleton reference scale.

3 Mar 2024

• Fixed crash creating a new constraint.

3 Mar 2024

• Improved PSD processing error messages.
• Fixed missing Replace weights view mode.
• Better default images and audio paths.
• Improved UI for adding/removing bones and constraints to/from skins.

29 Feb 2024

• Fixed support for older macOS versions, back to 10.12.

27 Feb 2024

• Fixed being unable to create a linked mesh when there is no skin.
• Fixed crash using undo after creating a slot.

27 Feb 2024

• Fixed dopesheet timeline scroll zoom when rows are hidden.
• Fixed creating new constraints in the trial.
• Fixed file dialog on Linux.

27 Feb 2024

• Improved bone and constraint add to skin buttons.
• Fixed physics not being applied right away after data import.

26 Feb 2024

• Fixed constraint order getting reset on project load.
• Fixed crash during drag and drop.
• Fixed slot order being reversed after multi slot drag in animate mode.

26 Feb 2024

• Fixed constraint Reset being backward.
• Fixed crash moving attachments to a new bone.

26 Feb 2024

• Fixed moving attachments to new bones.
• PSD import fixes.

25 Feb 2024

• Fixed audio on Mac.
• Fixed crash deleting multiple different kinds of constraints at once.
• Fixed crash processing PSDs.

25 Feb 2024

• Added Auto scale to the texture packer.
• Fixed folder New... select box being empty.

24 Feb 2024

• Fixed opening some older projects.
• Rename constraints that have a forward slash.

24 Feb 2024

• Fixed crash creating a new attachment on a bone.

24 Feb 2024

• Added folders for draw order and constraints.
• Added PSD processing support: bring in images from any program that can write a PSD! The PhotoshopToSpine script is now obsolete.
• Added "Keep image path" when renaming a mesh or region attachment.
• Added "Rows" checkbox to dopesheet view properties.
• Fixed showing IK constraint rename dialog twice.
• Fixed constraint warnings showing when they should not.
• Fixed incorrect meshes in some exports.
• Fixed shear causing physics to explode.
• Multi select properties for different constraint types.
• Fixes for duplicate bone and constraint not being in skins.
• Fixed sort orders after a constraint is renamed.
• Show folder path in properties and for bones and constraints under skins instead of just name.
• Include folder path for sorting events, animations, skins, and constraints.
• Fixed audio being unloaded incorrectly when used by multiple skeletons.
• Fixed data import for physics global settings and when a physics constraint is in a skin.
• Fixed audio view cutting off event names.
• Fixed audio view volume not being applied until changed.
• Fixed auto key for IK stretch and positive.
• Fixed holding ctrl for box select after deselecting a mesh.
• Fixed selecting a sequence key changing the selection.
• Fixed skeleton viewer physics when run from the editor.
• Don't show blending overlay under draw order.
• Improved drag and drop into folders for skins, events, and animations.
• More efficient dopesheet rendering for stepped keys.
• Fixed Spine window appearing during image or video CLI exports on macOS.
• Lower CPU usage when not using physics.
• Added missing FPS slider to WEBP export.
• Physics defaults to translation for null bones.
• Default images path changed to: ./images
• Fixed ctrl + double click to select deform vertices in animate mode.
• Fixed sequences changing in setup mode when preview is shown.

26 Nov 2023

• Fixed mesh deforms in exports.
• Fixed export preview with physics constraints changing the skeleton pose.

25 Nov 2023

• Fixed crash when opening a new project with a path constraint selected.
• When dragging box selection to scale keys in the dopesheet or graph, remember the original keys until the selection box is dismissed.
• Fixed physics constraints in exports when one has a higher FPS than others.
• Launcher 4.2.02: Fixed crash after waiting for another launcher instance to download an update.

23 Nov 2023

• Applied some missing fixes from 4.1.
• Draw negative frame numbers when the left side of the graph is expanded.

22 Nov 2023

• Right click the preview menu button to toggle showing the controls.
• Fixed attachment timelines not being applied on higher tracks.
• Fixed case of names in JSON export.
• Fixed some physics constraint behavior when strength is 0.

17 Nov 2023

• Physics reset buttons affect preview.
• Fixed running on older macOS versions.
• Fixed physics timeline JSON exports.

