[Repo Assist] Monthly Activity 2026-03

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Activity for March 2026

Suggested Actions for Maintainer

Comprehensive list of all pending actions requiring maintainer attention:

• Review PR (perf): TaskSeq.chunkBy and chunkByAsync reuse ResizeArray buffer between chunks — Browse branch
• Check comment on TaskEx index #139: Automated comment contains conflicting claims about Task.ignore in FSharp.Core — both the original claim and the correction were unreliable; @bartelink confirmed there is no Task.ignore in FSharp.Core — View
• Check comment on TaskEx: ignore #140: Active discussion between T-Gro and bartelink on Task/Async API — Repo Assist comment noted ignore functions already in Utils.fs — View
• Check comment on Tail recursion for TaskSeq #62: Repo Assist summarised the blocking F# compiler issue and two-phase plan — View
• Check comment on TaskEx: AwaitTaskCorrect / Task.toAsync / Async.ofTask #141: Repo Assist linked the private awaitTaskCorrect fix; bartelink noted issue stays as placeholder for live correctness problem — View
• Check comment on TaskEx: Async.startImmediateAsTask #142: Repo Assist discussed startImmediateAsTask proposal; active discussion between bartelink and T-Gro on naming — View
• Check comment on TaskEx: parallelLimit #143: Repo Assist discussed Async.parallelLimit design — View
• Check comment on Implement dynamic versions of the resumable code #246: Repo Assist provided technical analysis of dynamic resumable code — View

Future Work for Repo Assist

• Do NOT re-implement rev/sort/sortBy/sortWith/sortDescending — rejected by @dsyme in [Repo Assist] feat: add TaskSeq.rev, sort, sortDescending, sortBy/Async, sortByDescending/Async, sortWith (101 tests) #309
• Do NOT re-attempt TaskSeq.allPairs — PR [Repo Assist] feat: add TaskSeq.allPairs (69 tests) #333 closed without merge
• Do NOT re-attempt TaskSeq.zip4 — PR [Repo Assist] feat: add TaskSeq.zip4 (53 tests) #326 closed without merge
• Do NOT re-attempt TaskSeq.map3/map3Async — PR [Repo Assist] feat: add TaskSeq.map3 and TaskSeq.map3Async (81 tests) #331 closed without merge
• Do NOT re-attempt TaskSeq.iteri2/mapi2 — PR [Repo Assist] feat: add TaskSeq.iteri2, iteri2Async, mapi2, mapi2Async #330 closed without merge
• Do NOT re-attempt TaskSeq.splitInto — PR [Repo Assist] feat: add TaskSeq.splitInto #327 closed without merge
• Do NOT re-attempt TaskSeq.exists2/forall2/fold2 — PR [Repo Assist] feat: add TaskSeq.map2, map2Async, iter2, iter2Async (124 tests) #322, [Repo Assist] feat: add TaskSeq.exists2, forall2, forall2Async, fold2, fold2Async (206 tests) #324 closed without merge
• Do NOT re-attempt TaskSeq.map2/iter2 — PR [Repo Assist] feat: add TaskSeq.map2, map2Async, iter2, iter2Async (124 tests) #322 closed without merge
• Group 1 functions merged via PR [Repo Assist] feat: add Group 1 AsyncSeq design-parity functions (replicateInfinite, firstOrDefault, lastOrDefault, splitAt, zipWith, chunkBy, [Content truncated due to length] #350. Await maintainer feedback before Group 2/3.
• Active design discussion (TaskEx: ignore #140, TaskEx: AwaitTaskCorrect / Task.toAsync / Async.ofTask #141, TaskEx: Async.startImmediateAsTask #142) between T-Gro and bartelink on Task/Async API for FSharp.Core — watch for decisions that may open new work items.

