1 Release published by 1 person

• v13.9.300-beta.25181.1 .NET 10.0 Preview 3

  published Apr 14, 2025

45 Pull requests merged by 13 people

• Fix mixed emit-multi+/- sessions

  #18465 merged May 5, 2025

• include accessibility range in SynPat.Named

  #18526 merged May 2, 2025

• Enable TypeSubsumptionCache for IDE use

  #18499 merged May 1, 2025

• Code completion: fix getting qualifier expression in do statements in type decls

  #18524 merged Apr 30, 2025

• Tests: Reduce memory use in ComponentTests

  #18527 merged Apr 30, 2025

• Extension config

  #18219 merged Apr 30, 2025

• Checker: don't capture environment for checked modules

  #18519 merged Apr 30, 2025

• Allow _ in use! bindings values

  #18487 merged Apr 28, 2025

• [automated] Merge branch 'main' => 'feature/lsp'

  #18480 merged Apr 28, 2025

• [main] Update dependencies from dotnet/arcade

  #18511 merged Apr 28, 2025

• Consolidate SynExpr.LetOrUseBang(isUse=false)

  #18482 merged Apr 25, 2025

• [main] Update dependencies from dotnet/msbuild

  #18478 merged Apr 25, 2025

• Update nuget

  #18504 merged Apr 25, 2025

• Imp[rove Caret

  #18502 merged Apr 24, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18501 merged Apr 24, 2025

• Standardize project settings to opt-out from 'unused bindings' detection across the repo

  #18431 merged Apr 24, 2025

• Proposal: Create copilot-instructions.md

  #18490 merged Apr 24, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18481 merged Apr 24, 2025

• Fix overbuilding fsharp & define solution to build in script for VMR

  #18491 merged Apr 24, 2025

• [release/dev18.0] Source code updates from dotnet/dotnet

  #18498 merged Apr 24, 2025

• [main] Update dependencies from dotnet/source-build-reference-packages

  #18494 merged Apr 24, 2025

• Update package Category

  #18479 merged Apr 23, 2025

• and! support in TaskBulder

  #18451 merged Apr 17, 2025

• Consolidate SynExpr.LetOrUseBang(isUse= true)

  #18472 merged Apr 16, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18477 merged Apr 15, 2025

• [automated] Merge branch 'main' => 'feature/lsp'

  #18476 merged Apr 15, 2025

• Fix resumable and non-resumable CE error ranges

  #18450 merged Apr 14, 2025

• [automated] Merge branch 'main' => 'feature/lsp'

  #18455 merged Apr 11, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18470 merged Apr 11, 2025

• Minor diag fixes in TypedTreePickle

  #18469 merged Apr 10, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18464 merged Apr 10, 2025

• [main] Update dependencies from dotnet/source-build-reference-packages

  #18466 merged Apr 10, 2025

• Tests: add helper Stress attribute for stress testing

  #18452 merged Apr 10, 2025

• [main] Update dependencies from dotnet/msbuild

  #18467 merged Apr 10, 2025

• Type checker: don't suppress errors while checking expressions

  #18311 merged Apr 9, 2025

• Make [<CallerMemberName; Struct>] combination work

  #18444 merged Apr 9, 2025

• [main] Update dependencies from dotnet/msbuild

  #18462 merged Apr 9, 2025

• [main] Update dependencies from dotnet/arcade

  #18461 merged Apr 9, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18458 merged Apr 8, 2025

• Tooltips: fix null annotation highlighting

  #18457 merged Apr 8, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18456 merged Apr 8, 2025

• Fix a copypaste checking bug in unpickling

  #18430 merged Apr 8, 2025

• [main] Update dependencies from dotnet/arcade

  #18449 merged Apr 7, 2025

• [main] Update dependencies from dotnet/source-build-reference-packages

  #18447 merged Apr 7, 2025

• Update maintenance-packages versions

  #18446 merged Apr 7, 2025

18 Pull requests opened by 8 people

• Use .NET10p3 SDK

  #18471 opened Apr 11, 2025

• Localized file check-in by OneLocBuild Task: Build definition ID 499: Build ID 2698486

  #18474 opened Apr 14, 2025

• Make attribute target mismatch a warning and not an error.

  #18492 opened Apr 23, 2025

• [automated] Merge branch 'main' => 'release/dev18.0'

  #18503 opened Apr 24, 2025

• [automated] Merge branch 'release/dev17.14' => 'release/dev18.0'

  #18505 opened Apr 25, 2025

• Allow `let!` and `use!` binding with type annotation without parentheses.

