What's Changed

• Canonicalize NaNs from nearbyint by @stevenfontanella in #8561
• feat: Update jsoo build process for libbinaryen by @spotandjake in #8565
• Handle ref before expected in Heap2Local for StructCmpxchg by @tlively in #8566
• GUFA: Ignore unreachable packed reads by @kripken in #8564
• Group locals by written type in binary writer by @tlively in #8568
• More ArrayCmpxchg expected opts in Heap2Local by @tlively in #8567
• Fix typos by @tlively in #8570
• Make everything 4% faster by skipping empty tasks [NFC] by @kripken in #8571
• [NFC] Allow SubTypes::iterSubTypes to stop early by @kripken in #8573
• Temporarily disable Split in fuzz_opt by @tlively in #8575
• [NFC] Optimize ModuleUtils type-scanning code by @kripken in #8572
• [FP16] Implement f32x4.promote_low_f16x8. by @brendandahl in #8578
• Fix optimized grouping of locals by @tlively in #8577
• Make getters const in Module class by @stevenfontanella in #8579
• Make everything 1.5% faster by calling leaf visitors immediately [NFC] by @kripken in #8581
• feat(js & c-api): Rename Memory segment functions data segment. by @spotandjake in #8576
• [ci] Use emsdk-setup github action by @sbc100 in #8584
• Move a v8 fuzzer flag to a more prominent place by @kripken in #8582
• [Stack Switching] wasm-ctor-eval: stop on serializing continuations to globals by @kripken in #8585
• [NFC] Move fuzzer VMs out of CompareVMs by @kripken in #8587
• [NFC] Fuzzer: Add a run_js() method by @kripken in #8588
• Fuzzer: Make --fuzz-preserve-imports-and-exports also preserve the start function by @kripken in #8589
• Fix spelling typos by @daichifukui in #8591
• perf: use unordered_set for Name sets for better compile speed by @Changqing-JING in #8586
• Increase Alpine stack size to 8MB by @kripken in #8595
• Refactor graph traversal in GlobalEffects by @stevenfontanella in #8593
• New fuzzer: PreserveImportsExportsJS by @kripken in #8592
• [NFC] Simplify lexer and move to header by @tlively in #8597
• perf: use unordered containers for Name sets in SimplifyLocals and DuplicateFunctionElimination by @Changqing-JING in #8600
• [NFC] Simplify a bit of logic in RemoveUnusedBrs by @kripken in #8603
• [NFC] Skip parsing instructions in first parser pass by @tlively in #8601
• Heap2Local: Handle unreachable ref.test replacement by @kripken in #8605
• Use fewer scratch locals in IRBuilder by @tlively in #8608
• Handle strings when skipping function bodies by @tlively in #8614
• Validate descriptor clause forward references by @tlively in #8611
• PreserveImportsExportsJS fuzzer: Handle JS differences in stack traces by @kripken in #8610
• NFC: Propagate global effects via strongly-connected components by @stevenfontanella in #8607
• BranchHinting fuzzing: Do not remove effects when deinstrumenting by @kripken in #8613
• [NFC] Simplify printing of unreachable replacements by @tlively in #8616
• Fix and improve unreachable parsing by @tlively in #8617
• [NFC] Remove redundant code from bad merge by @tlively in #8627
• Simplify branch hint instrumentation by @tlively in #8624
