Issues

• V3 interpreter: ClassCastException (DF64 → DI64) after catch_all of an exception with a payload

  titzer/wizard-engine#705 · Filter by author jasisz opened on Sep 24, 2026
  2

• memory.copy from an i64 memory into an i32 memory types the length as i64 (should be min of index types)

  titzer/wizard-engine#701 · Filter by author jasisz opened on Sep 23, 2026

• br_on_cast / br_on_cast_fail accept a target label with an empty result type

  titzer/wizard-engine#655 · Filter by author jasisz opened on Jun 25, 2026
  1

• ref.test and ref.cast accept a target heap type from a different hierarchy than the operand

  titzer/wizard-engine#654 · Filter by author jasisz opened on Jun 25, 2026

• [Potential Bug]: Wizard x86-64 SPC: i8x16.ne (and i16x8/i32x4/i64x2) corrupts a live local

  titzer/wizard-engine#650 · Filter by author khagankhan opened on Jun 11, 2026

• [Potential Bug]: vN.storeN_lane writes to the wrong address (x86-64 interpreter)

  titzer/wizard-engine#649 · Filter by author khagankhan opened on Jun 10, 2026

• Potential Bug: i8x16.extract_lane_u / i16x8.extract_lane_u not zero-extended in the x86-64 interpreter

  titzer/wizard-engine#648 · Filter by author khagankhan opened on Jun 10, 2026

• Does profiler work with stack-switching instructions?

  titzer/wizard-engine#638 · Filter by author ezrakilty opened on May 19, 2026
  3

• Profiler can print bad values for "self" on first row

  titzer/wizard-engine#637 · Filter by author ezrakilty opened on May 19, 2026

• !exception[tag=3587](<ref struct #35>)

  titzer/wizard-engine#636 · Filter by author alex28sh opened on May 19, 2026
  1

• Test failure with incorrect stack state

  titzer/wizard-engine#634 · Filter by author titzer opened on May 12, 2026
  1

• Execute.tiering should not be global

  titzer/wizard-engine#629 · Filter by author linxuanm opened on May 10, 2026

• UNREACHABLE Trap in v128.load8_splat with memidx ≠ 0

  titzer/wizard-engine#544 · Filter by author akldc opened on Dec 25, 2025

• null check exception

  titzer/wizard-engine#530 · Filter by author Q1IQ opened on Nov 24, 2025
  2

• Test hangs

  titzer/wizard-engine#495 · Filter by author wingo opened on Sep 24, 2025
  5

• Add ability to map dirs by name

  titzer/wizard-engine#482 · Filter by author wingo opened on Sep 19, 2025
  1

• Fast interpreter: issue with decoding block types

  titzer/wizard-engine#283 · Filter by author vouillon opened on Feb 10, 2025
  1

• Wrong error message in case of validation error

  titzer/wizard-engine#270 · Filter by author vouillon opened on Feb 3, 2025
  2

• Run + report status of proposals in CI

  titzer/wizard-engine#190 · Filter by author titzer opened on Sep 18, 2024
  1

• Add CSV capabilities to Wizard Monitors

  titzer/wizard-engine#167 · Filter by author ejrgilbert opened on May 30, 2024
  1

• Implement wasm-threads (atomics) proposal

  help wanted
  titzer/wizard-engine#155 · Filter by author titzer opened on Feb 28, 2024

• Support wasm-c-api

  titzer/wizard-engine#29 · Filter by author syrusakbary opened on Apr 26, 2023
  4

• Implement all of WASI snapshot preview 1

  help wanted
  titzer/wizard-engine#4 · Filter by author titzer opened on Aug 15, 2022
  1