  #18508 opened Apr 26, 2025

• SIMD vectorization of Array.sum<int>, etc

  #18509 opened Apr 26, 2025

• Misc. unused opens analyzer fixes

  #18510 opened Apr 26, 2025

• Use struct tuples instead of reference tuples for orders defined in terms of pairs

  #18513 opened Apr 27, 2025

• Update System packages

  #18514 opened Apr 28, 2025

• [automated] Merge branch 'main' => 'feature/lsp'

  #18515 opened Apr 28, 2025

• Multi agent parallel testing in CI

  #18523 opened Apr 29, 2025

• Fix race in cache eviction

  #18528 opened May 2, 2025

• Cancellable: always catch internal cancellations

  #18531 opened May 5, 2025

• opt-in warning attribute not valid for union case with fields

  #18532 opened May 5, 2025

• Allow `return|return!` `yield|yield!` and type annotations without parentheses

  #18533 opened May 5, 2025

• Keep parens around records in interpolated strings

  #18534 opened May 5, 2025

• [main] Update dependencies from dotnet/arcade

  #18535 opened May 6, 2025

21 Issues closed by 9 people

• FSI multi-emit unstable

  #18441 closed May 5, 2025

• `SynPat.Range` doesn't include active pattern parens

  #13834 closed May 5, 2025

• Range of `SynPat.Named` doesn't include `accessibility`

  #13115 closed May 2, 2025

• Compiler resolving un-usable assemblies for TypeProviders config

  #18500 closed May 1, 2025

• Code completion considers types from own namespace non-imported

  #18518 closed Apr 30, 2025

• [Automated] PRs inserted in VS build feature.debugger.main-10524.256

  #18507 closed Apr 28, 2025

• [Automated] PRs inserted in VS build feature.debugger.main-10524.278

  #18506 closed Apr 28, 2025

• Change test display names in Azure Dev Ops

  #10002 closed Apr 28, 2025

• Allow `_` in async `use! _` pattern (lift FS1228 restriction)

  #16343 closed Apr 28, 2025

• [dnceng-bot] Branch `fsharp/release/dev16.11` can't be mirrored to Azdo fast forward branch

  #18485 closed Apr 28, 2025

• Exption thrown when deserializing inherited type from json

  #18484 closed Apr 25, 2025

• Duplicate nested module inside "module rec" gives odd error

  #5477 closed Apr 25, 2025

• Please document EmbeddedText

  #6890 closed Apr 25, 2025

• Add ILSpy integration like C#

  #4512 closed Apr 25, 2025

• Remove use of legacy images

  #18493 closed Apr 25, 2025

• Is XML doc id expected to "uniquely" identify a method?

  #18483 closed Apr 17, 2025

• [Automated] PRs inserted in VS build feature.debugger.main-10508.71

  #18463 closed Apr 14, 2025

• [Automated] PRs inserted in VS build main-10508.08

  #18460 closed Apr 14, 2025

• Confusing type inference error in task expression

  #13789 closed Apr 14, 2025

• Type checker errors should be reported when syntax errors are present

  #17787 closed Apr 9, 2025

• Struct optional parameter with caller info attributes will fails in type check

  #18386 closed Apr 9, 2025

9 Issues opened by 8 people

• Bring [<Erased>] attribute to FSharp.Core and add simple features around it

  #18529 opened May 4, 2025

• [dnceng-bot] Branch `fsharp/release/dev17.12` can't be mirrored to Azdo fast forward branch

  #18525 opened Apr 29, 2025

• Can't see range text in FCS tests

  #18521 opened Apr 28, 2025

• Enable multi agent parallel testing in CI

  #18517 opened Apr 28, 2025

• Unable to create a byref-like DU holding a ref type

  #18512 opened Apr 27, 2025

• `assert` keyword: have compiler emit call to `Debug.Assert` overload with `CallerArgumentExpression` where possible

  #18489 opened Apr 21, 2025

• Nullness issue - `match` control flow for reference types

  #18488 opened Apr 20, 2025

• Type checking is cancelled on parsing errors in the compiler compilations

  #18454 opened Apr 7, 2025

• Change compiler suggestion when not using return value of a function that returns a `Task`

  #18453 opened Apr 7, 2025

52 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Support `CallerArgumentExpression` (without `#line`)

  #17519 commented on May 5, 2025 • 22 new comments

• Scoped nowarn

  #18049 commented on May 5, 2025 • 3 new comments

• No service error for using CompiledName on multiple values

  #6131 commented on Apr 24, 2025 • 0 new comments

• Wrong confusing warning FS1189 when using SRTP with active patterns

  #7797 commented on Apr 25, 2025 • 0 new comments

• `[<System.ParamArray>]` parameter in member function causes type check error.

