[Repo Assist] Monthly Activity 2026-05

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Activity for May 2026

Suggested Actions for Maintainer

Comprehensive list of pending items requiring maintainer attention:

• Review PR (new): fix(js/ts): reject JS-permissive date strings that .NET TryParse rejects (closes System.Datetime.TryParse too forgiving in Javascript #3858) — branch: repo-assist/fix-datetime-tryparse-permissive-3858
• Review PR fix(js/ts): fix G/g format specifier corrupting exponential notation when trimming trailing zeros #4587: fix(js/ts): fix G/g format specifier corrupting exponential notation (closes Double-to-string format using "G17" does not match .NET #2654) — Review
• Review PR fix(all): forward --pathmap: option to FCS so CallerFilePath respects (PathMap) #4585: fix: forward --pathmap: option to FCS so CallerFilePath respects `` (closes deterministic/relative paths in CallerFilePath #4061) — Review
• Review PR fix(js): handle .NET format specifiers in F# interpolated strings [Repo Assist]  #4553: fix(js): handle .NET format specifiers in F# interpolated strings — Review
• Review PR ci: Add CI concurrency settings to cancel superseded PR runs #4546: [Eng] Add CI concurrency settings to cancel superseded PR runs — Review
• Review PR [Repo Assist] [JS/TS] Fix sprintf %g/%G not stripping trailing zeros when explicit precision is given #4543: [JS/TS] Fix sprintf %g/%G not stripping trailing zeros — Review
• Review PR [Repo Assist] [TypeScript] Fix static class members not re-declaring class-level type parameters (fixes #3504) #4533: [TypeScript] Fix static class members not re-declaring class-level type parameters (closes Adding generic static member in a class emits invalid TypeScript #3504) — Review
• Review PR [Repo Assist] [All] Emit compile-time error when inline function references private value (fixes #3866) #4532: [All] Emit compile-time error when inline function references private value (closes private value referenced from inline causes import error #3866) — Review
• Review PR ci: cache NuGet packages and npm downloads #4525: [Eng] Add NuGet and npm package caching to CI workflow — Review
• Review PR [Repo Assist] [JS/TS] Fix DateTimeOffset.ToString using local timezone instead of stored offset #4521: [JS/TS] Fix DateTimeOffset.ToString using local timezone — Review
• Review PR [Repo Assist] Add TypeScript output support and snapshot update mode to integration tests #4495: Add TypeScript output support and snapshot update mode to integration tests (closes Add support for TypeScript in the integration tests #4022) — Review
• Review PR [Repo Assist] [JS/TS] Fix source maps dropping valid mappings at column 0 #4487: [JS/TS] Fix source maps dropping valid mappings at column 0 — Review
• Review PR [Repo Assist] [JS/TS] Add Async.AwaitEvent support #4465: [JS/TS] Add Async.AwaitEvent support (closes Add support for Async.AwaitEvent #4239) — Review
• Review PR [Repo Assist] [JS/TS] Fix String.IndexOf/LastIndexOf ignoring StringComparison argument #4451: [JS/TS] Fix String.IndexOf/LastIndexOf ignoring StringComparison argument — Review
• Review PR [Repo Assist] [JS/TS] Add regression tests for N0, C0, P0 format specifiers #4450: [JS/TS] Add regression tests for N0, C0, P0 format specifiers — Review
• Review PR [Repo Assist] [JS/TS] Fix implicit DateTime→DateTimeOffset conversion emitting missing op_Implicit #4417: [JS/TS] Fix implicit DateTime→DateTimeOffset conversion — Review
• Review PR fix(all): fix super call in multi-level generic class hierarchy using wrong mangled name #4414: [JS/TS] Fix super call in generic class hierarchy using wrong mangled name — Review
• Review PR [Repo Assist] [JS/TS] Fix float32 arithmetic producing float64 results #4411: [JS/TS] Fix float32 arithmetic producing float64 results — Review
• Check comment on System.Datetime.TryParse too forgiving in Javascript #3858: Repo Assist submitted fix PR for DateTime.TryParse too permissive — View
• Check comment on Double-to-string format using "G17" does not match .NET #2654: Repo Assist identified root cause and submitted fix PR — View
• Check comment on deterministic/relative paths in CallerFilePath #4061: Repo Assist identified root cause (--pathmap: discarded in extractUsefulOptionsAndSources) and submitted fix PR — View
• Check comment on FSharpValue.GetRecordFields skips None values with anonymous records #3477: Repo Assist identified root cause of GetRecordFields skipping None fields in anonymous records — View
• Check comment on Investigate: Fable fails to compile when there is a NU1605 waring #4562: Repo Assist identified NU1605 stderr-vs-exit-code root cause and submitted fix PR — View
• Check comment on StringBuilder missing some Append overloads #2636: Repo Assist submitted StringBuilder.Append overloads PR — View

Future Work for Repo Assist

• Investigate [JS] [<AttachMembers>] and static inline: invalid JS #4580: [<Erase>] + static member inline emits invalid JS (inline not expanded)
• Fix [JSX] JSX.create match cases in children parsed as function call #4224 JSX match-case children (Unroller in Fable2Babel.fs)
• Fix importValueDynamic fails to import some functions #3919 importValueDynamic multi-arg functions
• Fix #3477 anonymous record None fields filtered from object literal (BabelPrinter line 1211)
• Add StringBuilder.Append overloads to Dart and Beam targets

Run History

2026-05-03 01:16 UTC — Run

• 🔧 Created PR: fix(js/ts): reject JS-permissive date strings that .NET TryParse rejects (closes System.Datetime.TryParse too forgiving in Javascript #3858), branch repo-assist/fix-datetime-tryparse-permissive-3858
• 💬 Commented on System.Datetime.TryParse too forgiving in Javascript #3858: identified fix and submitted PR

2026-05-02 01:09 UTC — Run

• 🔧 Created PR: fix(js/ts): fix G/g format specifier corrupting exponential notation (closes #2654)
• 💬 Commented on Double-to-string format using "G17" does not match .NET #2654: identified root cause and linked fix PR

2026-05-01 01:18 UTC — Run

• 🔧 Created PR fix(all): forward --pathmap: option to FCS so CallerFilePath respects (PathMap) #4585: fix: forward --pathmap: option to FCS so CallerFilePath respects `` (closes #4061)
• 💬 Commented on deterministic/relative paths in CallerFilePath #4061: identified root cause (--pathmap: discarded in extractUsefulOptionsAndSources)
• 📝 Created new monthly issue for May 2026, closed April issue [Repo Assist] Monthly Activity 2026-04 #4471

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