Sourced from wasmtime's releases.

v34.0.1

34.0.1

Released 2025-06-24.

Fixed

• Fix a panic with host-defined tables/globals and concrete reference types. #11103

v34.0.0

34.0.0

Released 2025-06-20.

Added

• Support for SIMD in the Pulley interpreter can now be disabled at compile-time to shrink the size of the final binary. #10727

• The C API now has wasmtime_trap_new_code to create a wasm_trap_t from its code. #10765

• Winch's support for x86_64 is now classified with tier 1 support in Wasmtime. #10755

• Winch's support for aarch64 now implements stack checks to pass many more spec tests. #10763

• Cranelift's s390x backend now has full support for the f128 type. #10774

• Wasmtime's C API for the component model has initial support for calling functions. #10697 #10841 #10858 #10864 #10877

• The wasmtime wast command now has a --generate-dwarf flag to show filename/line number information for backtraces. #10780

Changed

... (truncated)

Sourced from wasmtime's changelog.

34.0.1

Released 2025-06-24.

Fixed

• Fix a panic with host-defined tables/globals and concrete reference types. #11103

---

34.0.0

Released 2025-06-20.

Added

• Support for SIMD in the Pulley interpreter can now be disabled at compile-time to shrink the size of the final binary. #10727

• The C API now has wasmtime_trap_new_code to create a wasm_trap_t from its code. #10765

• Winch's support for x86_64 is now classified with tier 1 support in Wasmtime. #10755

• Winch's support for aarch64 now implements stack checks to pass many more spec tests. #10763

• Cranelift's s390x backend now has full support for the f128 type. #10774

• Wasmtime's C API for the component model has initial support for calling functions. #10697 #10841 #10858 #10864 #10877

• The wasmtime wast command now has a --generate-dwarf flag to show filename/line number information for backtraces. #10780

Changed

... (truncated)

• ebdadc4 Release Wasmtime 34.0.1 (#11119)
• f5a9490 [34.0.0] Fix globals/tables holding their registered types (#11104)
• 597c0c8 Make auto-publish script more robust (#11090) (#11108)
• f6cd545 cargo vet: pulley-macros is audited as crates io (#11089) (#11100)
• 26ed24a Release Wasmtime 34.0.0 (#11085)
• 22f045e fix: do not collect backtrace on each gc_runtime access (#11068) (#11074)
• b3ae195 Update release notes (#10983)
• 550b304 Fix crash optimizing icmp with vectors (#10948) (#10955)
• a7d3300 Revert "Stack switching: Infrastructure and runtime support (#10388)" (#10938)
• 63d482c Stack switching: Infrastructure and runtime support (#10388)
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