I think it's a bug...

About the I think it's a bug... category (1)

Light table showing light table over layers (8)

Infinite "Processing, Please wait..." message, when you try to crop the image with the same size of frame (2)

Pixel Perfect Drawing Not Working With Symmetry (4)

Line Tool Misbehaving in Symmetry Mode (4)

Pixel Preview Inaccuracy in Symmetry Mode (8)

F1 shortcut are a problem (2)

Rotate Brush Changes Color (1)

Save Project does not work on a secondary monitor (11)

Drag Canvas Fails on Hidden Layers (2)

Saving to gif is problematic with effect layers (6)

Tile Map - Some Tiles not placeable (5)

Weird pen bug with display tablet (4)

Freehand pickup single click no longer works (2)

Issue With Eraser Tool / Alpha (2)

Gif shows incorrect palette (5)

Weird bug regarding brush freeform transform (4)

Brush->Make single color reverts to previous primary color (3)

All black colors become transparent (2)

Tips: Missing Text (trivial) (1)

Tile Map TMX export fails to specify renderorder attribute of <map> element (3)

Palette conversion bug (20)

Collection of Small Bugs and Useability Problems (4)

Grid layer always made visible (3)

Palette does not save properly (2)

Issue with colors (2)

Steam version freezing on start up (3)

A couple of minor things (5)

Animation playback problems (4)

Transparency bug (2)