Actual bugs
https://bugs.kde.org/show_bug.cgi?id=355976 "Brush stroke signal lost with krita-lod-unstable"
https://bugs.kde.org/show_bug.cgi?id=356086 "Double-sized ghost of previous frame when moving a layer with the onion skin enabled"
https://bugs.kde.org/show_bug.cgi?id=356058 "Krita Animation Beta - Frame Ranges Cannot Be Selected With Graphic Tablet Stylus"
https://bugs.kde.org/show_bug.cgi?id=356056 "Krita Animation Beta - Ctrl+drag to Copy Single Animation Frame Not Working"
https://bugs.kde.org/show_bug.cgi?id=355913 "2.9.9.2 AE Beta: Inherit Alpha, Alpha locked and Onion skins can't be manipulated on Timeline docker and Layer docker in Japanese (probably other languages)"
Feature request
https://bugs.kde.org/show_bug.cgi?id=356072 "copy paste or frames in any frame of choice"
https://bugs.kde.org/show_bug.cgi?id=356059 "Krita Animation Beta - Wrap-around Frame Scrubbing"
Fixed:
https://bugs.kde.org/show_bug.cgi?id=356540 "Krita Animation Beta - Moving First Frame Leaves Behind Blank Frame Instead of Empty"
https://bugs.kde.org/show_bug.cgi?id=355968 " Moving a layer then undoing the move places the layer on the wrong location"
https://bugs.kde.org/show_bug.cgi?id=356057 "Krita Animation Beta - First Frame Cannot Be Moved or Copied"
https://bugs.kde.org/show_bug.cgi?id=355933 "Krita animation beta - crop tool moves drawings around on multiple frames"
https://bugs.kde.org/show_bug.cgi?id=356251 "[Krita animation beta] Merging layers (merge undo as well) with animation does not work"
https://bugs.kde.org/show_bug.cgi?id=356007 "Converting color space overwrites undo history"
https://bugs.kde.org/show_bug.cgi?id=356256 "[Krita animation beta] Copying frame offsets the image to original position"
https://bugs.kde.org/show_bug.cgi?id=356350 "2.9.9 Animation Beta - Duplicating animated layers only creates new static layer"
https://bugs.kde.org/show_bug.cgi?id=356249 "[Krita animation beta] File not storing animation end frame number."
https://bugs.kde.org/show_bug.cgi?id=356169 "After cropping an animation, Krita is unable to get me to other frames"
https://bugs.kde.org/show_bug.cgi?id=356245 "[Krita Animation Beta] Animation playback behaves differently when moving the brush tool on the canvas."
https://bugs.kde.org/show_bug.cgi?id=356247 "[Feature Request Krita Animation] There is no simple way to import image sequences."