The mnemonics character '&' was read out by screen readers in most of the Preferences choices.Playback and rendering was significantly inaccurate, creating audible and visual glitches.Loop Play of a speeded-up track inserted silence.This allowed export of small invalid files. Export Multiple didn't prevent export if there was no audio or all audio was muted.Crash using Repair if the selection extended into an empty track.Crash using Undo whilst time-shifting a track.