ml-explore/mlx-swift

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Swift API for MLX

Stars: 2k
Forks: 349
Open beginner issues: 0
Indexed issues: 37
Avg merge: 4d 19h
Merged PRs (30d): 13

Dominant language: C++
License: MIT
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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37 open issues indexed

[BUG] asArray with zero dimension array crashes Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

ml-explore/mlx-swift#480 · 1 comment · Opened Sep 14, 2026
[BUG] VJP should be Sendable Open

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

ml-explore/mlx-swift#475 · 3 comments · Opened Sep 9, 2026
Tagged release carrying mlx#3810 (NAX split-K GEMM dtype fix) without the rest of the v0.32.2 vendor bump? Open

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

ml-explore/mlx-swift#470 · 3 comments · Opened Sep 6, 2026
MLX cannot find default.metallib under `swift test` with the Swift Build build system (aborts the whole test run) Open

Difficulty 3/5 1-2 days Newbie friendliness 82/100

ml-explore/mlx-swift#460 · 3 comments · Opened Aug 23, 2026
Vendored mlx predates the June crash fix (a025496c): Metal command-buffer errors still hard-abort host apps Open

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

ml-explore/mlx-swift#458 · 3 comments · Opened Aug 19, 2026
Core >= 0.31.2 thread-local streams break process-global Stream.gpu/.cpu — cross-thread eval aborts Open

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

ml-explore/mlx-swift#457 · Opened Aug 18, 2026
Package.swift exclude list breaks when the mlx pin moves past v0.31.2 (jaccl restructured) Open

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

ml-explore/mlx-swift#446 · 2 comments · Opened Jul 30, 2026
Please bump the vendored mlx-core so the batched single-token RoPE fix (ml-explore/mlx#3498) reaches mlx-swift Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

ml-explore/mlx-swift#441 · 5 comments · Opened Jul 8, 2026
[BUG] Regression in 0.31.4: holding evalLock across tostring (#410) deadlocks/crashes when an MLXArray is stringified during an in-flight eval() Open

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

ml-explore/mlx-swift#428 · 1 comment · Opened Jun 21, 2026
[BUG] `conv1d` produces wrong results for long sequences on the iOS GPU (output > 32768 frames: early frames collapse to a constant) Open

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

ml-explore/mlx-swift#424 · 1 comment · Opened Jun 17, 2026
[BUG] quantizedMM silently upcasts to float32 due to dtype mismatch between activations and scales/biases Open

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

ml-explore/mlx-swift#420 · 1 reaction · Opened Jun 7, 2026
Discussion: Sendable MLXArray Open

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

ml-explore/mlx-swift#417 · 2 comments · 1 reaction · Opened May 29, 2026
Allow overriding the mlx.metallib search path for plugin-bundle embedding Open

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

ml-explore/mlx-swift#415 · 2 comments · Opened May 28, 2026
[Bug] check_error() throws std::runtime_error from completion handler → uncaught SIGABRT on iPhone 15 Pro / iOS 26.4 (Qwen3 1.7B 4bit) Open

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

ml-explore/mlx-swift#407 · 6 comments · Opened May 15, 2026
Feature request: prebuilt binary xcframework for Cmlx to eliminate cold build cost Open

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

ml-explore/mlx-swift#406 · 4 comments · Opened May 14, 2026
[BUG] many mlx-swift functions incorrectly promote to float32, e.g. zeros, ones, etc. Open

ml-explore/mlx-swift#390 · 1 assignee · Opened Apr 5, 2026
[BUG] Add Gemma 4 model architecture support (gemma4) Open

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

ml-explore/mlx-swift#389 · 7 comments · 12 reactions · Opened Apr 5, 2026
[BUG] better compile support Open

ml-explore/mlx-swift#386 · 1 assignee · Opened Apr 3, 2026
[BUG] default.metallib bundle missing when using Tuist (SwiftPM bundle not emitted) Open

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

ml-explore/mlx-swift#349 · 3 comments · Opened Feb 1, 2026
Sanity check - build/packaging instructions with bundle Metal libraries Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

ml-explore/mlx-swift#345 · 2 reactions · Opened Jan 30, 2026
Xcode 26.2: Metal compile warning 'constexpr if is a C++17 extension' in generated steel_attention.h Open

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

ml-explore/mlx-swift#342 · 6 comments · 1 reaction · Opened Jan 25, 2026
[Feature] save/load [m, v] of Optimizer Open

ml-explore/mlx-swift#326 · 5 comments · 1 assignee · Opened Jan 6, 2026
[Feature] Swift unit tests over CMake setup Open

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

ml-explore/mlx-swift#324 · 1 reaction · Opened Dec 18, 2025
`QuantizationMode` should be algebraic instead of scalar Open

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

ml-explore/mlx-swift#285 · 3 comments · Opened Oct 22, 2025
it crashed on background when eval Open

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

ml-explore/mlx-swift#274 · 4 comments · Opened Sep 25, 2025
error handling in mlx-swift Open

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

ml-explore/mlx-swift#270 · 4 comments · Opened Sep 17, 2025
Use of `BuildToolPlugin` Open

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

ml-explore/mlx-swift#263 · 11 comments · Opened Aug 4, 2025
mlx-swift with CUDA for Linux and Windows? Open

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

ml-explore/mlx-swift#258 · 12 comments · 1 reaction · Opened Jul 29, 2025
[Bug] MLX 0.25.2 causing the UI rendering to be stuck and occasionally crash. Open

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

ml-explore/mlx-swift#237 · 9 comments · Opened May 8, 2025
Documentation Links for "Other MLX Packages" Open

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

ml-explore/mlx-swift#198 · 2 comments · Opened Mar 1, 2025
add checkpoint function Open

ml-explore/mlx-swift#185 · 1 assignee · Opened Jan 22, 2025
Adopt change from mlx - vjp Open

ml-explore/mlx-swift#181 · 1 assignee · Opened Jan 10, 2025
add the shape label like in python. Open

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

ml-explore/mlx-swift#178 · 1 comment · Opened Dec 26, 2024
MLX error: [Primitive::vjp] Not implemented for Conjugate. Open

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

ml-explore/mlx-swift#147 · Opened Oct 9, 2024
LLDB hanging when doing po on mlx-swift objects Open

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

ml-explore/mlx-swift#97 · 10 comments · 1 reaction · Opened Jun 2, 2024
[Bug] Crash in `item()`. Open

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

ml-explore/mlx-swift#82 · 16 comments · Opened May 4, 2024
Xcode documentation navigation issue Open

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

ml-explore/mlx-swift#14 · 3 comments · Opened Feb 22, 2024

ml-explore/mlx-swift

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