15 Nov 2023

• No physics for ghosting.
• Fixed axis lines disappear at some UI scales and zoom levels.
• Updated physics icons.
• Improved physics accuracy in long image and video exports.
• Fixed undo after creating a new physics constraint.
• Fixed keying sequence FPS when physics are simulated.

13 Nov 2023

• Fixed physics sliders in animate mode.

13 Nov 2023

• Fixed physics deterministic getting checked during multi-select.
• Update physics sliders as keyed values change.
• Fixed crash when dragging keys.

13 Nov 2023

• Added global physics timelines.
• Fixed path deforms in animate mode.
• Red key states for physics reset buttons.
• Fixed bugs with deterministic physics.
• Removed auto key from physics reset buttons.
• Fixed timeline ticks at high frames when zoomed in.
• Clamp physics and path constraint property values in the graph.

11 Nov 2023

• Added physics constraints.
• Added a pixel snapping mode for region attachments.
• Added numeric mouse position coordinates to rulers.
• Added auto Bezier button to dopesheet.
• Added Export all to JSON export to include items with Export unchecked.
• Fixed constrained bone transforms when multiple constraints are applied and the bones don't inherit some transform properties.
• CLI project info processes all files in folder.
• Fixed window size affecting filtering at 100% zoom.
• Allow attachment compensation hotkey in animate mode.
• Update viewport selection from tree when changing animate/setup mode.
• Fixed changing mesh color in animate mode when multiple are selected.
• Improved accuracy for bone transform values.
• Allow hotkeys that change selection or navigate the tree during a tree drag and drop.
• Fixed export image and video crop size in some cases.
• Fixed sort order of folders when texture packing.
• Added alt+letter hotkeys to toggle checkboxes on dialogs and tab to focus the first textbox.
• Improved curve Value retiming mode when the handles are flat or separated.
• Fixed Spine preventing OS sleep on macOS.
• Improved mesh tracing for images with many disconnected pixels.
• Improved attachment highlights when using pixel grid and highlight smoothing is disabled.
• Fixed viewport zoom slider being under the ruler when the toolbars are right aligned.
• Fixed edge pixels being lost in the atlas when a mesh cuts off part of an image.
• Allow edge loop selection (hold shift) for the Weights tool.
• Fixed compensation being applied to constrained bones in some cases.
• Fixed incorrect path handle position for negative positions.
• ~7% smaller binary export size.
• Option to redownload example projects.
• Improved texture packing, especially for multiple pages.
• Fixed export paths when switching between a file/folder.
• Fixed text field text being offset when focused.
• Fixed error messages when export settings are invalid.
• Fixed specifying a folder for CLI exports.
• Fixed the Windows IME appearing under the Spine window when fullscreen.
• Skip UTF8 BOM when reading JSON and atlas files.
• Highlight playback view speed buttons.
• Added nonessential data to exports: bone icon, skin color, bone visibility, slot visibility.
• Fixed rare rounding errors for key times.
• Fixed keying shearY for transform constraints.
• Fixed weight locking for linked meshes.
• Auto weights now respects locked bones.
• Only place atlas files in a subfolder when there are duplicate suffixes.
• Disabling interface animations removes animation on viewport zooming.
• Fixed text being cut off with a user interface scale other than 100 and 200.
• Launcher 4.2.00: native ARM for macOS, added --activated to test if an activation code has been installed, fixed race condition running many concurrent instances.
• Launcher 4.2.01: fixed running many concurrent instances that download updates.

16 Oct 2023

• Fixed texture packer error when scaling.

12 Jun 2023

• Fixed crash box scaling keys.
• Fixed crash when a linked mesh has a sequence and the source mesh does not.

11 Jun 2023

• Fixed handles jumping in the graph when using box selection scaling in some situations.
• Added --relative-parent-max CLI parameter.
• Fixed using box scale to reverse keys.
• Fixed rare crash while moving keys.
• Fixed ghosting in GIF exports. GIFs may be slightly larger, but correct.
• Fixed texture packer bilinear scaling for some image size and scale combinations.

