Release notes

Changes in each version of SqPaint.

Ver. 0.9.0 (October 25, 2026)

Changes

Added English as a language option.
Added a feature for showing a reference image behind the canvas.
Improved the feature for picking colors from anywhere on the screen.
- Removed a slight color error.
- You can now also confirm with the Enter key.
- Moving things on the screen (such as videos) no longer stop while picking a color.
When copying and pasting images between SqPaint and other paint software, transparency is now kept in most cases. (If the other software supports it.)
Changed the keys that can be used for shortcut keys.
- Now available: F13 to F24
  No longer available: Esc, CapsLock, Windows, Menu
Changed the display options for the pixel grid.
- Old: On / Off
  New: Always / Only with reference image / Never
Usability improvements
- The Layers, Palette, Cel Animation, and Sprite Animation panels now scroll automatically to keep the selected item in view.
- You can now drag starting from a layer's eye icon or check icon to change the visibility or selection of multiple layers at once.
Changed the UI design.
Other minor changes.

Bug fixes

Fixed a bug where colors were not adjusted to the destination canvas's palette when copying a selection or layers and pasting them into another canvas.
Fixed several crashes caused by specific operations.
- Entering two spaces in the color code
- Making a Color panel in a separate window extremely small while the Color Wheel is selected
- Pasting a copied sprite into a canvas with no sprites
- Copying multiple cels that were duplicated as linked cels from the same cel and pasting them into another canvas
- Dragging a tab while the canvas tab list is extremely small
Fixed a bug where the app became unresponsive when opening a file by drag and drop while most operations are disabled (during animation playback, transforming a selection, changing the grid size, changing the canvas size, shifting colors, or adding sprites).
Fixed incorrect behavior when closing the selection Transform window with the × button.
Fixed incorrect behavior when closing the Track Settings window with the × button.
Fixed a bug where turning on the Paint Bucket Tool's Current layer only option filled the wrong area.
Fixed a bug where the Paint Bucket Tool ignored the target layer's Lock Transparent Pixels setting.
Fixed a bug where cels in the second and later tracks were not created when using New from Clipboard after copying cels from multiple tracks.
Fixed incorrect behavior when choosing Cut from the Layers panel's context menu while there is a selection.
Fixed a bug where layer clipping was sometimes displayed incorrectly.
Fixed a bug where the numbers in file names were sometimes wrong when exporting an image sequence.
Fixed a bug where only one image was saved when exporting an image sequence with a "." in the file name.
Fixed a bug where semi-transparent parts became darker when loading an image.
Fixed a bug in the Palette, Layers, and Cel Animation panels where simply clicking near the edge, without dragging, scrolled the list.
Fixed a bug where Shift+clicking the selected sprite selected all the sprites after it.
Fixed several memory leaks.
Other minor fixes.

Ver. 0.8.2 (September 24, 2026)

Changes

An icon menu now appears when there is a selection.
Other minor fixes.

Bug fixes

Fixed a crash when selecting a frame out of range in cel animation.
Fixed a bug where sprite animation playback was not shown in the Preview panel in certain situations.
Fixed a bug where the layer selection was not restored when undoing after deleting a cel.
Fixed a bug where the minimum canvas size in the New Canvas window was 2px. (2px → 1px)
Fixed a bug where Paste as New Layer was labeled as Paste in the keyboard shortcut settings.
Fixed a bug where the sprite list was not shown correctly in certain situations.
Fixed a bug where the leftmost and topmost lines of the grid were sometimes not shown.
Fixed a bug where sprites shown in the preview were sometimes off by 1px.

Ver. 0.8.1 (August 30, 2026)

Changes

Removed the number boxes from the HSV box.
The size of the selection is now shown in the lower right of the screen.
The context menu can now be opened even when there is no selection.
Other minor fixes.

Bug fixes

Fixed a bug where the clickable area for selecting text in number boxes was too narrow.
Fixed a bug where the color selection cursor had the wrong color in dark mode.
Fixed a display glitch when picking a color from the canvas tabs while picking colors on the screen.

Ver. 0.8.0 (August 18, 2026)

Changes

Added a feature for picking colors from anywhere on the screen.
You can now specify colors with a color code.
Added the HSV box as a color selection method.
When pasting a selection, it is now moved to the center of the screen if it would be pasted off-screen.
Improved performance.

