ppy/osu-framework

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A game framework written with osu! in mind.

Stars: 2k
Forks: 501
Open beginner issues: 1
Indexed issues: 329
Avg merge: 2d 15h
Merged PRs (30d): 15

Dominant language: C#
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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329 open issues indexed

SDL3 default breaks Wayland mid-game on NVIDIA (regression, looks like #6746) Open

platform:linux

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ppy/osu-framework#6758 · 3 comments · Opened May 23, 2026
Osu sometimes won't open after SDL3 was enabled Open

platform:linux

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ppy/osu-framework#6750 · 3 comments · Opened May 12, 2026
Can't click with tablet pen after SDL3 was enabled Open

area:input platform:linux

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ppy/osu-framework#6749 · 8 comments · 1 reaction · Opened May 12, 2026
osu.Framework.Platform.SDL3.SDL3Exception: Invalid pen instance ID (at SDL_GetPenDeviceType(evtPenProximity.which)) Open

area:input type:reliability

Difficulty 3/5 1-2 days Newbie friendliness 48/100

ppy/osu-framework#6747 · 5 comments · Opened May 11, 2026
Always use a global mixer Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

ppy/osu-framework#6697 · 2 comments · Opened Jan 11, 2026
Sample latency variance Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ppy/osu-framework#6650 · 4 comments · 2 reactions · Opened Oct 15, 2025
Enable other WMV decoders in ffmpeg Open

area:video

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ppy/osu-framework#6625 · 7 comments · 1 reaction · Opened Aug 19, 2025
`GameThread.Clock.CurrentTime` is set at the end of a frame Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

ppy/osu-framework#6602 · 5 comments · Opened Jul 3, 2025
The `Game.Window.Resizable` setter on Android causes unexpected screen rotation Open

platform:android

Difficulty 5/5 Over a week Newbie friendliness 25/100

ppy/osu-framework#6577 · 1 comment · Opened May 19, 2025
Orientation settings in MAUI Android are not working Open

platform:android

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6576 · 1 reaction · Opened May 19, 2025
Android window is always fullscreen Open

platform:mobile

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ppy/osu-framework#6546 · 1 comment · Opened Mar 5, 2025
SDL3 blockers Open

broken-in-sdl epic

ppy/osu-framework#6540 · 2 comments · 1 assignee · Opened Feb 25, 2025
SDL clipboard implementation is potentially unsafe Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6538 · 3 comments · Opened Feb 24, 2025
`ScreenStack` likely removes screens one frame too early Open

area:screens

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6518 · 1 comment · Opened Jan 31, 2025
`PassThroughInputManager` applies mouse release input without providing source context (i.e. whether it comes from a pen) Open

area:input

Difficulty 5/5 Over a week Newbie friendliness 25/100

ppy/osu-framework#6508 · Opened Jan 24, 2025
Transforms with high loop counts cause excessive overhead when rewind is enabled Open

area:transformations priority:1 type:performance

Difficulty 4/5 3-5 days Newbie friendliness 52/100

ppy/osu-framework#6491 · 1 comment · Opened Jan 14, 2025
Using `Loop` to create a loop in the past doesn't work as expected Open

area:transformations

Difficulty 3/5 1-2 days Newbie friendliness 52/100

ppy/osu-framework#6482 · Opened Jan 2, 2025
[D3D11 non-deferred] Second uniform block does not contain proper values Open

area:graphics renderer/directx

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ppy/osu-framework#6429 · Opened Nov 17, 2024
Buffered container currently reallocates its backing texture every time it's resized Open

area:graphics type:performance

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ppy/osu-framework#6400 · Opened Oct 25, 2024
Border smoothness is lost on Android devices Open

area:graphics

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6274 · 1 comment · Opened May 1, 2024
Flickering on fullscreen Vulkan (AMD gpu, Windows) Open

area:renderer-deferred area:renderer-veldrid

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ppy/osu-framework#6236 · 1 comment · Opened Apr 8, 2024
Consider using `WS_EX_NOREDIRECTIONBITMAP` Open

platform:windows type:performance

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6230 · 1 comment · Opened Mar 28, 2024
Implement `CADisplayLink` on macOS for potentially better frame timing Open

platform:macOS type:performance

Difficulty 5/5 Over a week Newbie friendliness 20/100

ppy/osu-framework#6217 · 1 comment · Opened Mar 16, 2024
Allow custom clear color for the window background Open

area:graphics

Difficulty 5/5 Over a week Newbie friendliness 30/100

ppy/osu-framework#6205 · 5 comments · Opened Mar 6, 2024
Game window sometimes does not respond to window size changes Open

