- Added 2 new notelock algorithms: McOsu, osu!lazer 2020 (Karoo13's algorithm)
- Added option "Select Notelock" (Options > Gameplay > Mechanics)
- Added support for ranking-perfect (skin element for full combo on ranking screen)
- Added "FC" text after 123x to indicate a perfect full combo on highscore and top ranks list
- Added ConVar: osu_slider_end_miss_breaks_combo
- Updated osu_drain_lazer_break_before and osu_drain_lazer_break_after to match recent updates (Lazer 2020.602.0)
- Updated hp drain type "osu!lazer 2020" for slider tails to match recent updates (Lazer 2020.603.0)
- Updated scrubbing to cancel the failing animation
- Fixed "Quick Load" keybind not working while in failing animation
- Fixed very old beatmaps not using the old stacking algorithm (version < 6)

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Older notable changes from versions 31.01 - 31.09 (which did not get an event post here):

- Added new HP drain algorithm: osu!lazer 2018
- Added option "Kill Player upon Failing" (Options > Gameplay > Mechanics)
- Added new search keywords: opm, cpm, spm, objects, circles, sliders (objects/circles/sliders per minute, total count)
- Added support for fail-background (skin element)
- Windows: Added option "Audio compatibility mode" (Options > Audio > Devices)
- Improved osu!.db database loading speed
- Improved scroll wheel scrolling behavior
- Increased maximum file size limit from 200 MB to 512 MB (giant osu!.db support)

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(As always, if I broke something with this update, you can go back to the previous version via the "Beta" tab in the right-click properties of the game in your library)