30 Apr 2023

• Fixed a sequence region attachment changing size in setup mode when preview is shown and the sequence image sizes vary.
• Fixed attachments not showing in preview when a slot is hidden or viewport images are hidden.

5 Apr 2023

• Fixed clicking in blank space to deselect graph handles.
• Improved sensitivity when starting a drag on a graph handle.
• Fixed incorrect snapping when dragging graph box selection edge.
• Added holding ctrl while dragging graph box selection edges to scale using the center of the box as the origin.
• Fixed incorrect handles after flipping with box selection.
• Fixed key shift changing values or handles of subsequent keys during box selection scaling.
• Further improved keeping tree selection when enabling or disabling the tree filter.
• Updated Mac ARM support.
• Fixed 1x1px image and video exports when an animation contains IK constraints and a parent bone has zero scale.
• Fixed the "images resized" dialog appearing repeatedly when Preview is showing a sequence with various sized images.
• Brighter key box selection when empty.

28 Jan 2023

• Fixed find and replace not selecting slots if bones are hidden in the tree.
• Improved keeping tree selection when enabling or disabling the tree filter.
• Fixed the output path shortening when changing the animation to export.

15 Jan 2023

• Fixed holding ctrl and clicking the back mouse button on Windows.
• Fixed color dialogs for viewport background settings not updating until closed.
• Fixed sequence timelines for Data Import.
• Added chibi-stickers example project.
• Fixed hiding a slot causing an attachment to be hidden.
• Improved warning message when an image is not found.
• Fixed mesh disappearing when moving a vertex to an invalid position with Deformed checked.
• Don't scroll viewport when over the window edge.
• Fixed find and replace dialog losing results after showing regular expression help.
• Fixed sequence ticks not rendering in graph for some keys.
• Fixed animation clean up deleting sequence keys.
• Fixed selecting vertices with ctrl being too sensitive.
• Improved first path segment when dragging the second handle.
• Improved packing when using the power of two or square settings.
• Fixed attachment key buttons not appearing when Show all skin attachments is unchecked.
• Fixed Set Parent hotkey not working for some types items of items when multiple are selected.
• Fixed crashes opening a file while dragging the mouse.

1 Nov 2022

• File dialog chooses a folder for export output prefix rather than a file.
• Fixed export output prefix being used as folder path in some cases.
• Fixed texture packer whitespace stripping when using a sequence region or mesh attachment.

24 Oct 2022

• Fixed crash when keying a mesh.

24 Oct 2022

• Fixed crash unlinking a linked mesh without a sequence when the source mesh has a sequence.
• Fixed undo state for keys when unlinking a mesh and copying the keys.
• Ensure deform and sequence keys are only set for visible attachments.
• Fixed Key Active hotkey for sequences.
• Fixed version changing to Latest beta when Latest 4.1 is selected on the settings dialog.

6 Oct 2022

• Fixed incorrect cursor position when typing into a text field in some cases.
• Fixed crash with tree collapse hotkey.
• When changing to animate/setup mode, scroll the tree to keep selected items visible.
• Fixed dopesheet not showing keys after undoing bone deletion.
• Fixed Key Shown when Show all skin attachments is checked.
• Fixed export causing pinned skins list to double.

1 Oct 2022

• Fixed slow animation playback speed.

30 Sep 2022

• Support color tags in the animations view.
• Added --skeleton-viewer to run Skeleton Viewer.
• Fixed audio not starting over when repeat is enabled in some cases.
• Fixed animation clean up deleting incorrect keys in some cases.
• Don't show key buttons for deform and sequences in other skins when Show all skin attachments is checked.
• Show skin name in dopesheet for deform and sequence timelines when Show all skin attachments is checked.
• Improved selection when clicking timeline names.
• Fixed keying when a slot has multiple sequence attachments.

28 Sep 2022

• Fixed a crash when clicking a select box.

