New

Key viewer: will show the keys you press. You can change the position using note offset.
Added "callback" and "repeater" to Modchart functions in Lua.
Added more options to Modchart settings.
Added more debug text to FPSCounter (just press F4 on PC or the D button on Android).
New Gameplay Changers (Opponent Mode, No Drop Penalty, Perfect Only).
You can choose your default accuracy system. ITG, Psych, DJMax, Wife3, osu!, Simple
Added the songs "erect" and "nightmare," BUT without stages and events, only levels
Support for NotITG levels (without modifiers) and Stepmania, includes UI
Android support
Added the "miss" and "combo broken" sprites
Added the option for "bad" and "shit" to break the combo
New VideoSprite functionality with optimized hxvlc
New shader compatibility depending on your graphics card

Fixed

Broken links in the Modcharts documentation
Incorrect state changes when using ModState (sometimes causing the screen to go black or when exiting Results State)
The MP4Handler wrapper will no longer show many traces
Incorrect graphics in Modcharts
Fixed the VideoHandler wrapper that caused the volume to not work or loop at the end of the video
The watermark will maintain its fixed size
The skin of Notes: NotITG will maintain its color without RGB; it will not affect the use of RGB when changing the skin during gameplay.
Expanding the debug view fully will no longer drop FPS.
Fixed the crash handler that was not displaying the full error message.
Fixed the Windows and window resizing functions that were causing incorrect resizing.

The version will no longer be displayed along with the time. Only the version and song title will be shown at the top, more discreetly, but not the time.

You can add your charts to the sm folder; it will automatically load the songs, and you can play them.
Backgrounds will be applied automatically.

The new features for Lua video playback are:

Full Changelog: v0.8.5...v1.0