Issues

• moon bench --target wasm --release does not run wasm-opt

  moonbitlang/moon#2421 · Filter by author bobzhang opened on Nov 1, 2026

• moonrun/Windows: supported original Ctrl-C delivery to owned child

  moonbitlang/moon#2419 · Filter by author DamianReeves opened on Oct 30, 2026

• Windows: moon test --target js/wasm-gc fails with os error 206 (driver gets the whole file_and_index JSON as one argument)

  bug
  moonbitlang/moon#2416 · Filter by author BlankMauser opened on Oct 30, 2026
  

• moon prove prints a stale "Succeeded" summary when a package fails before Why3 runs

  bug
  moonbitlang/moon#2372 · Filter by author jonesmelton opened on Oct 27, 2026

• Define exact-version registry queries and metadata refresh semantics

  moonbitlang/moon#2367 · Filter by author peter-jerry-ye opened on Oct 26, 2026

• moon deprecate fails with HTTP 422 "Invalid module path" for a published module

  moonbitlang/moon#2364 · Filter by author t-ujiie-g opened on Oct 25, 2026
  1

  

• bug(moonrun): Run teardown can hang when worker cancellation precedes a blocking syscall

  moonbitlang/moon#2343 · Filter by author Milky2018 opened on Oct 20, 2026

• moon upgrade always reinstalls even when toolchain is up to date

  low priority
  moonbitlang/moon#2338 · Filter by author shuans opened on Oct 20, 2026
  1

• moon check --target-consistency-check

  feature request
  moonbitlang/moon#2336 · Filter by author bobzhang opened on Oct 20, 2026

• Publish self-contained native toolchain archives as GitHub release assets

  moonbitlang/moon#2334 · Filter by author nojaf opened on Oct 19, 2026

• Add a --no-user-scripts option for hosted builds

  enhancementfeature requestpending-triage
  moonbitlang/moon#2325 · Filter by author Yoorkin opened on Oct 19, 2026
  2

• moon run --profile / moon test --profile report Samples: 0 on Linux

  bugpending-triage
  moonbitlang/moon#2322 · Filter by author podhmo opened on Oct 18, 2026
  1

• Cross-compiling --target native with MOON_CC: host-only objects are linked, and platform cfg comes from the host

  low priority
  moonbitlang/moon#2320 · Filter by author DamianReeves opened on Oct 16, 2026

• moon install user/module: install all cmd/ executables of the module

  discussfeature request
  moonbitlang/moon#2319 · Filter by author shuans opened on Oct 16, 2026

• bug(moonx): Interrupted Wasm response body downloads are not retried

  bug
  moonbitlang/moon#2313 · Filter by author Yoorkin opened on Oct 16, 2026
  

• Fresh installs and moon publish fail on dependencies still shipping moon.mod.json

  moonbitlang/moon#2310 · Filter by author superbigcup325 opened on Oct 15, 2026

• bug(moonrun): macOS async conformance snapshots depend on timer interleaving

  area/testenhancement
  moonbitlang/moon#2288 · Filter by author Milky2018 opened on Oct 13, 2026

• moonrun: allow writable directory contents without granting removal of the root

  moonbitlang/moon#2263 · Filter by author Milky2018 opened on Oct 9, 2026

• Native builds do not disable FP contraction (-ffp-contract=off), so floating-point results change under GCC

  moonbitlang/moon#2262 · Filter by author KCN-judu opened on Oct 9, 2026
  1

  

• [native/windows] moonc's moonbit_init (18.5k-line flat init block) makes cl /O2 ~5-10x slower than clang; MSVC 14.51 regressed ~1.4-1.6x on this shape

  moonbitlang/moon#2254 · Filter by author rustin-beep opened on Sep 26, 2026
  1

  

• Promote remaining moon.pkg options to dedicated DSL declarations

  moonbitlang/moon#2251 · Filter by author Yu-zh opened on Sep 23, 2026

• native: stack overflow exits with a bare SIGSEGV — no diagnostic, and buffered stdout is lost

  bugpending-triage
  moonbitlang/moon#2228 · Filter by author conglinyizhi opened on Sep 17, 2026
  

• Decouple registry API, Git index, and artifact download endpoints

  feature request
  moonbitlang/moon#2113 · Filter by author Yoorkin opened on Aug 27, 2026
  

• Proposal: publish backend-specific packages.json inventories

  feature request
  moonbitlang/moon#1990 · Filter by author bzy-debug opened on Aug 5, 2026
  3

• Registry module names have inconsistent case semantics on case-insensitive filesystems

  moonbitlang/moon#1961 · Filter by author peter-jerry-ye opened on Jul 30, 2026