Invoice #96498 to ppy

[1h] Investigate and fix cause of blueprints sometimes not found in container (https://github.com/ppy/osu/pull/20009)

[15m] Review "Add ruleset API versioning" (https://github.com/ppy/osu/pull/19907)

[15m] Final review of "Fix beatmap carousel not maintaining selection if currently selected beatmap is updated" (https://github.com/ppy/osu/pull/19409)

[1h] Review "Update IContainer interface to add explicit disposal argument on Remove methods" (https://github.com/ppy/osu-framework/pull/5382)

[30m] Review "Fix gameplay skipping forward during resume operation" (https://github.com/ppy/osu/pull/20014)

[1h] Review "Update Remove/RemoveRange/RemoveAll calls in line with framework changes" (https://github.com/ppy/osu/pull/19971)

[1h] Review "Add ability to delete difficulties from the editor" (https://github.com/ppy/osu/pull/19413)

[30m] Review "Refactor TrueGameplayRate to account for only gameplay adjustments, no matter what" (https://github.com/ppy/osu/pull/20157)

[30m] Review "Add ability to delete difficulties from the editor" (https://github.com/ppy/osu/pull/19413)

[30m] Review "Refactor TrueGameplayRate to account for only gameplay adjustments, no matter what" (https://github.com/ppy/osu/pull/20157)

[1h] Apply changes to "Fix best rank badge not handling legacy scores properly" (https://github.com/ppy/osu/pull/19308)

[2h] Gather pieces for in-game leaderboard support (https://github.com/ppy/osu/pull/5446#issuecomment-1241731444)

[30m] Investigate beatmap listing potentially showing same song twice (https://github.com/ppy/osu/issues/20170)

[30m] Fix osu! using different markdown extensions from web

[2h] Investigate and fix beatmap listing potentially showing same beatmap twice (https://github.com/ppy/osu/pull/20273)

[15m] Review "Fix new-style legacy skins with animated judgements not adding correct transforms" (https://github.com/ppy/osu/pull/20260)

[1h] Review "Simplify skin bindable flow" (https://github.com/ppy/osu/pull/20264)

[30m] Review "Fix dropdown selected visual state not being maintained when Items are set after Current" (https://github.com/ppy/osu-framework/pull/5401)

[15m] Review "Fix PoolableDrawable prepare call schedules potentially creating overhead if drawable never updated" (https://github.com/ppy/osu-framework/pull/5409)

[2h] Add category-specific sort criterias (https://github.com/ppy/osu/pull/20317)

[3h] Improve tablet error notifications (https://github.com/ppy/osu/issues/20324)

[45m] Apply changes to "Forward tablet driver output to custom logging target" (https://github.com/ppy/osu-framework/pull/5421)

[15m] Review "Expose TextureAtlas.Add()" (https://github.com/ppy/osu-framework/pull/5403)

[30m] Review "Add basic gameplay leaderboard display" (https://github.com/ppy/osu/pull/20286)

[15m] Review "Fix notification count not always updating when it should" (https://github.com/ppy/osu/pull/20339)

[15m] Review "Rename default skin to make way for new version" (https://github.com/ppy/osu/pull/20354)

[15m] Review "Fix notification count not always updating when it should" (https://github.com/ppy/osu/pull/20339)

[30m] Investigate tablet null reference (https://github.com/ppy/osu-framework/issues/5423)

[30m] Review "Rename default skin to make way for new version" (https://github.com/ppy/osu/pull/20354)

[1h] Review "Add basic gameplay leaderboard display" (https://github.com/ppy/osu/pull/20286)

[15m] Fix progress notification closing on click (https://github.com/ppy/osu/pull/20383)

[36.5h] Continue reimplementing Veldrid (fixed `Initialise` called at wrong thread, replace `IGraphicsBackend` logic with renderer, make `IRenderer` implementations pleasent to the eyes, implement color write masking for front-to-back support, implement framebuffer for renderer)