1 Release published by 1 person

• v36.0.2

  published Aug 26, 2025

45 Pull requests merged by 16 people

• aarch64: Add support for "near" in LoadExtName

  #11570 merged Aug 30, 2025

• Change macOS binary link to aarch64 version

  #11574 merged Aug 30, 2025

• Fix no_std builds on supported targets

  #11568 merged Aug 29, 2025

• Simplify Miri-compatible sleep in tests

  #11566 merged Aug 29, 2025

• Skip a long test on Miri

  #11567 merged Aug 29, 2025

• Fix a verifier error generated during optimizations

  #11562 merged Aug 29, 2025

• Exceptions: global.get from external or table init: null exnref is not an anyref.

  #11564 merged Aug 29, 2025

• [Cranelift] (x & y) & x --> x & y

  #11556 merged Aug 29, 2025

• Remove unused CompiledModule::module_mut method

  #11565 merged Aug 29, 2025

• Use mutate instead of mutate_with for TableOps test

  #11559 merged Aug 28, 2025

• Call fixup before to_wasm_binary in TableOps fuzzer

  #11558 merged Aug 28, 2025

• Don't unwrap results of const-eval

  #11557 merged Aug 28, 2025

• Disallow loading code on x86_64-unknown-none

  #11553 merged Aug 28, 2025

• Add initial empty rec groups

  #11487 merged Aug 28, 2025

• WASI preview 0,1 set_rights API returns ENOTSUP

  #11550 merged Aug 28, 2025

• [Cranelift] (x < y) ? x : y != x --> x > y

  #11523 merged Aug 28, 2025

• [Cranelift] (x | (x | y)) --> (x | y)

  #11555 merged Aug 28, 2025

• Fuzzing: ignore thrown exceptions during instantiation.

  #11554 merged Aug 28, 2025

• merge concurrent::table::Table back into ResourceTable

  #11547 merged Aug 27, 2025

• [Cranelift] (x | y) ^ (x & y) --> (x ^ y)

  #11527 merged Aug 27, 2025

• [Cranelift] (x - y) u> x --> y u> x

  #11521 merged Aug 27, 2025

• [Cranelift] X * (1 << Y) --> X << Y

  #11522 merged Aug 27, 2025

• [Cranelift] (C ? X : Y) + Z --> (C ? X + Z : Y + Z)

  #11526 merged Aug 27, 2025

• chore: fix typos

  #11548 merged Aug 27, 2025

• Make ReaddirIterator public

  #11549 merged Aug 27, 2025

• Disable SinglePass regalloc when fuzzing

  #11546 merged Aug 26, 2025

• Return true from yield intrinsic if EVENT_CANCELLED is pending

  #11542 merged Aug 26, 2025

• GC: replace ManuallyRooted with OwnedRooted.

  #11514 merged Aug 26, 2025

• Make inlining orchestration more FuncKey-based and less module/function pair-based

  #11543 merged Aug 26, 2025

• Release Wasmtime 36.0.2

  #11541 merged Aug 26, 2025

• Fix the typo in the typos document

  #11539 merged Aug 26, 2025

• [36.0.x] Refactor resetting memory on MemoryImageSlot drop

  #11537 merged Aug 25, 2025

• Tweak the declare_builtin_index macro

  #11534 merged Aug 25, 2025

• Cranelift: fix an inliner bug where the last-inlined block was not inserted in the layout

  #11513 merged Aug 25, 2025

• Exceptions: fix panic in is_vmgcref_type() for HeapType::Exn.

  #11535 merged Aug 25, 2025

• Exceptions: support creating a default tag during fuzzing.

  #11530 merged Aug 25, 2025

• Teach wasmtime run --invoke to find async funcs

  #11519 merged Aug 25, 2025

• Pull in new regalloc2 with fastalloc fixes for exceptions, and re-enable and add to testing.

  #11533 merged Aug 25, 2025

• docs: Remove unnecessary imports in cranelift-frontend example

  #11518 merged Aug 25, 2025

• Get the min-platform example working again

  #11516 merged Aug 25, 2025

• Refactor resetting memory on MemoryImageSlot drop

  #11510 merged Aug 25, 2025

• docs: fix typos

  #11525 merged Aug 25, 2025

• Try to make CI more robust with more retries

  #11532 merged Aug 25, 2025

• Update to wasm-tools 0.237.0

  #11517 merged Aug 25, 2025

• Exceptions: support creating a Ref::null for an exception type.

