Issues

• Importing the npm typescript package costs 17–29 min / 7–10 GB to compile (whole 9 MB typescript.js codegen'd)

  package-auditperformance
  PerryTS/perry#13976 · Filter by author proggeramlug opened on Nov 4, 2026
  1

• Program-facts (wpfacts) stage takes ~18 min / 4 GB on typescript.js (expected seconds)

  bugpackage-auditperformance
  PerryTS/perry#13974 · Filter by author proggeramlug opened on Nov 4, 2026
  1

• buffer/util default exports lack Object.prototype methods (buffer.hasOwnProperty throws; breaks safer-buffer/iconv-lite)

  bugpackage-audit
  PerryTS/perry#13963 · Filter by author proggeramlug opened on Nov 4, 2026

• new Function interpreter: with statement unsupported (breaks lodash _.template defaults)

  bugpackage-audit
  PerryTS/perry#13962 · Filter by author proggeramlug opened on Nov 4, 2026

• Function-local class reads as undefined when its members reference it (@noble/curves weierstrass Signature)

  bugpackage-audit
  PerryTS/perry#13961 · Filter by author proggeramlug opened on Nov 4, 2026

• Private field on an Array subclass: "Cannot initialize #x on this object"

  bugpackage-audit
  PerryTS/perry#13960 · Filter by author proggeramlug opened on Nov 4, 2026

• http2 compat response has a null prototype (node: Http2ServerResponse.prototype)

  PerryTS/perry#13802 · Filter by author proggeramlug opened on Nov 3, 2026

• Compile demo App: Error: Linking failed

  bug
  PerryTS/perry#13801 · Filter by author zhuyuanmin opened on Nov 3, 2026
  2

• Compile "hello world" bundle size is large --- 11.3MB

  bug
  PerryTS/perry#13800 · Filter by author zhuyuanmin opened on Nov 3, 2026
  2

• perf: maintain the array element-kind tag so Array<number> parameter guards are O(1)

  performance
  PerryTS/perry#13784 · Filter by author TheHypnoo opened on Nov 2, 2026

• CLI: unsupported --target silently emits host objects instead of rejecting the target

  PerryTS/perry#13717 · Filter by author proggeramlug opened on Nov 2, 2026

• size(codegen): cross-module regular and $pshape methods retain equivalent full bodies

  PerryTS/perry#13688 · Filter by author proggeramlug opened on Nov 1, 2026

• tracking: quantify and remove numeric-engine instruction overhead while preserving binary-size savings and performance

  PerryTS/perry#13663 · Filter by author proggeramlug opened on Nov 1, 2026
  9

• size/perf: custom Oz runtime makes public scan 1.65–1.78x slower; ~20% of samples in outlined fragments

  PerryTS/perry#13662 · Filter by author proggeramlug opened on Nov 1, 2026

• perf: short number[] for-of scans in a typed class are 10× Node and 2× indexed loops (IteratorClose/prototype checks)

  bug
  PerryTS/perry#13645 · Filter by author proggeramlug opened on Nov 1, 2026
  1

• tracking: 16 modules remain over the 2000-line code cap, and none of them has a live tracker

  rusttooling
  PerryTS/perry#13573 · Filter by author TheHypnoo opened on Oct 30, 2026

• import defer evaluates the deferred module eagerly

  PerryTS/perry#13559 · Filter by author TheHypnoo opened on Oct 30, 2026
  

• test262: three cases regressed on main since the 90.15% baseline (var function expression called early, Promise.resolve ctor)

  PerryTS/perry#13556 · Filter by author TheHypnoo opened on Oct 30, 2026
  

• PGO for the runtime archives: three blockers (gc-effects seeds, profiler link, startup crash)

  performancetooling
  PerryTS/perry#13507 · Filter by author TheHypnoo opened on Oct 29, 2026
  

• Realm declarations for %IteratorPrototype% and friends are stale after the Iterator global

  tooling
  PerryTS/perry#13506 · Filter by author TheHypnoo opened on Oct 29, 2026
  

• Implement Iterator.zip and Iterator.zipKeyed

  enhancement
  PerryTS/perry#13497 · Filter by author TheHypnoo opened on Oct 29, 2026
  

• Gap suite on macOS arm64: ~155 environment/load failures vs the snapshot

  tooling
  PerryTS/perry#13496 · Filter by author TheHypnoo opened on Oct 29, 2026
  

• check_file_size.sh fails on main: gc/types.rs is 2003 lines

  tooling
  PerryTS/perry#13494 · Filter by author TheHypnoo opened on Oct 29, 2026
  

• perf(compile): assembly-text round trip through external clang is half of large compiles

  performance
  PerryTS/perry#13493 · Filter by author TheHypnoo opened on Oct 29, 2026
  

• perf: root-reload launder asm blocks LICM field promotion in loops (09_method_calls)

  performance
  PerryTS/perry#13492 · Filter by author TheHypnoo opened on Oct 29, 2026