• [StackIR] Optimize the simple case of a multivalue tee and extracts by @kripken in #8623
• Look at fallthrough when deleting branch hints by @tlively in #8630
• [wasm-merge] Preserve function names when writing a profile by @tlively in #8631
• Avoid assertion in BrOn parsing by @kripken in #8635
• Fix comment about --no-auto-initial-contents by @aheejin in #8636
• PreserveImportsExportsJS fuzzer: Handle NaNs properly by @kripken in #8620
• Account for global effects in LinearExecutionWalker by @stevenfontanella in #8637
• Fix binary writing for test_emit_all_features by @stevenfontanella in #8642
• Add feature flag for wide arithmetic by @stevenfontanella in #8639
• Fuzzer: Only run one handler at a time by @kripken in #8643
• [FP16] Implement f16x8.demote_{f64x2, f32x4}_zero. by @brendandahl in #8580
• Compute effects for indirect calls in GlobalEffects by @stevenfontanella in #8609
• Canonicalize NaNs when casting between float and double by @stevenfontanella in #8645
• add missing include by @walkingeyerobot in #8646
• [wasm-reduce] Empty functions with delta debugging by @tlively in #8640
• Rename lld tests to finalize tests. NFC by @sbc100 in #8395
• [legalize-js-interface] Don't delete exports by @sbc100 in #8649
• PreserveImportsExportsJS fuzzer: Handle crashes and function ids by @kripken in #8648
• Enable more ruff checks and remove flake8. NFC by @sbc100 in #8654
• Fuzzer: Do not return 0 from upTo when input is finished by @kripken in #8653
• Support i64.add/sub128 instructions from Wide Arithmetic proposal by @stevenfontanella in #8638
• Move getI64Pair to wasm::Types by @stevenfontanella in #8658
• [EH] Vacuum: Fix up pops after adding blocks in a Try by @kripken in #8659
• Disable wide arithmetic in fuzzers by @stevenfontanella in #8663
• [EH] Handle pops in Directize by @kripken in #8666
• wasm-reduce: Fix integer overflows by @kripken in #8665
• Support i64.mul_wide_s and i64.mul_wide_u from Wide Arithmetic proposal by @stevenfontanella in #8652
• [NFC] Refactor delta debugger utility to a struct by @tlively in #8651
• Avoid use of C++20 header in GlobalEffects.cpp by @juj in #8668
• Directize: Handle table.grow by @kripken in #8671
• RemoveExports pass by @kripken in #8670
• Add Wide Arithmetic C + JS APIs by @stevenfontanella in #8660
• Fix clang 13 build by @juj in #8669
• Rename relaxed SIMD instructions with prefix by @brendandahl in #8673
• [NFC] Use pascal-style string storage for IString/Name by @kripken in #8662
• RemoveExports: Support comma separation and a response file by @kripken in #8674
• SignatureRefining: Do not refine results of functions used in continuations by @kripken in #8675
• Support fuzzing more Relaxed SIMD instructions by @brendandahl in #8676
• perf: avoid O(N^2) exiting-branch checks in CodeFolding by @Changqing-JING in #8599
• Add fuzzing support for more FP16 instructions by @brendandahl in #8678
• Flush stdout/stderr between wasm-opt tests by @sbc100 in #8680
• New fuzzer mode: Fuzz against JavaScript by @kripken in #8655
• Enable fuzzing for relaxed atomics by @stevenfontanella in #866...