  #11531 merged Aug 25, 2025

6 Pull requests opened by 3 people

• Update and refactor how wasi-testsuite is run

  #11560 opened Aug 28, 2025

• [docs] Add C++ chapter and missing examples

  #11569 opened Aug 29, 2025

• Allow dead code in `component_api` fuzz target

  #11575 opened Aug 30, 2025

• pulley: Implement support for `symbol_value`

  #11576 opened Aug 30, 2025

• Package up exception handler state

  #11577 opened Aug 30, 2025

• chore: remove redundant word in README.md

  #11579 opened Sep 1, 2025

17 Issues closed by 7 people

• Failure to instantiate a table-with-exnref-from-global

  #11563 closed Aug 29, 2025

• Panic instantiating table with exnref initializer via global.get

  #11561 closed Aug 29, 2025

• GC allocation failure during const-expr evaluation can lead to a panic

  #11469 closed Aug 28, 2025

• Timeout in `table_ops` fuzz target

  #11491 closed Aug 28, 2025

• Compiling wasmtime for the embedding with a target of `x86_64-unknown-none` doesn't match Cranelift compilation

  #11506 closed Aug 28, 2025

• `Inst` abstraction in x64 backend

  #2252 closed Aug 28, 2025

• Use optimal MOV encodings for SIMD instructions

  #1124 closed Aug 28, 2025

• `bindgen!` for worlds that use resources of other worlds.

  #11287 closed Aug 28, 2025

• Exceptions during instantiation considered failure during fuzzing

  #11551 closed Aug 28, 2025

• Deduplicate `resource_table.rs` and `concurrent/table.rs`

  #11190 closed Aug 27, 2025

• Return whether task was cancelled from `yield` intrinsic

  #11191 closed Aug 26, 2025

• Wasm GC host API: a slightly less manual owned `Rooted` type?

  #11445 closed Aug 26, 2025

• [Question] how to evolve wit file?

  #11536 closed Aug 25, 2025

• Inlining assertion failure about block being inserted

  #11493 closed Aug 25, 2025

• Runtime panic getting top type for exceptions

  #11529 closed Aug 25, 2025

• Imported tags aren't supported in fuzzing exceptions

  #11528 closed Aug 25, 2025

• Unlike the exit code of other runtime tools, the result shows that "Pointer not aligned to 4"

  #11520 closed Aug 25, 2025

9 Issues opened by 7 people

• Cranelift: missing optimization on icmp + select + icmp + brif

  #11578 opened Aug 30, 2025

• Cranelift's `Function::is_leaf` deduction is inaccurate

  #11573 opened Aug 29, 2025

• Fine grain control over fuel consumption based on wasm operator

  #11572 opened Aug 29, 2025

• wasmtime serve ignoring scheme in absolute-form requests

  #11571 opened Aug 29, 2025

• Add configurable limit for max number of resource/waitable/etc. handles

  #11552 opened Aug 27, 2025

• single-pass regalloc: Corruption (?) with throw.wast

  #11545 opened Aug 26, 2025

• single-pass regalloc: register allocation: TooManyLiveRegs

  #11544 opened Aug 26, 2025

• Unsupported feature for riscv: should be implemented in ISLE: uadd_overflow.i64

  #11540 opened Aug 26, 2025

• Allow missing exports when using `bindgen!`

  #11538 opened Aug 26, 2025

52 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Revamp component model stream/future host API (again)

  #11515 commented on Sep 1, 2025 • 25 new comments

• Add timezone host functions.

  #6899 commented on Sep 1, 2025 • 10 new comments

• cranelift: stack-switching support

  #11003 commented on Sep 1, 2025 • 6 new comments

• Cranelift: Patchpoint instruction?

  #1074 commented on Aug 26, 2025 • 0 new comments

• egraphs: Canonicalize loose inequalities to strict inequalities (2nd attempt)

  #9040 commented on Sep 1, 2025 • 0 new comments

• egraphs: transpose select on operation to operation on select when it increases sharing

  #9074 commented on Sep 1, 2025 • 0 new comments

• wasmtime: Check stack limits only on exit from wasm

  #9093 commented on Sep 1, 2025 • 0 new comments

• riscv64/x390: add *_overflow

  #9214 commented on Sep 1, 2025 • 0 new comments

• wmemcheck support for additional allocation functions and granular memory

  #9641 commented on Sep 1, 2025 • 0 new comments

• Add optional close/shutdown message to AsyncWriteStream

  #9680 commented on Sep 1, 2025 • 0 new comments

• Expose component model in C api

  #9812 commented on Sep 1, 2025 • 0 new comments

• Implement initial-cwd for wasi:cli/environment

  #9831 commented on Sep 1, 2025 • 0 new comments

• refactor: `no_std` `rustc_hash::{FxHashMap, FxHashSet}` aliases

  #9975 commented on Sep 1, 2025 • 0 new comments

• fix: `no_std` fix use without `unwind`

  #9977 commented on Sep 1, 2025 • 0 new comments

• refactor: remove `OnceLock`

  #9992 commented on Sep 1, 2025 • 0 new comments

• Add test for opening miscellaneous devices on UNIX-alikes.