Bug fixes

Fixed a memory leak when changing the canvas size.
Fixed a bug where the preview was not updated correctly when changing the canvas size while showing sprites in the preview.
Fixed a bug where the brush was shown outside the area while showing sprites in the preview.
Fixed a bug where the opacity bar for the grid color in Editor Settings was not shown.
Fixed a bug where the Preview panel menu sometimes did not disappear after the cursor left the panel.
Fixed incorrect zoom behavior in the preview.
Other minor fixes.

Ver. 0.7.1 (August 8, 2026)

Changes

Added the Selection Eraser tool.
Track setting changes are now applied in real time.
Added a slider for adjusting the cel size.
You can now set the default cel name.
You can now adjust the display size of the sprite list with the cursor.
You can now choose whether to show the brush in the preview.
Added Expand All and Collapse All buttons to the keyboard shortcut settings.

Bug fixes

Fixed minor UI issues.
Fixed a bug where the selection shifted when changing the canvas size.
Fixed a bug where key controls did not work while transforming a selection.
Fixed display glitches in certain situations.
Other minor fixes.

Ver. 0.7.0 (July 25, 2026)

Changes

Rebuilt everything from scratch.
- As a result, the look and feel have changed slightly throughout.
- Startup is much faster.
- The file size is smaller. (177MB → 42.7MB)
- The cursor and icons now look sharp on high-DPI displays.
Renamed frame animation to cel animation, and made it possible to stack multiple tracks.
Removed the Sprite Player panel and merged its features into the Preview panel.
You can now transform a selection with the cursor.
The rectangle tools can now draw rounded corners.
You can now load and save webp images.
Moved the canvas name tabs from the bottom to the top.
Shift Color Indices can now be used even when there is no selection.
- As a result, it moved from the Select menu to the Edit menu.
You can now choose Solid or Dashed for the grid line style.
The movement amount of the Move Tool is now shown in the status bar.
Made the palette selection easier to see.
Adjusted the colors of dark mode.

Bug fixes

Fixed a bug where the Magic Wand did not work while a folder was selected.
Fixed a bug where the selection border disappeared while shifting color indices.
Other minor fixes.

Ver. 0.6.2 (January 8, 2026)

Changes

Changed the cursor for the palette selection to one that is easier to see.

Ver. 0.6.1 (January 3, 2026)

Changes

Added Clear Image.
You can now zoom and flip the view horizontally from the menu at the top.
When creating a canvas, it is now shown at a zoom level that fits the window size.
Zooming with shortcut keys now centers on the cursor position.
Separate windows such as Canvas Size now always appear on the same display as SqPaint.

Bug fixes

Fixed a bug where the Canvas Size window appeared in the wrong position.

Ver. 0.6.0 (December 30, 2025)

Changes

You can now customize shortcut keys.
You can now save palettes as templates.
Added a Restore Defaults button to Editor Settings.
Changed how to select in the palette.
- Old: Shift to add to the selection
  New: Ctrl to add to the selection, Shift to select a continuous range
You can now set the size of each palette color to shapes other than squares.
The cursor now changes shape when hovering over the palette selection.
Removed the palette WASD key controls from the Palette panel's kebab menu. (The feature itself has not been removed.)

Bug fixes

Fixed a crash when deleting the selection while a layer folder is selected.
Fixed a bug where deleting the selection with multiple layers selected applied to only one layer.
Fixed a crash when copying a selection and pasting right away while a folder containing only one layer is selected.
Fixed a bug where nothing happened when deleting the selection while an empty folder is selected.
Fixed a bug where the canvas did not close after saving from the save confirmation shown when closing a modified canvas.
Fixed a bug where the canvas closed when choosing Save in the confirmation shown when closing an unsaved canvas and then clicking Cancel in the save dialog.
Fixed a bug where the Cancel button was not shown in the confirmation dialog when a file with the same name exists during animation export.
Fixed a bug where the file path shown when hovering over a canvas tab was not updated after it changed.
Fixed New from Clipboard so that the canvas is initially shown in the center.
Fixed a bug where files could not be opened by dragging and dropping canvases or images onto the executable if the file path contained multibyte characters.
Other minor fixes.

