Issues

• Helix editor freezes for ~5 seconds when opening a .pony file

  discuss during syncneeds investigation
  Bug

  ponylang/ponyc#6259 · Filter by author notramo opened on Oct 8, 2026
  5

• Release 0.75.0

  ponylang/ponyc#6212 · Filter by author SeanTAllen opened on Sep 30, 2026
  

• Cycle detector can get swamped and then an OOM results

  needs investigation
  ponylang/ponyc#6181 · Filter by author SeanTAllen opened on Sep 27, 2026
  

• Iterator invalidation during reach-pass scans can silently skip subtype relationships

  Bug

  ponylang/ponyc#6024 · Filter by author SeanTAllen opened on Sep 9, 2026
  

• pony-lsp: a project reached through a symlink gets "No workspace found" for every request

  pony-lsp
  Bug

  ponylang/ponyc#5786 · Filter by author SeanTAllen opened on Jul 17, 2026

• pony-lsp: a workspace's name is derived from the wrong string

  pony-lsp
  Bug

  ponylang/ponyc#5785 · Filter by author SeanTAllen opened on Jul 17, 2026

• pony-lsp: a null or empty workspaceFolders hides a usable rootUri

  pony-lsp
  Bug

  ponylang/ponyc#5784 · Filter by author SeanTAllen opened on Jul 17, 2026

• pony-lsp registers a bad package for a document it cannot resolve, and later documents resolve to it

  Bug

  ponylang/ponyc#5782 · Filter by author SeanTAllen opened on Jul 17, 2026

• pony-lsp publishes fileless compiler errors under an invalid "file://" URI and never clears them

  pony-lsp
  Bug

  ponylang/ponyc#5781 · Filter by author SeanTAllen opened on Jul 17, 2026

• pony-lsp never recompiles a file saved or opened during a compile

  pony-lsp
  Bug

  ponylang/ponyc#5780 · Filter by author SeanTAllen opened on Jul 17, 2026

• pony-lsp does not respond to any request while it is compiling

  pony-lsp
  Bug

  ponylang/ponyc#5779 · Filter by author SeanTAllen opened on Jul 17, 2026

• pony_os_accept can block a scheduler thread on a blocking listen fd

  Bug

  ponylang/ponyc#5722 · Filter by author SeanTAllen opened on Jul 9, 2026

• Deeply nested groups in an I-Regexp pattern overflow the native stack at parse time

  Bug

  ponylang/ponyc#5627 · Filter by author SeanTAllen opened on Jun 30, 2026
  1

• Deeply nested JSONPath queries overflow the native stack at parse and evaluation time

  Bug

  ponylang/ponyc#5606 · Filter by author SeanTAllen opened on Jun 29, 2026

• Misleading 'unreachable code' error pointing at user code when only the synthesized implicit None is unreachable

  Bug

  ponylang/ponyc#5331 · Filter by author SeanTAllen opened on May 16, 2026
  2

• pony-lsp: support textDocument/codeLens

  pony-lsp
  Feature

  ponylang/ponyc#5186 · Filter by author orien opened on Apr 8, 2026

• pony-lsp: support textDocument/formatting

  pony-lsp
  Feature

  ponylang/ponyc#5181 · Filter by author orien opened on Apr 8, 2026
  1

• pony-lsp: support textDocument/codeAction

  pony-lsp
  Feature

  ponylang/ponyc#5180 · Filter by author orien opened on Apr 8, 2026

• pony-lsp: support textDocument/semanticTokens

  pony-lsp
  Feature

  ponylang/ponyc#5179 · Filter by author orien opened on Apr 8, 2026

• pony-lsp: support textDocument/implementation

  pony-lsp
  Feature

  ponylang/ponyc#5178 · Filter by author orien opened on Apr 8, 2026

• pony-lsp: support textDocument/completion

  pony-lsp
  Feature

  ponylang/ponyc#5175 · Filter by author orien opened on Apr 8, 2026

• pony-lsp: workspace navigation error

  pony-lsp
  Bug

  ponylang/ponyc#5164 · Filter by author SeanTAllen opened on Apr 7, 2026
  

• pony-lsp: inlay hints should use AST from early compiler passes

  pony-lsp
  ponylang/ponyc#5161 · Filter by author orien opened on Apr 7, 2026
  6

• pony-lsp: explicit this cannot be highlighted

  Feature

  ponylang/ponyc#5124 · Filter by author orien opened on Apr 5, 2026

• Add private _traits exhaustiveness checking?

  Feature

  ponylang/ponyc#5020 · Filter by author SeanTAllen opened on Mar 13, 2026
  4