What's Changed

• [Stack Switching] Unsubtyping: Handle continuation subtyping by @kripken in #8463
• [StackSwitching] Implementing partial cont.bind-ing by @kripken in #8464
• Fix Unsubtyping on array and struct cmpxchg by @tlively in #8469
• Fix propagation bug in Unsubtyping by @tlively in #8468
• Fix effects for AtomicFence by @tlively in #8465
• Remove coverage builder from CI by @tlively in #8471
• Fix NaN handling for some instructions by @stevenfontanella in #8472
• Stack switching validation by @tlively in #8467
• Update RMW fields indices in GTO by @tlively in #8474
• Fuzzer: Log exported globals by @kripken in #8466
• [Stack Switching] Trap on cont.bind of a null continuation by @kripken in #8477
• Fix feature set checking for GC RMWs by @tlively in #8480
• [multibyte] Add multibyte array store instructions. by @brendandahl in #8059
• Skip a testcase with non-utf8 names in it that trips up the fuzzer by @kripken in #8483
• Fix assertion in br_on_cast finalization by @tlively in #8476
• Add type validations for function imports by @stevenfontanella in #8478
• Fix OptimizeInstructions on unreachable GC RMWs by @tlively in #8485
• Add RMW tests to fuzzer ignore list by @tlively in #8481
• [Fuzzing] Do not clusterfuzz multibyte by @kripken in #8488
• GUFA: Don't misoptimize struct/array atomics by @kripken in #8484
• [NFC] Remove TypeUpdating::canHandleAsLocal by @tlively in #8490
• [Stack Switching] Generate continuation types in the fuzzer, and cont.bind to test them by @kripken in #8486
• [NFC] Rename "calling" in the fuzzer to "export" by @kripken in #8479
• [wasm-split] Move exclusive items to secondary modules by @aheejin in #8441
• Print and compare prototypes in fuzzer interpreter by @tlively in #8457
• Add .github/CODEOWNERS by @tlively in #8492
• Fix OptimizeInstructions for general Cmpxchg expected types by @tlively in #8495
• Trap on atomic.wait on an unshared memory by @kripken in #8497
• [wasm-split] Split globals' transitive global dependencies by @aheejin in #8442
• [Shared Everything] struct.wait on unshared should trap by @kripken in #8498
• Handle StructCmpxchg::expected in Heap2Local by @tlively in #8491
• Fix TypeMapper::getNewHeapType() on types being rebuilt by @kripken in #8499
• Add and use readLE/writeLE helpers by @sertonix in #8470
• [wasm-split] Remove unnecessary trampolines for ref.func initializers by @aheejin in #8443
• Fix scratch local when optimizing cmpxchg in Heap2Local by @tlively in #8496
• [wasm-split] Remove dead globals by @aheejin in #8505
• Remove use of deprecated emscripten setting: EXPORT_EXCEPTION_HANDLING_HELPERS by @sbc100 in #8507
• [Multibyte] Handle ArrayStore in Precompute by @kripken in #8511
• Do not copy function annotations when copying expressions by @tlively in #8512
• [Stack Switching] Improve cont.bind fuzzing by @kripken in #8500
• More unsubtyping for cont.bind by @tlively in #8506
• [NFC] Skip new intrinsic test in fuzzer by @kripken in #8516
• TypeRefiningGUFA: Avoid bottom continuation casts by @kripken in #8513
• [NFC] CtorEval fuzzing: skip export names that may need escaping by @kripken in #8502
• Do not precompute RMW ops on GC types by @tlively in #8517
• [emscripten] Fix handleFatalError to match recent emscripten changes by @sbc100 in #8521
• Validate global imports by @stevenfontanella in #8487
• [multibyte] Add multibyte array load instructions. by @brendandahl in #8504
• Make table subtyping invariant by @stevenfontanella in #8489
• Improve distinct rec groups error message by @tlively in #8522
• Fix up RMW operand types in TypeRefining by @tlively in #8525
• [StackSwitching] Prune continuations in LegalizeAndPruneJSInterface by @kripken in #8523
• third_party/setup.py: fix wabt platform detection on Linux by @BilelGho in #8526
• Add support for non-nullable tables and init expressions by @pufferfish101007 in #8405
• Fix CHANGELOG.md after #8405 by @pufferfish101007 in #8527
• [jspi] Remove module splitting changes. by @brendandahl in #8529
• [Multibyte] Fix GUFA on multibyte reads of different types by @kripken in #8531
• Enable conversions.wast spec test by @stevenfontanella in #8528
• Remove redundant spec tests by @stevenfontanella in #8533
• Handle sharedness in Heap2Local's Array2Struct by @tlively in #8515
• [NFC] Fix logging functions in tests by @kripken in #8538
• Add an option for wasm-merge to write a split manifest by @tlively in #8534
• Remove unused wasm::alignAddr by @sertonix in #8543
• Add readBinaryWithFeatures to JS API by @ospencer in #8541
• Generate Struct RMW operations in the fuzzer by @tlively in #8535
• GUFA: Fix indirect return-call subtyping by @kripken in #8536
• [NFC] Handle atomic arrays in Heap2Local by @tlively in #8549
• Add contains() to custom containers and use where possible. NFC by @sbc100 in #8547
• feat(C & JS API)!: Add BinaryenHasMemorySegment by @spotandjake in #8286
• Update from C++17 to C++20 by @sbc100 in #8218
• Handle ArrayCmpxchg in Heap2Local by @tlively in #8551
• Handle module name collisions in MinifyImportsAndExports using a new output format by @kripken in #8550
• Validate RMW field types by @tlively in #8554
• Version 129 by @kripken in #8555
• Generate atomic array operations in the fuzzer by @tlively in #8545
• [Stack Switching] Fix ctor-eval handling of unhandled resumes by @kripken in #8556
• Stub out llvm::sys::fs::detail::directory_iterator_destruct for GCC 16 by @stbergmann in #8559
• Skip f32.wast on linux due to Alpine issue + add testing by @kripken in #8558

New Contributors

• @BilelGho made their first contribution in #8526
• @pufferfish101007 made their first contribution in #8405
• @stbergmann made their first contribution in #8559

Full Changelog: version_128...version_129