Upgrade to ebiten v2.4.2, which supposedly improves both app startup time.
Round the corners of most UI elements and put gradient backgrounds on several screens, to be easier on the eyes.
Switch default renderer to OpenGL on windows, it seems to get significantly better performance in remake in testing.
Fix issue where 'buggy speed' change warning appeared to new players who had never experienced the old versions with weird speed.
When hitting slash to show debug info, display graphics library used as well (OpenGL/DirectX/Metal).
Add new -opengl commandline switch to force game into opengl render mode, and -directx that forces directx (only applies to windows version).
Original: Fix rare race condition where item farm rate measurements would skip updating as expected if you had multiple changes going in at around the same time.
Original: Performance improvements.
Modernize demo to support multiple save states, and begin shipping demo version again.