Aseprite Blog

Aseprite v1.3.17 & v1.3.18-beta1

Wed, 25 Feb 2026 00:00:00 +0000

Hi asepriters! Yesterday we’ve released Aseprite v1.3.17. It includes all features introduced in previous v1.3.17-betas and some bug fixes. On the other hand, in the Steam beta channel you’ll find Aseprite v1.3.18-beta1 with some extra features.

What’s new in Aseprite v1.3.18-beta1

New Search field in Edit > Preferences #5507 #5353, and new option to configure tooltip delay from Edit > Preferences > Experimental > Tooltip Delay #5503 #2986

For theme authors: a new “Widget Zoo” command (Ctrl+Space > Widget Zoo) to test widgets and themes #5478

Other changes that you can find in the release notes.

What’s new in Aseprite v1.3.17

We’ve officially enable IME support on Windows: you should be able to use your IME editor in Aseprite text fields. This was something included only in beta versions until now #1767 #2841. Thanks to @Cerallin

New options to extend the “Keep closed sprite on memory” time #5603
Fixed square brush rotation direction #5597
Fixed auto focusing layer name when pressing F2 to rename the layer #5609
Fixed regression painting selected text in text input fields #5628 #5643
Fixed a crash when doing ‘Export As’ for animation and the target file is read only #5635 (thanks to @nelson-steve)
Fixed crash copying floating image when Tiled Mode is enabled #5602
+Changes from v1.3.17-beta2
Lua API:
- Update API version to 39
- Fixed security issue where a script could gain already given access from other script

How to update Aseprite

How to get the beta version

Discuss in the Community site

Aseprite v1.3.16 & v1.3.17-beta1

Thu, 11 Dec 2025 00:00:00 +0000

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

Discuss in the Community site

Aseprite v1.3.15.3 & v1.3.16-beta1

Tue, 23 Sep 2025 00:00:00 +0000

Hi pixel lovers! Today we’ve released Aseprite v1.3.15.3 including some fixes and v1.3.16-beta1 with a few nice features.

Remember, beta versions are available only through Steam.

What’s new

Aseprite v1.3.16.beta1 (art by DrSmey)

Added “Run Command” window (press Ctrl+Space to try it!) #5393 featuring:
- Aseprite’s command search
- Input of math expressions
- Inline Lua script evaluation
Added UI customization by making all elements on screen dockable/movable/resizable #518 #3485
Lua API:
- Added ‘ui’ parameter to all commands for enabling/disabling user interaction through their dialogs #3025

Aseprite v1.3.15.3

Fix UI theme colors to match theme color space commit c444b56
Context matching and prioritization using keyboard shortcuts #5390
Fixed Color Management issues (t/15751), (t/21945)
Lua API:
- [lua] Update scripting API version to 36
- [lua] Enclose key names for plugin preferences with [“…”] when it’s required #5412

Aseprite v1.3.15.4 & v1.3.16-beta2

Fixed random crashes applying filters (Replace Color, Outline, etc.) #4991
Fixed crash with certain scripts pasting images with an empty selection #5361
Fixed crash dropping certain images #5447https://github.com/aseprite/aseprite/issues/4388
Fixed mouse gestures not working after switching tabs #4388 (thanks to @JoshuaL03)

Aseprite v1.3.15.5

Added Ignore empty frames toggle to File > Export > Export As #5452 (thanks to @JoshuaL03)
Improved rotated rectangles and square brushes #5459
Fixed small graphical bug when dragging cels #5216
Fixed creating a copy rotating selection (CW/CCW) when we associate these commands with a shortcut including Ctrl modifier #1330 (thanks to @JoshuaL03)
Fixed export file window not starting out centered #5480
Fixed some Brush Preview visual traces when canvas is zoomed out #5005
Fixed Move tool with Auto Select Layer when the composition of groups is enabled #4812
Steam: -batch arg should have the same effect as -noinapp #5482
macOS: Fixed thumbnails for macOS Sequoia #5009
Windows: Fixed regression pasting DIB bitmaps from old Windows programs, e.g. Photoshop v7.0 #5458
Windows: Added compatibility to paste 1bpp and 4bpp bitmaps from clipboard
Lua API:
- Update API version to 37
- Avoid setting window bounds when the app is closing #5384
- Fixed centering a dialog with autoscrollbars behavior #5485
- WebSocket: Added error param to onreceive handler
- Fixed app.clipboard.content.selection property

