hajimehoshi

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• internal/graphicsdriver/metal, internal/glfw: remove the heap allocations of each frame on macOS

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  os:macos

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

  hajimehoshi/ebiten#3965 · Opened Oct 19, 2026

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• internal/buffered: move pixel buffering to ebiten and unify readback

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  os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox refactoring

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

  hajimehoshi/ebiten#3934 · Opened Oct 12, 2026

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• internal/graphicsdriver/metal: the first draw with a new shader stalls the frame while its library compiles

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  bug os:macos performance

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  hajimehoshi/ebiten#3881 · Opened Oct 7, 2026

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• text/v2: shaping computes glyph extents only bitmap glyphs use, and switching variations discards them

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  bug os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox performance

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

  hajimehoshi/ebiten#3880 · Opened Oct 7, 2026

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• all: complete third-party license and attribution notices

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  bug documentation

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

  hajimehoshi/ebiten#3861 · Opened Oct 5, 2026

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• .github/workflows: run `go test -race` on more platforms

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  os:macos os:windows test

  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  hajimehoshi/ebiten#3851 · Opened Oct 3, 2026

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• all: avoid uintptr-to-unsafe.Pointer conversions flagged by go vet

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  os:freebsd os:ios os:linux os:macos os:windows refactoring

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

  hajimehoshi/ebiten#3850 · Opened Oct 3, 2026

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• vector: use float64 in the public geometry API

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  breaking-change os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox

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

  hajimehoshi/ebiten#3847 · Opened Oct 3, 2026

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• text/v2/internal/chunk: preserve text after bidi paragraph separators

  May be free again A pull request for this issue was closed without being merged. Open

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  bug os:linux

  Difficulty 3/5 1-2 days Newbie friendliness 30/100

  hajimehoshi/ebiten#3833 · Opened Oct 2, 2026

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• text/v2: expose single-face layout runs, geometry, and caret positions

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  feature os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox request

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

  hajimehoshi/ebiten#3806 · Opened Sep 28, 2026

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• internal/shader: make out-of-range shifts and integer division by zero consistent across backends

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  bug os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox

  Difficulty 4/5 3-5 days Newbie friendliness 43/100

  hajimehoshi/ebiten#3791 · Opened Sep 26, 2026

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• internal/shader: check the total uniform size against every backend's limit

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  feature os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox request

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  hajimehoshi/ebiten#3790 · Opened Sep 26, 2026

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• ebiten: deprecate Address to simplify rendering implementations

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  breaking-change feature os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox

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

  hajimehoshi/ebiten#3733 · Opened Sep 19, 2026

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• ebiten: support native Termux with X11

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  feature os:android request

  Difficulty 5/5 Over a week Newbie friendliness 28/100

  hajimehoshi/ebiten#3718 · 1 comment · Opened Sep 17, 2026

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• internal/glfw, internal/ui, internal/gamepad, exp/textinput: Win32 wrappers treat a stale last error as a failure

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  bug os:windows

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

  hajimehoshi/ebiten#3700 · Opened Sep 10, 2026

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• internal/graphicscommand: allocations on graphicscommand.(*drawTrianglesCommandPool).get

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  os:linux os:macos performance

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

  hajimehoshi/ebiten#3699 · 7 comments · Opened Sep 9, 2026

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• audio: InfiniteLoop.rewind does not clear the partial-value remainder, desyncing every subsequent lap

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  bug os:android os:ios os:js os:linux os:macos os:windows

  Difficulty 2/5 1-3 hours Newbie friendliness 70/100

  hajimehoshi/ebiten#3646 · 1 comment · Opened Sep 4, 2026

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• ebiten: reconsider `Monitor` and `AppendMonitors` before `RunGame` in v3

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  bug feature os:freebsd os:linux os:macos os:windows request

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

  hajimehoshi/ebiten#3632 · 1 comment · Opened Sep 3, 2026

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• audio: handle the output delay of a Bluetooth headphone

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  feature os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox request

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

  hajimehoshi/ebiten#3630 · Opened Sep 2, 2026

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• audio: revive the opus package

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  feature os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox request

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  hajimehoshi/ebiten#3622 · 1 comment · Opened Sep 1, 2026

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• internal/ui: KeyName invokes navigator.keyboard.getLayoutMap every tick unnecessarily

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  os:js performance

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

  hajimehoshi/ebiten#3596 · 1 comment · Opened Aug 30, 2026

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• internal/shader: relax the restrictions on a for-loop in Kage

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  feature os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox request

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

  hajimehoshi/ebiten#3564 · Opened Aug 28, 2026

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• internal/ui: move the UI backends into their own packages, like internal/graphicsdriver

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  os:freebsd os:linux os:macos os:windows refactoring

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

  hajimehoshi/ebiten#3548 · 1 comment · Opened Aug 28, 2026

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• internal/gamepad: support gamepad vibration for Android

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  feature os:android request

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

  hajimehoshi/ebiten#3532 · Opened Aug 26, 2026

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• internal/glfw: replace the GLFW-style error model with Go idioms

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  os:freebsd os:linux os:macos os:windows refactoring

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  hajimehoshi/ebiten#3523 · Opened Aug 24, 2026

