[Improved Points]

• Changed the maximum thickness of Dip Pen(Soft), Pencil(#1) and Pencil(#2) to 120px.
• (ibisPaint X Only)Changed a label of the button which plays a video "Watch videos to get free!".
• Improved the problem that changing the font color or the stroke color becomes too slow on slow devices.

 [Fixed Bugs]

• Fixed the bug that a part of the layer is rotated and an artwork is broken. (Except for already broken artworks)
• Fixed the bug that an angle of the brush or the direction of the stamp brushes are different by a 90 degrees unit on playing or uploading an artwork.
• Fixed the bug that the brush parameters of right two columns of the stamp brush "Heart" is not follow the direction of drawing if the app was updated from ver.3.7.1 or earlier to ver.4.0.0 or later.
• Fixed the bug that the brush parameters of right two columns of some stamp brushes is not shifted by a half angle if the app was updated from ver.3.7.1 or earlier to ver.4.0.0 or later.
• Fixed the bug that the most materials are inverted vertically.
• Fixed the bug that the color of the quick color picker is not set to the opacity slider.
• Fixed the bug that the app freezes if the button of the tool selection popup is pressed long with the Apple Pencil.
• Fixed the bug that the app freezes during the process if the canvas is zoomed or rotated or moved with the Apple Pencil and the finger.
• Fixed the bug that the app crashes if Brush/Eraser Toggle button is pressed while adding text popup is displayed.