27 Sep 2022

• Fixed sequence Frame being disabled sometimes in setup mode.
• Fixed file extension color on open dialogs.
• Export dialog no longer remembers the JSON export version from the last export.
• Fixed CLI project import losing images and audio paths.
• Fixed sequence key state when no timeline exists yet.
• Don't show mesh resize dialog when changing a sequence's setup frame.
• Show error icons when images or audio paths are not found or access is slow.
• Added browse and open buttons for image files.
• On the Find and Replace dialog enter replaces and ctrl+enter selects.
• Fixed animation clean up changing curves in some cases.
• Tree expand/collapse hotkeys work when multiple items are selected.
• Removed enter and space from cancelling important dialogs.
• Keep viewport selection after changing skin visibility.
• Binding and removing bones updates the tree's warning icons.
• Fixed the Pose tool interacting with bones that have Select unchecked.
• Improved ghosting key frames based on dopesheet or graph focus.
• Fixed view keeping focus when minimized or closed.
• Fixed crash double clicking a path handle.
• Draw selection lines around region attachments when selected with the bone Create tool.
• Fixed rare crash when dragging keys.
• Fixed file dialog showing current folder as a file.
• Detect and fix invalid mesh edges in older projects.
• Detect and remove more types of invalid attachments on project load.
• Fixed linked mesh unlink combining with previous undo state.
• Fixed CLI project info when there is no output path.

10 Sep 2022

• Fixed smoothing not being applied to some parts of images.
• Fixed crash when an image fails to load.
• Fixed rare file dialog failure on Windows.
• Fixed weights view Smooth, Prune, and Swap not using the selection for a linked mesh.
• Fixed bone numbering in some cases for the Create tool.
• Fixed New > Bone position for skin placeholders.
• Fixed bone label not showing in tree properties in some cases.
• Brighter lines between dopesheet keys.

8 Aug 2022

• Fixed crash deleting mesh vertices.
• Fixed crash dragging dopesheet rows.
• Fixed crash while dragging a box selection.

8 Aug 2022

• Tree button to select an attachment's slot or a slot's draw order works when multiple are selected.
• Fixed issues with selecting and deleting path vertices.
• Fixed "animation repeat" setting not being loaded from export settings JSON.
• Improved scrolling to selected items in the tree and graph.
• Fixed label for single bone IK properties.
• Fixed undo after moving a single bone IK target.
• Update relative paths after CLI import.
• Fixed PSD export showing the wrong output type.
• Fixed setting to disable double clicks in edit mesh mode and some other cases.
• Fixed tap square for bone Create tool when holding ctrl.
• The Last Tool hotkey now changes the tool in edit mesh mode.
• Improved zoom responsiveness.
• Preview respects loop start and end in animate mode when Play current animation is checked.
• Fixed views briefly opening with the wrong size.
• Fixed draw order changes using two undo states.
• Don't start export when a enter is press in text field on the export dialog.
• Launcher 4.1.09: fixed -Xmx CLI parameter on Mac, increased Mac and Linux maximum RAM default from 1024 to 2048.

14 Jul 2022

• Fixed meshes losing bones in some cases when moved to another skeleton.
• Launcher 4.1.08: fixed losing activation code when many Spine instances are started at the same time.

11 Jul 2022

• Improved selection of bones without a length.
• Fixed missing Bezier handles after pasting.
• Fixed broken curves after pasting.

8 Jul 2022

• Fixed crash when clicking Pack Settings.
• Fixed crash clicking Select Bones during Edit Mesh.

7 Jul 2022

• Fixed texture packer settings not being stored separately for JSON and binary export.
• Fixed texture packer bilinear scaling smearing the image in some cases.
• Better PNG optimization error messages.

5 Jul 2022

• Fixed clicking in empty space to deselect in the graph.
• Fixed rare crash with sequences during export.
• Fixed Curves view not updating the skeleton during a drag.

1 Jul 2022

• Fixed export launcher update warning.

30 Jun 2022

• 4.1.00 released!

29 Jun 2022

• Fixed texture packing to WEBP failing the first try and not using the specified settings.
• Fixed crash pasting sequence keys after unchecking Sequence.

26 Jun 2022

• The "separate" button in the Curves view now also applies to pasting keys.
• Fixed dopesheet and graph drag indicator.
• Added launcher update warning for PNG optimization.
• Fixed loop start text field not showing 0.
• Use skin placeholder setup pose visibility for Find and Replace "unused" search.
• Added Find and Replace "missing images" search.
• Improved Bezier handle adjustment when deform keys are moved.
• Improved default Bezier handles for deform keys when Bezier is clicked.