Aseprite v1.3.16-beta3

Windows: Added IME support on text fields #1767 #2841 (thanks to @Cerallin)
Windows: New external process to show Open/Save File dialog, in case of crash the dialog is restarted without crashing Aseprite. This is the most common crash at the moment on Windows #4412

How to update Aseprite

How to get the beta version

Discuss in the Community site

Aseprite v1.3.15

Wed, 27 Aug 2025 00:00:00 +0000

Hello everyone! Today we’ve released Aseprite v1.3.15.2 with several bug fixes and little new handy features. If you are using v1.3.15 or v1.3.15.1, sorry for the inconvenience, but it might be a good idea to update to the latest v1.3.15.2 version:

What’s new

New possibility to duplicate slices (or Edit > Copy & Paste) t/21966 #4466
Added “Show hidden” option to file selector #3079
Added option to stroke text #5271
New options to reconfigure keys to apply/discard the tranformation #5102

Aseprite v1.3.15.2

Fixed arrow keys to move selection #5385
Fixed close button in popup window #5386
Fixed pivot position when Tiled Mode is enabled #2316

Aseprite v1.3.15.1

Reverted Esc key behavior to drop pixels + deselect #5102
- Added options to reconfigure keys to apply/cancel the transformation
Added slices copy & paste and duplication #4466
Fixed bug in Saturation layer blend mode #2661

Aseprite v1.3.15

Added “Show hidden” option to file selector #3079
Added options to stroke/fill text #5271
Export files:
- Added possibility to the output filename with “one click” (t/25920)
- Added pinned/recent folders to export file popup menus
Activate the native window when asking the user to save sprite changes #3542 #5318
Fixed marquee tool escape deselection #5102 (thanks to @JoshuaL03) and added right-click to configure the cancel selection button
Fixed mouse wheel zooming not working with zoom tool (quick) #2019 (thanks to @hwabis)
Fixed Color Management regression #5333
Fixed crash dropping file on timeline #5289
Fixed updating context bar positions when moving pixels with arrow keys #5329
Allow gif encoding to be stopped #2619
Fixed crash deselecting moved pixels when using certain extensions #5280
Fixed brush boundaries “accumulation” switching brush type only #5281
Lua API:
- Update API version to 35
- Added sprite.undoHistory #5205
- Added resizeable property to Dialog constructor #5177
- Added onchecked parameter to Plugin:newCommand() #5198
- Added missing FlipType.DIAGONAL #5359
- Added app.tip #5316 #5348
- Added autofit and sizeHint properties to Dialog #5176
- Refresh timeline when changing layer collapsed status #5366
- Process mnemonics consistently for plugins #5250
- Escape characters in the console that we can’t show properly #5324

How to update Aseprite

Discuss in the Community site

Aseprite v1.3.14

Wed, 11 Jun 2025 00:00:00 +0000

Hello asepriters! Today we’re finally releasing Aseprite v1.3.14 as the new stable one. It has been in beta for some months.

If you were using v1.3.13 and didn’t give a try to the beta before, you’ll be able to find some new features since v1.3.11-beta that now are available for everyone.

What’s new

New interactive Text tool with T key #28
New diagonal symmetry #1171
New drop files on timeline to import files as layers/frames/cels, works on Windows and macOS #131 #4636
Added “Transform” checkbox to move slices with its content #4533

Aseprite v1.3.14.4

Fixed timeline thumbnails with semi-transparent colors #5257
Fixed GIF animations with semi-transparent colors #5226
Fixed crash rendering empty text in certain UI elements #5255
Fixed edge-case detecting old sessions to be recovered #5252
Fixed separation between text and suffix in UI text fields #5261

Aseprite v1.3.14.3

Windows: Brings back Windows Vista/7 compatibility #5211
Export user & extension defined properties #5186 (thanks to @Necronomison)
Improve SVG output merging similar pixels (thanks to @LeSnow-Ye)
Fixed pivot movement when dragging a selection with Alt key to snap to grid #5238
Fixed bug/font baseline alignment news items/file list items when multiple fonts/emojis are needed #5221
Fixed crashes when a big font size is specified for the Aseprite font #5240
Lua API:
- Update API version to 34
- Added events to listen to blendMode, name, opacity and visibility Sprite layer changes #5164

