Issues

• Optimizer: execute synchronous iterator protocol effects natively

  zig-utils/zig-js#1098 · Filter by author chrisbbreuer opened on Oct 10, 2026

• Benchmark: reject competing processes in JSON JSC collector

  zig-utils/zig-js#1021 · Filter by author glennmichael123 opened on Oct 1, 2026
  5

• JSON.stringify: replace recursive traversal with bounded frames

  zig-utils/zig-js#1019 · Filter by author glennmichael123 opened on Sep 30, 2026
  14

• JSON.stringify: keep bounded key snapshots off the heap

  zig-utils/zig-js#997 · Filter by author glennmichael123 opened on Sep 29, 2026
  1

• JSON.stringify: transfer completed output into managed storage

  zig-utils/zig-js#996 · Filter by author glennmichael123 opened on Sep 29, 2026
  1

• JSON.stringify: elide unobservable root holders without callable replacers

  performanceruntime
  zig-utils/zig-js#995 · Filter by author glennmichael123 opened on Sep 29, 2026
  1

• JSON.parse: elide object locks while publishing private parse results

  zig-utils/zig-js#994 · Filter by author glennmichael123 opened on Sep 28, 2026
  1

• JSON.stringify: bound ordinary-object key snapshot lifetime

  zig-utils/zig-js#993 · Filter by author glennmichael123 opened on Sep 28, 2026
  1

• Autonomous backlog: parser early errors and adversarial complexity

  zig-utils/zig-js#933 · Filter by author glennmichael123 opened on Sep 16, 2026
  7

• Build: measure focused-engine source-to-result latency

  benchmarksperformancetooling
  zig-utils/zig-js#614 · Filter by author chrisbbreuer opened on Aug 16, 2026
  12

• Objects: amortize uncontended named-property synchronization

  zig-utils/zig-js#532 · Filter by author chrisbbreuer opened on Aug 11, 2026
  16

• Shapes: scale shared transition publication beyond two lanes

  zig-utils/zig-js#531 · Filter by author chrisbbreuer opened on Aug 11, 2026
  21

• Runtime: coordinate GC, JIT, Wasm, and worker CPU budgets

  enhancementperformancethreads
  zig-utils/zig-js#502 · Filter by author chrisbbreuer opened on Aug 2, 2026
  21

• Observability: publish generated-code symbols and exact native stacks

  embeddingenhancementjitperformance
  zig-utils/zig-js#501 · Filter by author chrisbbreuer opened on Aug 2, 2026
  19

• Platform: support Windows and restricted-JIT Darwin profiles

  enhancementjitperformanceplatform
  zig-utils/zig-js#500 · Filter by author chrisbbreuer opened on Aug 2, 2026
  3

• Runtime: add versioned bytecode, realm snapshots, and AOT artifacts

  enhancementperformanceplatformruntime
  zig-utils/zig-js#499 · Filter by author chrisbbreuer opened on Aug 2, 2026

• VM: build a fast no-JIT execution tier for restricted hosts

  enhancementjitperformanceruntime
  zig-utils/zig-js#498 · Filter by author chrisbbreuer opened on Aug 2, 2026
  66

• Frontend: optimize lexing, parsing, bytecode, and module compilation

  enhancementperformanceruntime
  zig-utils/zig-js#496 · Filter by author chrisbbreuer opened on Aug 2, 2026
  47

• Embedding: optimize Zig, C, private ABI, and Objective-C boundaries

  embeddingenhancementperformance
  zig-utils/zig-js#495 · Filter by author chrisbbreuer opened on Aug 2, 2026
  24

• Build: reduce compile, link, and test feedback time

  dependenciesenhancementperformancetooling
  zig-utils/zig-js#494 · Filter by author chrisbbreuer opened on Aug 2, 2026
  14

• Perf: bound adversarial complexity and worst-case latency

  enhancementperformanceruntime
  zig-utils/zig-js#493 · Filter by author chrisbbreuer opened on Aug 2, 2026
  114

• Perf: gate long-running latency, memory plateau, and cleanup

  benchmarksenhancementperformance
  zig-utils/zig-js#492 · Filter by author chrisbbreuer opened on Aug 2, 2026

• Test: fuzz exact semantics across every execution tier and backend

  enhancementjitperformance
  zig-utils/zig-js#491 · Filter by author chrisbbreuer opened on Aug 2, 2026
  18

• Wasm: execute atomics natively and scale shared memory

  enhancementperformancewasm
  zig-utils/zig-js#490 · Filter by author chrisbbreuer opened on Aug 2, 2026
  1

• Wasm: add a profiling optimizing compiler

  enhancementperformancewasm
  zig-utils/zig-js#489 · Filter by author chrisbbreuer opened on Aug 2, 2026