Aseprite v1.3.16 & v1.3.17-beta1 Dec 11, 2025

Hi asepriters! Today we’re releasing Aseprite v1.3.16 as the new stable version. It includes all the new features from the previous v1.3.16-betas and a lot of bug fixes. On the other hand, in the Steam beta channel you’ll find the new Aseprite v1.3.17-beta1 with new features 🗝️

In this release we’re featuring erema.pixel 🎨 🫶

What’s new in Aseprite v1.3.17-beta1

New option to paint/select rounded rectangles #2184

You can change the corner radius in real-time pressing the C key:

Moving the selection in Tiled Mode now works correctly #1457

Now mouse buttons (even X1 / X2) can be associated to commands / tools / drag values #598 #1793

Other changes that you can find in the release notes:

• Avoid confusing UX creating new keyframes for slices #5125 #2284
• Avoid confusion with Slice selection search field #5484 t/27705
• Don’t modify the sprite when we just click/select slices #5578
• Lua API:
  • Added Dialog onresize event #4736 #5354
  • Fixed Image:drawSprite() call when the user is drawing #3916

What’s new in Aseprite v1.3.16

• Added possibility to search commands by its keyboard shortcut #5465 (thanks to @AlexJauregui02)
• Added key bindable “Solo Layer” command #5291 #5527
• Windows: New option to associate any kind of file with the running instance of Aseprite + customize how to see thumbnails on File Explorer #2606
• Linux: Added a movement threshold when detecting double clicks in X11 (thanks to @Cammymoop)
• Fixed selection in text fields with special fonts #5520
• Fixed HSL+ and HSV+ filters with mask color #5548
• Fixed UI bug in Keyboard Shortcuts with the “Add” button in other languages #5523
• Fixed bug starting to drag the color palette after picking a new ink #5547 / t/27779
• Fixed bug selecting a recent/pinned folder to export with relative paths #5388
• Fixed crash due big font sizes #5535
• Fixed dragged tabs lingering when executing commands #5496
• Fixed several issues with multiple screens laf#164
• Fixed crash using Select Used/Unused Colors when there is a pixel out of bounds #5096
• Fixed crash with Lasso tool + pixel perfect + new selection #5571
• Lua API:
  • Update API version to 38
  • New Behavior: Property changes outside a transaction don’t generate undo steps #4568
  • New Behavior: Layer flag changes inside a transaction generate undo steps #2991
  • Avoid clicking an invalid button after a new window is displayed #4757
  • Don’t reset dialog bounds after Dialog:show{autoscrollbars} when dialog.bounds were set before #4758
  • Allow mouse wheel scrolling in dialogs with autoscrollbars option #5116
  • Fixed widgets interactivity using bounds and autoscrollbars in Dialog:show{} #5516
  • Fixed dialog with scrollbar wrong size in a particular case #5396 #5481
  • Fixed crash using a label field in Dialog:endtags{} #5114
  • Fixed disabled checkbox style change after Dialog:combobox() change #4988
  • Fixed crash setting properties with its same value #5519
  • Added Sprite.isValid #5017
  • Fixed console re-centering #5349 #5562
  • Fixed calling filters inside the same app.transaction() with ui=true #5572
  • Don’t show progress bar for filters when running with ui=false #5537

How to update Aseprite

How to get the beta version

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