area:platform platform:macOS

Difficulty 4/5 3-5 days Newbie friendliness 28/100

ppy/osu-framework#6183 · Opened Feb 18, 2024
`CancellationToken` should probably always be present in BDL calls Open

area:dependency-injection

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ppy/osu-framework#6157 · Opened Jan 29, 2024
Investigate receiving input without using window event flow Open

area:input type:performance

Difficulty 5/5 Over a week Newbie friendliness 25/100

ppy/osu-framework#6141 · 3 comments · Opened Jan 18, 2024
`LastDisplayDevice` being overridden on game startup in Borderless and Fullscreen modes, based on the window position and size from Windowed mode Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ppy/osu-framework#6134 · Opened Jan 14, 2024
Only allow one drag event at a time Open

area:input

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

ppy/osu-framework#6102 · Opened Jan 3, 2024
iOS window losing focus (popup or suspend) doesn't update game active state Open

platform:iOS priority:1

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6084 · Opened Dec 23, 2023
DirectorySelector fails to enumerate `~/Library/Application Support` directories Open

area:platform platform:macOS type:reliability

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ppy/osu-framework#6082 · Opened Dec 21, 2023
Window forgets unmaximized size when leaving borderless mode (while maximized) Open

platform:windows priority:1

Difficulty 3/5 1-2 days Newbie friendliness 42/100

ppy/osu-framework#6043 · Opened Nov 9, 2023
TriggerPressed/Released doesn't follow propogation expectations. Open

area:input priority:1

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6037 · Opened Oct 27, 2023
Game won't launch in Android Emulator: `DllNotFoundException: libveldrid-spirv` Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

ppy/osu-framework#6028 · 2 comments · Opened Oct 13, 2023
Add hardware decoding support on Linux platforms (VA-API, VDPAU) Open

area:libraries area:video platform:linux

Difficulty 5/5 Over a week Newbie friendliness 25/100

ppy/osu-framework#6025 · 4 reactions · Opened Oct 12, 2023
System-wide iPad gestures produce a click event on activation Open

area:input platform:iOS

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#6008 · 5 comments · Opened Sep 28, 2023
`TextureAtlas` isn't using space efficiently Open

type:performance

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#5986 · 1 comment · Opened Sep 8, 2023
Consider adding AV1 support to the VideoDecoder Open

area:video

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ppy/osu-framework#5971 · 2 comments · Opened Aug 19, 2023
Scissor and Viewport usage order matters with `GLRenderer` Open

area:renderer-gl priority:1

Difficulty 3/5 1-2 days Newbie friendliness 50/100

ppy/osu-framework#5951 · Opened Jul 28, 2023
Dependency injection SGen should analyse incorrect usages of Cached/Resolved Open

area:dependency-injection

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ppy/osu-framework#5939 · Opened Jul 20, 2023
iOS system paste always prepends a space on textboxes Open

platform:iOS priority:0

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ppy/osu-framework#5934 · 2 comments · Opened Jul 19, 2023
Freeing buffers on Metal can be slower than expected Open

area:renderer-veldrid

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ppy/osu-framework#5885 · 1 comment · 1 reaction · Opened Jul 3, 2023
Tablet output area is not properly configured when moving the window between hdpi and ldpi display Open

area:platform platform:macOS

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ppy/osu-framework#5882 · 2 comments · Opened Jul 2, 2023
Stencil isn't working on Veldrid renderers Open

area:renderer-veldrid priority:0

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ppy/osu-framework#5858 · 1 comment · Opened Jun 21, 2023
`Dropdown<T>.GenerateItemText` flow needs reassessment Open

area:UI proposal type:reliability

Difficulty 5/5 Over a week Newbie friendliness 25/100

ppy/osu-framework#5851 · Opened Jun 19, 2023
`GameHost.MaximumDrawHz` should be changed on macOS/iOS inline with display link support Open

platform:iOS platform:macOS priority:1

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#5848 · 3 comments · Opened Jun 18, 2023
Be able to prevent player from opening draw visualizer Open

area:tooling

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ppy/osu-framework#5827 · 1 comment · Opened Jun 9, 2023
`PopoverContainer` should probably borrow dependencies from its `target` Open

area:dependency-injection area:drawable priority:3

Difficulty 5/5 Over a week Newbie friendliness 30/100

ppy/osu-framework#5818 · Opened May 31, 2023
A way to make dependency requirements a bit more visible Open

area:dependency-injection proposal

Difficulty 5/5 Over a week Newbie friendliness 25/100

ppy/osu-framework#5817 · Opened May 30, 2023
Android templates are missing from template projects Open

area:tooling priority:1

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ppy/osu-framework#5811 · 1 reaction · Opened May 25, 2023

ppy/osu-framework

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