[Repo Assist] Monthly Activity 2026-03

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Activity for March 2026

This issue is now closed — March has ended. See the April 2026 activity issue for current activity.

Summary of March Actions

Open Repo Assist PRs from March still pending review:

• [Repo Assist] Fix FormatException when #if directive appears in mutually recursive type definition #3315: Fix FormatException when #if directive in mutually recursive type — fixes #if in mutually recursive class definition throws #3174
• [Repo Assist] Fix space before > in Stroustrup-style anonymous record type parameter #3314: Fix space before > in Stroustrup-style anonymous record type parameter — fixes Space inserted before final > in type parameter #2860
• [Repo Assist] Fix record copy expression indentation when nested in parentheses #3297: Fix record copy expression indentation when nested in parentheses — fixes Indentation warnings in record expression #2529
• [Repo Assist] Fix paren closing alignment when triple-quoted string ends at column zero, 2816 #3298: Fix paren closing alignment when triple-quoted string ends at column zero — fixes Multiline paren expr in chained application leads to invalidate code #2816
• [Repo Assist] Add tests for begin..end expressions and auto-property edge cases #3299: Add tests for begin..end expressions and auto-property edge cases
• Improve formatting of query expressions with join/on/into clauses #3223: Improve formatting of query expressions — fixes Query Expresion Formatting - Joins #3156

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Run update — 2026-03-09 (run 22855741003)

Bug fixes

• #nowarn in arbitrary places produces a parsing failure #3258 — #nowarn/#warnon idempotency: Confirmed the root cause and submitted a fix PR. The FCS parser records WarnDirectiveTrivia ranges starting at column 0 regardless of actual indentation, so GetSubTextFromRange returns the full line including leading whitespace. Calling .TrimEnd() instead of .Trim() left that whitespace in the stored trivia, causing progressive indentation drift on each format pass. Fix: change .TrimEnd() → .Trim() in collectTriviaFromDirectiveRanges (Trivia.fs). Also added a regression test. PR staged for creation.

Coding improvements

• SyntaxOak.fs doc comments (part 3): Added /// documentation comments to ~27 more previously undocumented concrete node types, including InterfaceImplNode, ElseIfNode, IfKeywordNode, FillExprNode, ExternBindingNode, ModuleAbbrevNode, NestedModuleNode, OpenModuleOrNamespaceNode, OpenTargetNode, ExceptionDefnNode, MemberDefnInterfaceNode, MemberDefnAutoPropertyNode, MemberDefnAbstractSlotNode, ValNode, PropertyGetSetBindingNode, MemberDefnPropertyGetSetNode, MemberDefnSigMemberNode, LinkSingleAppParen, LinkSingleAppUnit, RationalNode, NegateRationalNode, UnitNode, ConstantMeasureNode, and more. PR staged for creation.

Labels applied

• Issue #nowarn in arbitrary places produces a parsing failure #3258: bug (soundness)

Prior RA PR status

• [Repo Assist] Add doc comments to remaining Expr*Node types in SyntaxOak.fs #3252 ✅ merged (Expr*Node doc comments)
• [Repo Assist] Fix: multiline CE builder name with fsharp_newline_before_multiline_computation_expression=false produces invalid code (#3155) #3255 ✅ merged (CE multiline fix for fsharp_newline_before_multiline_computation_expression = false may cause parse error if CE is called from an expression #3155)
• [Repo Assist] Fix: always add space before parameters in operator member definitions (#2864) #3253 ❌ closed without merge (operator member spacing)
• [Repo Assist] Fix: no space before paren args in ? operator chains (#3159) #3245 ❌ closed without merge (? operator chains)

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