Aseprite v1.3.14.2

Fixed double-clicking/dropping an .aseprite-extension file to install it #5209
Fixed the default font size for CJK and other translations #5210
Fixed bug with third-party themes using odd size values for the Aseprite font
Fixed some crashes using the font search capability with the Text tool #5214
Added possibility to disable hinting for theme ttf/otf fonts #5215

Aseprite v1.3.14.1

Fixed dithering options using Sprite > Color Mode > Indexed and fixed crash switching between Grayscale/Indexed options #5207
Fixed crash when default font is not available or invalid (edge-case for theme authors) #5208

Aseprite v1.3.14

Added pin icon to the Palette presets + performance improvements #2365 #5069
Added a way to change default Timeline options t/19863 #1485
Fonts & Themes:
- Added option to switch font hinting #4931 laf#138
- Added support to scale sprite sheet fonts
- Better support to use system fonts from themes
- Added missing Esperanto accents (ŜŝŬŭ) (thanks to @Fussmatte for this and the Esperanto translation)
Performance improvements:
- Startup optimizations #5090
- Prevent polling keyboard state for each message
- Improve performance loading list of fonts
- Improve performance resizing dialogs #5166 (related to #5028)
Windows: Fixed window flash when Aseprite is launched #5018 laf#136
Fixed file dialog size not being loaded properly #4460 (thanks to @JoshuaL03)
Fixed user data visibility after window size reset #4923 (thanks to @JoshuaL03)
Prevent scrollbar from shifting 1px on click (thanks to @LukeBarcenas)
Fixed bug exporting tilesets from the CLI #5053
Fixed regression in File > Export > Export As dialog where the -export string wasn’t included to avoid overwriting the same file #5035
Allow to use the close button when a popup window/menu box is displayed #5111 #5134 #5144
Fixed un-replaceable transparent pixels created by resize #5032 (thanks to @lightovernight)
Fixed timeline scrolling when creating layer #4930
Fixed regression with timeline thumbnails t/25097 #5083
Fixed crash using Shift+click for first time in Tiled Mode #5055 #5151 #5195
Fixed symmetry button is kept pressed when we didn’t pressed #4760
Fixed font rendering issues in non-English languages #4804
Fixed some UI/theme issues when UI Scaling > 100% #5043
Fixed some issues loading .fli/.flc files:
- Fixed animations with an odd column count (thanks to @mecirt in flic#2)
- Fixed loading .flc files with BRUN chunks with more than 256 packets (thanks to @mertenpopp in flic#3)
Dropping files from File Explorer/Finder to the Timeline:
- Fixed some bugs when dropping sprites with tilemaps/tilesets or in specific locations
- Improved feedback when dropping into a cel
Lua API:
- Update API version to 33
- Added Dialog:separator() more in line with other widgets #4989 (thanks to @MapleGecko)
- Added uuid field to layers #5033
- Added os.rename() and os.remove() functions
- Fixed cel.image:clear() cannot be undone #5015
- Fixed regression overwriting path specified in Dialog:file{filename} #5061
Linux: Dropped support for Ubuntu 18.04. Ubuntu 20.04 is the minimum now

How to update Aseprite

Discuss in the Community site

Aseprite v1.3.11 & v1.3.12-beta

Wed, 08 Jan 2025 00:00:00 +0000

Happy new year asepriters! (is it too late?) Yesterday we’ve released a couple of new versions fixing a lot of bugs/crashes and adding new features that will make your life a little better:

Aseprite v1.3.11:

Added columns and rows fields to Import Sprite Sheet #1287
Show grid cell index in status bar #2082
Fixed empty Edit > Keyboard Shortcuts > Action Modifiers list #4893
Fixed recent files/folders repeating items #4851
Fixed reverting layer changes after locking it #4586
Fixed some UI issues with the timeline #3678 and toolbar #4719
Fixed clicking window close button when the title overlaps it #4735
Fixed Magic Wand in Tiled Mode #4659
macOS: Fixed showing the main window back when the app is hidden #4857
Lua API:
- Update API version to 31
- Fixed cel.image = nil statement #4514
- Added ui param to app.command.MaskByColor #2774