19 Jun 2022

• Allow setting the parent bone for multiple bones or slots to the parent of one of the selected bones or slots.
• Improved dopesheet sort order when names end with a number.
• Improved tree lines for selected items.
• Fixed origin not appearing in texture atlas.
• Allow dopesheet and graph select button when selection is not locked.
• Fixed mesh or weights brush size circle not disappearing after a Brush+/- hotkey.
• Allow dragging multiple constraints at once.
• More space around graph auto frame when the graph view is tall.
• Fixed crash dragging the last key handles in some cases.
• Fixed IME input repeating the last character.
• Fixed crash when attachment path contains a period before a slash.
• Fixed crash right clicking to jump to an item when in a picking mode.
• Disable sequence properties when attachment is not visible.
• Fixed using sequences with linked meshes.
• Fixed crash when a pingpong sequence has 1 frame.
• Fixed rare crash during undo/redo.

25 Apr 2022

• Updated Chinese, Japanese, Korean, German, Italian, and Croatian translations.
• Fixed APNG export artifacts.
• Dim tree lines for hidden/inactive items and for text search.
• Fixed blank new skin placeholder dialog.
• Don't lose tree selection when showing multiple attachments.
• Fixed find and replace for tree selection when draw order slots are selected.
• CLI texture unpacking does unpremultiply alpha when the atlas page has pma:true.
• Sort animations on import project dialog.
• Improved expand/collapse icon for selected tree items.
• Fixed rotate hotkeys not using a new undo state.
• Prevent window title from pushing menu buttons off screen.
• Fixed error showing initial welcome screen images.
• Fixed image and audio paths set to "././".

29 Mar 2022

• Added Unused checkbox and Select button to Find and Replace dialog.
• Fixed loading some older 4.1-beta projects.
• Fixed GIF export quality when speed is 1.

28 Mar 2022

• Fixed font rendering issues.
• Fixed skin icon colors in skins view.

27 Mar 2022

• Added many settings to PNG and APNG exports.
• Added speed setting to GIF export.
• Fixed loading some older 4.1-beta projects.
• Update the tree when changing the tree indentation setting.
• Added colored lines to the tree.

21 Mar 2022

• Added optimization settings to make much smaller PNG and APNG exports.
• Much faster GIF export.
• Added "replace existing animations" checkbox to Import project, animations.
• Fixed export frame count not appearing right away.
• Don't show path constraint chain scale warning when all bones are under the first bone.
• Weight smoothing now respects weight locks.

9 Mar 2022

• Added new export formats and encodings: WEBM, AWEBP, MPEG4, ProRes 4444, AC3, AAC.
• Fixed unreliable video exports.
• Much faster video exports.
• Fixed rounding of bone weights in JSON exports.
• Added warning when not exporting a skin that has bones or constraints.
• Added forceAll JSON export setting.
• Fixed bug where export preview caused setup mode to have some animate mode features.
• Launcher update (4.1.04): functionality needed for new exports.

12 Feb 2022

• Added support for WEBP to image export and texture packing.

8 Feb 2022

• Fixed crash opening a project.

5 Feb 2022

• Fixed draw order filter in graph and dopesheet.
• Fixed applying a curve preset when existing handles are auto.
• Fixed weights view lock icon placement for some font sizes.
• Reduced overall memory usage.
• Prevent favor tool overshoot for default and setup modes.

29 Jan 2022

• Added locking a bone's weights in the weights view.
• Fixed crash applying a preset in some cases.
• Fixed preview not showing applied skin attachments in some cases.
• Prevent text fields from having keyboard focus when disabled.
• Fixed tint black checkbox when multiple slots are selected.

27 Jan 2022

• Fixed undo after dragging weight text field in weights view.
• Fixed text fields with very small negative numbers.
• Improved bone rendering for very small bones.
• Prevent bones from having zero scale in setup mode.
• Improved mesh weight accuracy in binary exports.

20 Jan 2022

• Fixed some crashes when setting or moving keys.