  #10137 commented on Sep 1, 2025 • 0 new comments

• Support for stack switching proposal

  #10177 commented on Sep 1, 2025 • 0 new comments

• Keep Config options for disabling compiled-out features

  #10455 commented on Sep 1, 2025 • 0 new comments

• Plumb initial translation of `thread.spawn_indirect`

  #10518 commented on Sep 1, 2025 • 0 new comments

• cranelift: ISLE wrapper for constructing constants

  #10528 commented on Sep 1, 2025 • 0 new comments

• Minimal implementation of fixed size lists to enable wit-bindgen runtime tests

  #10619 commented on Sep 1, 2025 • 0 new comments

• x64: refactor the representation of `*Mem` and `*MemImm`

  #10775 commented on Sep 1, 2025 • 0 new comments

• Extend CustomCodeMemory interface allowing for using previously-mapped images

  #10865 commented on Sep 1, 2025 • 0 new comments

• Allow multiple registration of same image in the GlobalRegistry

  #10874 commented on Sep 1, 2025 • 0 new comments

• Record and Replay Support for Component Model

  #11284 commented on Sep 1, 2025 • 0 new comments

• Use `naked_asm!`, delete `asm_func!`

  #11405 commented on Sep 1, 2025 • 0 new comments

• docs: fix typo

  #11509 commented on Sep 1, 2025 • 0 new comments

• How to get control over filesystem access with `wasmtime_wasi::WasiCtxBuilder`

  #8963 commented on Aug 26, 2025 • 0 new comments

• wasip1 path_remove_directory fails with paths with trailing slashes

  #11524 commented on Aug 28, 2025 • 0 new comments

• c-api: add wasi_config_set_stdout_pipe

  #5210 commented on Sep 1, 2025 • 0 new comments

• x64: reduce work in non-stack using leaf functions

  #5352 commented on Sep 1, 2025 • 0 new comments

• fuzzgen: Increase allowed stack space

  #5825 commented on Sep 1, 2025 • 0 new comments

• Branch folding

  #5851 commented on Sep 1, 2025 • 0 new comments

• implement "part 1" of WIT Templates

  #5934 commented on Sep 1, 2025 • 0 new comments

• Move DefaultProfiler to a separate module

  #5990 commented on Sep 1, 2025 • 0 new comments

• cranelift/egraphs: more select/bitselect optimizations

  #6214 commented on Sep 1, 2025 • 0 new comments

• Add other calling conventions to fuzzer

  #6594 commented on Sep 1, 2025 • 0 new comments

• Remove cranelift-codegen-shared

  #6773 commented on Sep 1, 2025 • 0 new comments

• Move CLIF legalization into ISLE

  #7321 commented on Sep 1, 2025 • 0 new comments

• Fine-grained network policies

  #7705 commented on Sep 1, 2025 • 0 new comments

• add linker to wasi preview2 that accepts custom closure

  #7778 commented on Sep 1, 2025 • 0 new comments

• wasi-io: Reimplement wasi-io/poll using a Pollable trait

  #7812 commented on Sep 1, 2025 • 0 new comments

• Proof-carrying code: change range facts to be more general.

  #7965 commented on Sep 1, 2025 • 0 new comments

• Print some machinst metrics

  #8107 commented on Sep 1, 2025 • 0 new comments

• Cranelift: shrink ABIArgSlot

  #8163 commented on Sep 1, 2025 • 0 new comments

• Cranelift: implement "precise store traps" in presence of store-tearing hardware.

  #8221 commented on Sep 1, 2025 • 0 new comments

• cranelift/x64: Narrow `test` immediate operands

  #8421 commented on Sep 1, 2025 • 0 new comments

• refactor(cranelift-codegen): remove `OnceLock`

  #8489 commented on Sep 1, 2025 • 0 new comments

• WIP: cranelift: omit function prologue and epilogue on x64 if possible

  #8516 commented on Sep 1, 2025 • 0 new comments

• wasmtime: Remove ALL constant phis

  #8565 commented on Sep 1, 2025 • 0 new comments

• wasmtime: Consume fuel on all return paths

  #8837 commented on Sep 1, 2025 • 0 new comments

• cranelift-codegen: no_std support

  #9007 commented on Sep 1, 2025 • 0 new comments