Run History

2026-03-31 01:02 UTC — Run

• 🔧 Created PR (perf): TaskSeq.chunkBy/chunkByAsync reuse ResizeArray buffer between chunks, eliminating one allocation per chunk boundary; 5017 tests pass (Task 8)

2026-03-25 15:53 UTC — Run

• 🔧 Created PR [Repo Assist] Update fantomas from 6.3.0-alpha-004 to 7.0.5 #370: update fantomas from 6.3.0-alpha-004 to 7.0.5 (closes Update to latest fantomas non-alpha release #368); re-formatted 4 files; 5017 tests pass — merged ✓

2026-03-24 01:19 UTC — Run

• 🔧 Attempted PR for docs.yaml action version alignment (closes [Repo Assist] ci: align action versions in docs workflow and add NuGet cache to publish workflow #361) — push rejected (protected workflow files); [Repo Assist] ci: align action versions in docs workflow and add NuGet cache to publish workflow #361 subsequently closed by dsyme ✓

2026-03-22 01:19 UTC — Run

• 💬 Commented on TaskEx index #139: corrected inaccurate claim about Task.ignore/ValueTask.ignore (the correction itself was also inaccurate — @bartelink confirmed on 2026-03-22 that there is no Task.ignore in FSharp.Core)

2026-03-21 01:18 UTC — Run

• 🔧 Created PR [Repo Assist] fix: null source raises ArgumentNullException for insertAt, removeAt, updateAt #360 (fix): insertAt, insertManyAt, removeAt, removeManyAt, updateAt now raise ArgumentNullException on null source; 4 new null-arg tests; 5017 tests pass — merged ✓

2026-03-19 01:19 UTC — Run

• 🔧 Created PR [Repo Assist] docs: add documentation for new 1.0.0 functions #358 (docs): add documentation for new 1.0.0 functions — merged ✓

2026-03-18 01:20 UTC — Run

• 💬 Commented on TaskEx: ignore #140: noted ignore functions already implemented in Utils.fs
• 🔧 Created PR [Repo Assist] eng: upgrade test project target framework from net9.0 to net10.0 #354 (eng): upgrade test project target framework to net10.0 — merged ✓

2026-03-17 01:20 UTC — Run

• 🔧 Created PR [Repo Assist] perf: optimize windowed ring-buffer and toResizeArrayAsync #351 (perf): optimize windowed hot-loop and toResizeArrayAsync — closed without merge ✗
• 🔧 Created PR [Repo Assist] refactor: simplify lengthBy and lengthBeforeMax using while! #352 (refactor): simplify lengthBy/lengthBeforeMax with while! — merged ✓

Earlier runs (2026-03-07 to 2026-03-17)

• 🔧 Various feat/fix/test/doc/eng PRs — mostly merged ✓; several feature PRs closed without merge ✗

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🤖 Repo Assist here — updating the monthly activity summary.

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Suggested Actions for Maintainer

Comprehensive list of all pending actions requiring maintainer attention:

