Fixed a bug where the app could freeze when touch operations overlapped with drawing processing. Fixed an issue where the app could sometimes crash after being used for a long time.

Improved the stability of pen input handling.

Improved the stability of touch and pen input handling.

Improved the stability of the drawing engine.

ver.2.2.0 Fixed multiple bugs and improved stability. Improved the quality of halftone tones. Added new language resources. Implemented a navigator panel. Added support for Simplified Chinese, Korean, German, Spanish, and Brazilian Portuguese. Fixed an issue where sharing images to 1BitPencil from other apps could sometimes fail.

Fixed an issue with window resizing in iPadOS 26. Reduced the app's power consumption. Adjusted the UI layout.

Fixed the behavior when executing a process from the context menu by long tapping a file in the gallery.

Improved drawing quality of kneaded eraser. Improved speed and behavior of density correction paste. Improved speed on older iPads. Fixed an issue where a vertical line was drawn on the right edge when pasting the selected range. Fixed the behavior when drawing outside the canvas with a mechanical pencil. Improved the drawing feel when the iPad is in low power mode.

Fixed an issue where line drawing delay worsened on models other than the iPad Pro.

Improved the operating speed on the 6th generation iPad. Fixed several issues with the canvas display.

Fixed a serious bug that caused the app to fail the initialization process on the 6th generation iPad, displaying only the UI and rendering the app unusable. Speeded up the file list acquisition process.

Fixed a bug that caused the app to become inoperable when continuously tapping files in the gallery. Fixed a bug that caused the app to become inoperable when operating the trace box. Fixed a problem where some templates were missing. APNG has been added to the animation output format. Changed to refresh the file list when switching to the gallery view.

Version 2! New Page Menu UI: one-tap fast page jumping without leaving the canvas Trace Box now shows 3 overlay images (was 2) New animation exporter (.mp4 & .gif) Smudge tool feels even more natural Overall stability improvements and many other tweaks

Fixed a bug where the color picker became unusable.

The conditions for auto-save have been changed to require the app to remain idle for more than 5 seconds and at least 30 seconds to have passed since the last auto-save. Fixed a bug where the app would crash if the swap button in the Trace Box was double-tapped quickly. Fixed an issue where some items were not properly applying language resources. Fixed a bug where the folder selection position in the gallery screen would shift after creating a new folder. Changed the default display order in the gallery to descending by name. Updated the specifications for gallery thumbnail images.

Added a mechanical pencil brush. Fixed an issue where the app would become sluggish for several seconds upon startup, depending on the number of files in the folder. Fixed a bug on the 6th generation iPad where the display position would briefly shift when finalizing an operation with the move, rotate, or scale tool on the canvas.

Improved the speed of thumbnail display in the gallery screen. Changed the underlay display mode in the trace box feature to offer two options: Normal and Multiply. Fixed an issue where the canvas would sometimes not be displayed after executing the swap top and under in the trace box.

We have added an eyedropper tool. Currently, you can use it to pick halftone patterns from the canvas. Fixed an issue where the display position would shift when moving the canvas with pinch gestures.

Adjusted the drawing quality of the pencil tool. Fixed an issue where the app would crash when using the pencil tool. Fixed an issue where the app could crash when opening a file from the gallery.

Fixed an issue where the pen tool could no longer draw lines with a width of 1 pixel.

Fixed language resources.

Stabilized the operation of the Lasso Selection and Lasso Fill tools.

Optimized the pencil tool to reduce unnecessary processing, making the app run more efficiently. Fixed a bug where the hand-shake correction value would reset when launching the app.

Fixed an issue where drawing was sometimes not possible when lowering the pressure sensitivity. Fixed a bug where content from the previous canvas would remain outside the visible area when "New" was executed from the file menu.

Fixed an issue where the lasso selection tool stopped working. Fixed an issue that occurred when entering the brush size directly by numeric input.