Ver. 0.5.1 (November 29, 2025)

Changes

The tool buttons are now separated into categories by divider lines.
Moved Show Preview in the header menu from Window to View.
Renamed Window in the header menu to Settings.

Bug fixes

Fixed a bug where the Color Wheel's kebab menu opened in the wrong position.
Fixed a bug where the highlight frame of the color selection panel was not shown when changing the layout.
Fixed a bug where the title bar text of the Layout Settings window was not shown.

Ver. 0.5.0 (November 23, 2025)

Changes

You can now choose a selection mode (new, add, subtract, intersect) for selections.
Added Screen to the layer blend modes.
Added RGB and HSV as color selection methods.
You can now select two colors: a main color and a sub color.
- The sub color is hidden by default.
Added Paint with sub color to the right-click actions for drawing tools.
You can now swap the main color and the sub color with the X key.
With the shape tools, you can now hold Shift while dragging to draw a square.
With the Rectangular Marquee Tool, you can now hold Shift while dragging to select a square.
You can now change the colors of the transparency checkerboard.
You can now change the color of the pixel grid.

Bug fixes

Fixed a bug where the Delete Frame and Delete Sprite buttons did not work.
Fixed a bug where the Flip horizontal and Flip vertical checkboxes were not shown in the selection Transform window.
Fixed a display glitch in the direction buttons of the Canvas Size window.
Fixed an error when pressing keys with no canvas open.
Fixed a bug where pressing the Tab key temporarily disabled shortcut keys.
Fixed incorrect results from certain operations when resizing panels.
Fixed a bug where resizing a panel could push it off the screen.
Fixed a bug where Restore Defaults in Layout Settings did not work correctly on high-DPI displays.
Fixed a bug where, after using Invert Selection with the whole canvas selected, the menu was shown as if a selection still existed even though it had been cleared.
Fixed a bug where the selection was shown 1px off while the canvas view was flipped.
Other minor fixes.

Ver. 0.4.0 (September 30, 2025)

Changes

You can now change the canvas size with the mouse as well.
Removed the palette tool "Selection (Cut)" to reduce complexity.
- You can do the same with Duplicate or Cut → Paste.
Sprite animations can now also be exported as an image sequence.
A message is now shown at the top of the canvas when adding sprites.
The canvas size is now shown in the status bar (at the bottom of the window).
Slightly improved startup speed.

Bug fixes

Fixed a bug where the image was not restored correctly when undoing after changing the canvas size.
Fixed a bug where undo did not work correctly after changing the settings of multiple layers in a row.
Fixed a bug where undo did not work correctly after moving multiple layers in a row with the Move Tool's keyboard controls.
Fixed a bug where undo did not restore the sprite size correctly in certain situations.
Fixed a bug where shortcut keys could be used while changing a palette color.
Fixed a bug where shortcut keys could be used while changing layer opacity.
Fixed display glitches on the canvas in certain situations.
Fixed a bug where copying the palette did not work correctly in certain situations.
Fixed a bug where the selection's Transparent option was not applied correctly at startup.
Fixed a display glitch in the palette selection on high-DPI displays.
Other minor fixes.

Ver. 0.3.1 (August 9, 2025)

Changes

You can now show a pixel grid.
- Location of the setting: Editor Settings → Canvas (Display) → Pixel grid

Bug fixes

Fixed a display problem when switching tools with shortcut keys while using a tool.
Other minor fixes.

Ver. 0.3.0 (July 19, 2025)

Changes

The title is now the official name. (Sprite Editor (tentative) → SqPaint)
You can now customize the screen layout.
You can now control the preview camera.
You can now switch the selection between transparent and opaque.
Descriptions are now shown when hovering over tool options.
Added a context menu to the canvas tabs.
Adjusted the colors of dark mode.
Other minor fixes.

Ver. 0.2.0 (June 28, 2025)

Changes

You can now change tools with shortcut keys.
Added the Scroll Tool and the Zoom Tool.
You can now export images at a larger scale.
The Move Tool now supports keyboard controls.
Reduced startup load.
SqPaint can no longer be started twice at the same time.
Changed the file structure to make the executable easier to find.

Bug fixes

Fixed layout glitches on high-DPI displays.
Fixed the grid snap detection being off by 1px.
Fixed the view position shifting when resizing the canvas.
Other minor fixes.

Ver. 0.1.0 (June 14, 2025)

Released