• Close PR [Repo Assist] feat: add TaskSeq.rev, sort, sortDescending, sortBy, sortByDescending, sortWith, sortByAsync, sortByDescendingAsync #316: feat — add TaskSeq.rev, sort, etc. — PLEASE CLOSE: duplicates PR [Repo Assist] feat: add TaskSeq.rev, sort, sortDescending, sortBy/Async, sortByDescending/Async, sortWith (101 tests) #309 which @dsyme already closed as "not needed". Repo Assist made this in error. — View
• Review PR [Repo Assist] feat: add TaskSeq.splitInto #327: feat — add TaskSeq.splitInto; 91 tests; all 4,621 pass — Review
• Review PR [Repo Assist] feat: add TaskSeq.zip4 (53 tests) #326: feat — add TaskSeq.zip4; 53 tests; all 4590 pass — Review
• Review PR [Repo Assist] feat: add TaskSeq.exists2, forall2, forall2Async, fold2, fold2Async (206 tests) #324: feat — add TaskSeq.exists2, forall2, forall2Async, fold2, fold2Async; 206 tests — Review
• Review PR [Repo Assist] feat: add TaskSeq.map2, map2Async, iter2, iter2Async (124 tests) #322: feat — add TaskSeq.map2, map2Async, iter2, iter2Async; 124 tests — Review
• Review PR [Repo Assist] fix: async { for x in taskSeq } no longer wraps exceptions in AggregateException #321: fix — async { for x in taskSeq } no longer wraps exceptions in AggregateException; closes Remove AggregateException wrapping in Async CE for extension and prevent threadpool transition #129; 2 regression tests — Review
• Review PR [Repo Assist] feat: add TaskSeq.compareWith and TaskSeq.compareWithAsync (58 tests) #318: feat — add TaskSeq.compareWith and compareWithAsync; 58 tests — Review
• Review PR [Repo Assist] docs: update README to mark 0.6.0 functions as implemented #317: docs — update README to mark 0.6.0 functions as implemented — Review
• Review PR [Repo Assist] eng: update test package dependencies to current stable versions #319: eng — update test packages (Microsoft.NET.Test.Sdk 18.3.0, xunit 2.9.3, xunit.runner.visualstudio 2.8.2) — Review
• Review PR [Repo Assist] test: add missing side-effect and Seq-equivalence tests for sum/average #320: test — add 44 missing side-effect and Seq-equivalence tests for sum/average — Review
• Check comment on TaskEx: Async.startImmediateAsTask #142: Repo Assist discussed Async.startImmediateAsTask proposal, naming rationale, and relationship to TaskEx: AwaitTaskCorrect / Task.toAsync / Async.ofTask #141 — View
• Check comment on TaskEx: AwaitTaskCorrect / Task.toAsync / Async.ofTask #141: Repo Assist linked the private awaitTaskCorrect fix in PR [Repo Assist] fix: async { for x in taskSeq } no longer wraps exceptions in AggregateException #321 to the public Async.ofTask proposal — View
• Check comment on Remove AggregateException wrapping in Async CE for extension and prevent threadpool transition #129: Repo Assist identified root cause and submitted fix PR [Repo Assist] fix: async { for x in taskSeq } no longer wraps exceptions in AggregateException #321 — View
• Check comment on Support withCancellation #167: Repo Assist added a withCancellation workaround for ConfiguredCancelableAsyncEnumerable — View
• Check comment on Implement dynamic versions of the resumable code #246: Repo Assist provided technical analysis of dynamic resumable code — View

Future Work for Repo Assist

• Implement iteri2/iteri2Async and mapi2/mapi2Async once PRs [Repo Assist] feat: add TaskSeq.map2, map2Async, iter2, iter2Async (124 tests) #322/[Repo Assist] feat: add TaskSeq.exists2, forall2, forall2Async, fold2, fold2Async (206 tests) #324 are merged
• Implement map3/map3Async once PRs [Repo Assist] feat: add TaskSeq.map2, map2Async, iter2, iter2Async (124 tests) #322/[Repo Assist] feat: add TaskSeq.exists2, forall2, forall2Async, fold2, fold2Async (206 tests) #324 are merged
• Do NOT re-implement rev/sort/sortBy/sortWith/sortDescending — rejected by @dsyme in [Repo Assist] feat: add TaskSeq.rev, sort, sortDescending, sortBy/Async, sortByDescending/Async, sortWith (101 tests) #309

Run History

2026-03-10 13:35 UTC — Run

• 🔧 Created PR [Repo Assist] feat: add TaskSeq.splitInto #327: feat — add TaskSeq.splitInto; 91 tests; 4,621 total pass (Task 5)
• 💬 Commented on TaskEx: Async.startImmediateAsTask #142: discussed Async.startImmediateAsTask proposal, naming rationale, relationship to TaskEx: AwaitTaskCorrect / Task.toAsync / Async.ofTask #141 (Task 2)