Aseprite v1.3.12-beta1

New “Apply” button in effects #4678
New options to Edit > Preferences > Reset: reset window positions & brushes
Fixed crash dropping a file as layers and then undoing #4858
Avoid app hang when dropping some files on the timeline #4828
Fixed crash displaying the Preview window in multiple windows #4864
Fixed artifacts when moving the cursor #4825
Fixed crash when dropping files and a modal dialog is open #4824
Lua API:
- New beforesitechange event #4785
- New plugin.version and plugin.displayName properties #4904

If v1.3.12-beta1 is stable enough, it might become the next stable in a couple of weeks. Remember that the beta is available only in the Steam beta channel.

How to update Aseprite

How to get the beta version

Discuss in the Community site

Aseprite v1.3.10 & v1.3.11-beta

Fri, 22 Nov 2024 00:00:00 +0000

Hi asepriters! This week we’ve released Aseprite v1.3.10.1 and v1.3.11-beta2 with new major features.

New beta versions are going to be available only through Steam as it is easier to release quick fixes for important crashes/regressions. We’re planning to release new features there and after a couple of weeks of beta testing, publishing it as the new stable version.

What’s new

Aseprite v1.3.11-beta1:

New interactive Text tool with T key #28
New diagonal symmetry #1171
New drop files on timeline to import files as layers/frames/cels, works on Windows and macOS #131 #4636
Added “Transform” checkbox to move slices with its content #4533
Experimental: Compose layer groups separately from all other layers #3225 (thanks to @belchiorg and @gui-marc)
- Enable this from Edit > Preferences > Experimental > Compose groups separately
Group buttons in the toolbar when the window is too small #4708
Duplicate tilemaps correctly when Sprite > Duplicate #4759
Replaced jpeglib with libjpeg-turbo to load/save JPEG files
Better text rendering using Skia (DirectWrite on Windows, Core Text on macOS) #4362
Lua API:
- Added GraphicsContext for images: Image.context property #4330
- Added ui/flatten/filename parameters to app.command.DuplicateSprite command #4755

Aseprite v1.3.11-beta2:

Fixed crash dropping files on timeline in certain cases #4801
Fixed crash clicking the canvas when multiple layers/frames were selected in the timeline and the Edit > Preferences > Timeline > Keep Selection option was enabled #4809
Fixed some theme related problems with the font popup #3851 #4815
Windows: Minimize crashes related to buggy WinTab drivers #3358

Aseprite v1.3.10:

Published a couple of HD icons
Added support for JPEG image orientation adjustment from EXIF metadata #2525
Disable Brush Preview in Preview window by default #4721 (thanks to @S4HRKBOY), can be re-enabled from View > Preview > Brush Preview
Snap cels to grid on moving cel action #4027
Fixed slice tool when we are in tiles mode #4306
Fixed bug copying/moving cels with z-index #4779
Fixed issues with windows visibility when changing between “Home” tab and sprites #4546 #4789
Fixed Duplicate Sprite/Layer didn’t duplicate z-indexes #4665
Fixed mouse issues making hard to resize floating windows #4240
Fixed UI issue scaling brush type icons #4386
Fixed crash clicking “Hide Other Layers” when there is no preview window #4768
Lua API:
- Update API version to 30
- Added app.editor.zoom/scroll properties #4722
- New option (Dialog:show{ hand=true }) to enable Hand tool in the active editor with a modal dialog (thanks to @lampysprites)

Aseprite v1.3.10.1:

Fixed window flickering using “Disable Snap to Grid” button t/23912 #4805
Lua: Fixed broken Dialog:show{ bounds=Rectangle } API t/23917

How to update Aseprite

How to get the beta version

Discuss in the Community site

Aseprite v1.3.9

Wed, 02 Oct 2024 00:00:00 +0000

Hi asepriters! A new Aseprite v1.3.9 version is available today, more stable, with several bug fixes, and a couple of minor features. Since v1.3.8 we are a bigger team with the collaboration of @ckaiser and @liebranca. We are really grateful for their help in developing Aseprite.