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• Non-Latin keyboard layouts produce no text input under Wine 9

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  bug os:linux

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

  hajimehoshi/ebiten#3514 · 4 comments · Opened Aug 22, 2026

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• Added embeded Ebitengine's render loop into a host-owned window this way I was able to use chromium/cef with a REACT UI overlay

  May be free again A pull request for this issue was closed without being merged. Open

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  feature os:macos request

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

  hajimehoshi/ebiten#3512 · 4 comments · Opened Aug 21, 2026

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• Feature request: API to start a drag out of the window (drag source)

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  feature request

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  hajimehoshi/ebiten#3505 · Opened Aug 11, 2026

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• ebiten: CGO_ENABLED=0 builds get the legacy window appearance on macOS 26

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  bug os:macos

  Difficulty 1/5 1-3 hours Newbie friendliness 58/100

  hajimehoshi/ebiten#3503 · 1 comment · Opened Aug 7, 2026

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• ebiten: on macOS, the first keyboard and mouse input each block for 60-120ms

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  bug os:macos

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

  hajimehoshi/ebiten#3499 · Opened Aug 2, 2026

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• ebiten: replace the virtual modifier keys with a dedicated Modifier type (v3)

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  feature os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox request

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

  hajimehoshi/ebiten#3498 · Opened Aug 2, 2026

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• internal/ui: Is*Pressed is inconsistent about keys pressed or released partway through a tick

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  bug os:android os:freebsd os:ios os:js os:linux os:macos os:nintendoswitch os:openbsd os:playstation5 os:windows os:xbox

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

  hajimehoshi/ebiten#3497 · 3 comments · Opened Aug 2, 2026

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• ebiten: `SetWindowIcon` crashes on Parallels Windows with DirectX 12

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  bug os:windows

  Difficulty 4/5 3-5 days Newbie friendliness 39/100

  hajimehoshi/ebiten#3479 · 2 comments · Opened Jul 4, 2026

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• examples/vm: warnings are shown when closing the window

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  bug os:windows

  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  hajimehoshi/ebiten#3469 · Opened Jun 25, 2026

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• ebiten: rename `NewImage*Options` to `Image*Options`

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  breaking-change refactoring

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

  hajimehoshi/ebiten#3452 · 1 comment · Opened May 12, 2026

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• ebiten: add API to accept multiple sources to compile a shader

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  feature request

  Difficulty 5/5 Over a week Newbie friendliness 38/100

  hajimehoshi/ebiten#3439 · 3 comments · Opened Apr 22, 2026

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• ebiten: change `New*Image` and `SubImage` returning a recyclable image and remove `RecyclableSubImage`

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  breaking-change feature

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

  hajimehoshi/ebiten#3428 · Opened Apr 3, 2026

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• audio, audio/vorbis: use -1 instead of 0 for an unknown length

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  breaking-change

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

  hajimehoshi/ebiten#3395 · Opened Feb 21, 2026

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• Passthrough not using current workspace on hyprland linux

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  bug os:linux

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

  hajimehoshi/ebiten#3391 · Opened Feb 15, 2026

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• cmd/ebitenmobile: avoid using GLSurfaceView

  May be free again A pull request for this issue was closed without being merged. Open

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  feature os:android

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

  hajimehoshi/ebiten#3371 · Opened Jan 6, 2026

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• Detecting end of audio playback

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  feature needs-investigation os:linux os:openbsd request

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

  hajimehoshi/ebiten#3351 · 2 comments · Opened Nov 28, 2025

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• ebiten: use `ColorSpaceSRGB` as the default color space everywhere

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  breaking-change os:ios os:macos

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

  hajimehoshi/ebiten#3349 · Opened Nov 22, 2025

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• new shader function to return the origin position for the 'entire' destination image

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  feature request

  Difficulty 5/5 Over a week Newbie friendliness 35/100

  hajimehoshi/ebiten#3345 · Opened Nov 16, 2025

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• Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0xda00020

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  bug external os:linux

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

  hajimehoshi/ebiten#3340 · Opened Nov 6, 2025

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• Safe Area support for mobile devices (iOS and Android)

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  feature os:android os:ios request

  Difficulty 4/5 3-5 days Newbie friendliness 20/100

  hajimehoshi/ebiten#3337 · 1 comment · Opened Nov 1, 2025

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• remove dependencies from go.mod

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  Difficulty 2/5 1-3 hours Newbie friendliness 30/100

  hajimehoshi/bitmapfont#20 · Opened Sep 20, 2025

• an empty Ebitengine application uses 6-8% CPU

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  os:macos performance

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

  hajimehoshi/ebiten#3318 · 8 comments · Opened Sep 18, 2025

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• examples/keyboard: missed keyboard key presses wasm browser build

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  bug os:js

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

  hajimehoshi/ebiten#3317 · 28 comments · Opened Sep 16, 2025

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• ebiten: add gamma/degamma option

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  feature

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

  hajimehoshi/ebiten#3314 · 33 comments · Opened Sep 11, 2025

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• ebiten: add a mode for automatic gamma correction

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  breaking-change feature

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

  hajimehoshi/ebiten#3313 · 2 comments · Opened Sep 9, 2025

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