2026-03-10 07:08 UTC — Run

• 🔧 Created PR [Repo Assist] feat: add TaskSeq.zip4 (53 tests) #326: feat — add TaskSeq.zip4; 53 tests; 4590 total pass (Task 3)

2026-03-09 19:09 UTC — Run

• 🔧 Created PR [Repo Assist] feat: add TaskSeq.exists2, forall2, forall2Async, fold2, fold2Async (206 tests) #324: feat — TaskSeq.exists2, forall2, forall2Async, fold2, fold2Async; 206 tests (Tasks 3+9)

2026-03-09 13:14 UTC — Run

• 🔧 Created PR [Repo Assist] feat: add TaskSeq.map2, map2Async, iter2, iter2Async (124 tests) #322: feat — TaskSeq.map2, map2Async, iter2, iter2Async; 124 tests (Task 3)
• 💬 Commented on TaskEx: AwaitTaskCorrect / Task.toAsync / Async.ofTask #141: linked awaitTaskCorrect pattern to Async.ofTask proposal; discussed scope (Task 2)

2026-03-09 07:13 UTC — Run

• 🔧 Created PR [Repo Assist] fix: async { for x in taskSeq } no longer wraps exceptions in AggregateException #321: fix — async { for x in taskSeq } no longer wraps exceptions in AggregateException; closes Remove AggregateException wrapping in Async CE for extension and prevent threadpool transition #129 (Task 3)
• 💬 Commented on Remove AggregateException wrapping in Async CE for extension and prevent threadpool transition #129: identified Async.AwaitTask as root cause; submitted fix (Task 2)

2026-03-09 01:16 UTC — Run

• 🔧 Created PR [Repo Assist] eng: update test package dependencies to current stable versions #319: eng — update test packages (Task 4)
• 🔧 Created PR [Repo Assist] test: add missing side-effect and Seq-equivalence tests for sum/average #320: test — add 44 side-effect/Seq-equivalence tests for sum/average (Task 9)

2026-03-08 18:59 UTC — Run

• 🔧 Created PR [Repo Assist] feat: add TaskSeq.compareWith and TaskSeq.compareWithAsync (58 tests) #318: feat — add TaskSeq.compareWith and compareWithAsync; 58 tests (Task 5)
• 🔧 Created PR [Repo Assist] docs: update README to mark 0.6.0 functions as implemented #317: docs — update README to mark v0.6.0 functions as implemented (Task 4)

2026-03-08 13:10 UTC — Run

• 🔧 Created PR [Repo Assist] feat: add TaskSeq.rev, sort, sortDescending, sortBy, sortByDescending, sortWith, sortByAsync, sortByDescendingAsync #316: ERROR — duplicates rejected PR [Repo Assist] feat: add TaskSeq.rev, sort, sortDescending, sortBy/Async, sortByDescending/Async, sortWith (101 tests) #309; please close
• 💬 Commented on Support withCancellation #167: added withCancellation workaround (Task 2)

2026-03-08 07:04 UTC — Run

• 🔧 Created PR [Repo Assist] eng: enable package validation (#259) #315: eng — enable EnablePackageValidation (closes Consider adding Package Validation to document binary compatibility #259) — merged ✓
• 💬 Commented on Implement dynamic versions of the resumable code #246: technical analysis of dynamic resumable code (Task 2)

Earlier runs (2026-03-07 to 2026-03-08)

• 🔧 PRs [Repo Assist] perf: remove unnecessary Lazy allocation in TaskSeq.init per iteration #284, [Repo Assist] perf/test: replace ConcurrentHashSet with plain HashSet in except; add zip/indexed tests #292, [Repo Assist] feat/test: add TaskSeq.pairwise; expand distinctUntilChanged tests #293, [Repo Assist] perf/ci: add NuGet caching and reduce test delays #295–🚀 Bump version to 0.6.0 and update docs #314: various perf, test, feat, doc improvements — all merged ✓
• 💬 Various issue comments (see previous run history entries)

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