What’s new in Aseprite v1.3.9:

New Hungarian, Norwegian Nynorsk, Thai, and Ukrainian translations, thanks to the help of several contributors
Improved performance in “Recover Files” tab #4610
New “Reset” page in Edit > Preferences #4432
New “Reset Symmetry to View Center” option t/19185 #4638 (thanks to @S4HRKBOY)
New criterias to match similar RGB colors with color palette entries t/9682 #2787
Added “Don’t show this alert again” when saving WebP files #4658
Fixed “Merge Down” command when the merged cels have a special z-index t/22106 #4468
Fixed bug where we weren’t able to uninstall third party extensions #4622
Fixed transparent color bugs converting between RGB <-> Indexed conversion #4370 #4438
Fixed moving multiple tilemap layers at the same time #3144
Fixed right click action with shading ink is selected #4520
Fixed bug where the first mouse click after a Ctrl+Z was ignored if we had Ctrl key configured to drag the “Brush Size” t/22112 #4484
Fixed duplicate items in keyboard shortcuts list #4387
CLI: Fixed exporting Sprite Sheet with group names #4456
Lua API:
- New app.fgTile/bgTile properties to get/set the foreground/background tile #4403
- Added Site.tilemapMode property
- Added x and y params to app.command.Paste()
- Fixed app.command.Cut/Paste in -batch mode #4354
- Fixed app.command.Cancel() command when used from scripts
- Fixed default color/bgColor params in app.useTool()

Aseprite v1.3.9.1:

Fixed regression breaking linked cels on “Merge Down” #4685
Fixed transparency issues with new color criterias #4686

How to update Aseprite

Discuss in the Community site

Aseprite v1.3.8

Tue, 20 Aug 2024 00:00:00 +0000

Hi asepriters! A new Aseprite v1.3.8 version with several bug fixes is available just right now. We have plans to release a new beta version with a few new features soon.

Aseprite v1.3.8:

New help button “?” in some windows with associated docs #1980
Reset mask when clicking outside of bounds with the magic wand tool #4490
Added new popup menu in the new frame + button in status bar (thanks to @ckaiser)
Disable stabilizer when previewing a straight line using Shift key with Pencil tool #4217 (thanks to @belchiorg)
Show relative path when exporting sprite #4059 (thanks to @gui-marc)
Don’t allow to install third-party themes that override the default one #4226
Fixed slice order in File > Export > Export As > Area #4521 (thanks to @requizm)
Fixed mipmaps options when downsampling on zoom out #4317
Fixed pixel-perfect option in Contour tool after a straight line #4256)
Added opacity field when exporting cel information in JSON files (thanks to @requizm)
Windows: Fixed possible issues between mouse cursor <-> stylus cursor for live streaming/zooming #4539
CLI:
- New -play-subtags option to save animations using subtags/repeats #4297
- New -list-layer-hierarchy option (thanks to @requizm)
Lua:
- Fixed Image:resize() in some cases #4487 (thanks to @requizm)
- Fixed comparing integers and floating points #4516
- Fixed default blending mode for Image:drawImage() when used in indexed mode #4531
Fixed crashes #2274, #4146, #4352, #4375, #4476, #4481, #4530

Aseprite v1.3.8.1:

Avoid loading current dithering matrix on each mouse move (related to #4174)
Fixed New Frame button in the status bar (the little “+” icon) for existing third-party themes #4609
Windows:
- Fixed saving files to network paths #4608
- Fixed File > Export > Export As when exporting files to other drive #4607

How to update Aseprite

Discuss in the Community site

Aseprite v1.3.7

Tue, 21 May 2024 00:00:00 +0000

Hi asepriters! We are releasing a minor Aseprite v1.3.7 version with important fixes:

Allow backslash (\) in filenames on Linux and macOS #3936
Fixed nested ping-pong tags #4271
Fixed wrong alignment between mouse and sensor threshold position #4428
Fixed painting with right-click with custom brush paints with background color #4013
macOS: Fixed memory leak copying & pasting images (probably #4251)
Lua API:
- New app.os object
- Added recent parameter to SaveFile/ExportSpriteSheet commands to avoid adding the file to the list of recent files
- Disable progress bar in commands that can receive ui=false #4165
- Fixed bugs handling errors inside app.transaction() #3276 #4431
- Fixed return values of os.execute()
- Ask permissions for io.popen()/lines()/input()/output() functions

There is no beta version available yet, but soon we’ll try to release new features there.

How to update Aseprite

Discuss in the Community site