19 Jan 2022

• Save 4.1 views separately so 4.0 views are not lost.
• Fixed a mesh rotating when bound to a bone.
• Don't change auto Bezier curves to linear when pasting keys.
• Added Swap button to weights view.
• Fixed the graph Shape retiming mode in some cases.
• Added a default curve type setting.
• Improved Bezier handle adjustment when moving and setting keys.

17 Jan 2022

• Fixed view toolbars being hidden.
• Fixed New select box when multiple bones are selected.
• Fixed button to select a slot in the draw order when the draw order is closed.
• Fixed selection after creating a constraint.
• Fixed binding the parent bone to a mesh with no weights.

16 Jan 2022

• Fixed problem reading curve presets from settings files.

16 Jan 2022

• Added a Curves view with presets.
• Changed dot icon for attachment visibility.
• Added "Box select pause" settings for the graph and dopesheet.
• Allow hotkeys to be reloaded without restarting.
• Added Refine button to mesh trace and allow clicking to create vertices.
• Added hotkey for mesh trace refine.
• Mesh trace hotkey traces again if mesh trace is already open.
• Fixed edit mesh dialog being the wrong size in some rare cases.
• Added --animate-mode CLI parameter to open project in animate mode.
• Added --no-save-prompt CLI parameter to never prompt when closing an unsaved project.
• Moved graph retiming setting to graph view menu, default to shape, save across runs.
• Reduced graph toolbar clutter.
• Show fewer decimal places for rotation when not typing.
• Don't use selected keys when enabling auto frame.
• Changed most "Hide X" checkbox menu items to just "X".
• Added checkbox for image and video export to render the current selection, removed --export-selection CLI.
• Fixed sequences using pingpong reverse.
• Fixed auto Bezier button highlighting when a key and handle are selected.
• When the second Bezier handle is selected, setting the curve type affects the previous key.
• Fixed dragging path constraint sliders with auto key.
• Sort skins and animations using folders for JSON and binary data.
• Don't write skin names in binary data for skins that are not exported.
• Hide tree annotations for inactive skin constraints when Hide skin bones and constraints is checked.
• Fixed data export with no output path.
• Allow most actions when multiple bones are selected and one is the root.
• Added toast when trying to set world rotation outside 360 degrees.
• Added Layered checkbox for animations intended to be applied on top of other animations, so clean up knows to preserve more keys.
• Fixed the "mesh image files" changed dialog appearing when a mesh sequence has different sized images.
• Improved graph line rendering.
• Fixed viewport blurry axis lines at some zoom levels.
• Fixed bug when renaming events.
• When pasting keys, use linear to avoid an S shaped Bezier.
• Fixed attachment visibility being incorrect when bones aren't shown in the tree.

30 Nov 2021

• Fixed crash adjusting deform key handles.
• Changed rotation rounding to avoid unnecessarily precise values.
• Fixes from 4.0.51.

21 Nov 2021

• Dragging a graph handle when multiple are selected adjusts them like the 3.8 graph.
• When dragging a graph handle, dim other curves.

19 Nov 2021

• Updates from 4.0.49.

8 Nov 2021

• Fixed crash exiting edit mesh mode.

7 Nov 2021

• Fixed creating a new IK, path, or transform constraint by clicking to create the target bone.
• Fixed tree nodes being grey when setting new constraint bones.
• Fixed pressing ctrl when a text field is focused resetting the text field value.
• Fixed box selection when a parent bone has zero scale X or Y.
• Fixed removing a single attachment's timelines removing all attachment timelines.
• Fixed crash pasting sequence keys to an attachment without a sequence.
• Fixed Data Import for sequence attachments.
• Fixed graph framing for scale keys.
• Fixed dragging an attachment from a skin placeholder to the placeholder's slot.
• Launcher update (4.1.01): fixed crash on Linux with some themes.

10 Oct 2021

• Fixed crash duplicating a skin.
• Fixed crash in some cases using undo in setup mode.

9 Oct 2021

• Fixed using Set Parent on an image file.

8 Oct 2021

• Added sequences for region and mesh attachments for easier frame-by-frame animation.
• For drag and drop of multiple bones and slots, allow dropping on parent bone.
• Show name color tags in the dopesheet and graph.
• Show a toast instead of a dialog when attachment keys are automatically deleted.