  #17957 commented on Apr 26, 2025 • 0 new comments

• SIMD vectorisation

  #16230 commented on Apr 26, 2025 • 0 new comments

• ActivePatterns: Compilation issues (memory and speed)

  #18425 commented on Apr 28, 2025 • 0 new comments

• No diagnostic when custom attributes ignored on unparenthesized tuple type

  #462 commented on Apr 28, 2025 • 0 new comments

• Allow CE `return` and type annotations to play well together without needing parentheses

  #15788 commented on Apr 29, 2025 • 0 new comments

• Offside rules for accessibility modifier after the '=' in record declarations might need work

  #7747 commented on Apr 30, 2025 • 0 new comments

• Multiple Constructors require different syntax

  #4704 commented on Apr 30, 2025 • 0 new comments

• Inconsistent parenthesization requirements for single-argument additional constructors (with `new`)

  #16257 commented on Apr 30, 2025 • 0 new comments

• Wrong let expression parsing

  #7741 commented on May 1, 2025 • 0 new comments

• Strange behavior in runtime

  #18417 commented on May 1, 2025 • 0 new comments

• Multiline type arguments parse issue

  #15171 commented on May 1, 2025 • 0 new comments

• Code attribute with literal constant demands parenthesis

  #5316 commented on May 1, 2025 • 0 new comments

• Add support for referencing .NET projects in F# interactive

  #8764 commented on May 4, 2025 • 0 new comments

• Error constructing struct record in member using 'with'

  #7536 commented on May 4, 2025 • 0 new comments

• [Parser recovery] DU type without `=` sign

  #16367 commented on May 5, 2025 • 0 new comments

• TAST issues with Unions with values

  #8854 commented on May 5, 2025 • 0 new comments

• better error recovery / invalid syntax around anonymous type and units of measure literal

  #10629 commented on May 5, 2025 • 0 new comments

• Improve warning diagnostics on computed list expressions that do not yield anything or yield unit values

  #12194 commented on May 5, 2025 • 0 new comments

• Unclear error message for CE custom operations

  #10662 commented on May 5, 2025 • 0 new comments

• Improve compilation error when parametrizing non-partial active patterns

  #12932 commented on May 5, 2025 • 0 new comments

• Preliminary Map.binarySearch function with tests

  #15107 commented on May 1, 2025 • 0 new comments

• Support more types in simple for-loops

  #18301 commented on Apr 25, 2025 • 0 new comments

• Fsharp non-deterministically fails to download vswhere

  #18432 commented on Apr 7, 2025 • 0 new comments

• Anonymous interface implementation accessibility when tuple deconstruction is used.

  #4161 commented on Apr 8, 2025 • 0 new comments

• Colorize text in FSharpDiagnostics

  #18442 commented on Apr 8, 2025 • 0 new comments

• Access modifier `type private X with ...` type extensions is ignored

  #4654 commented on Apr 8, 2025 • 0 new comments

• Visual Studio selects the highest version of the sdk installed on the machine when executing scripts in FSI

  #17307 commented on Apr 8, 2025 • 0 new comments

• Support for UnmanagedCallersOnlyAttribute Class.

  #18445 commented on Apr 9, 2025 • 0 new comments

• We should disable the --multiemit[+/-] switch in fsi.

  #17308 commented on Apr 10, 2025 • 0 new comments

• Visual Studio is failing to load 3 FSharp package resources

  #10089 commented on Apr 10, 2025 • 0 new comments

• Tooling :: Interop story for .NET libraries using C# source generators for high performance

  #14300 commented on Apr 11, 2025 • 0 new comments

• Running F# scripts in unix without proper file extensions results in strange behaviour

  #1241 commented on Apr 11, 2025 • 0 new comments

• Highly confusing error with single whitespace change in a list expression

  #5471 commented on Apr 12, 2025 • 0 new comments

• Improve Error Reporting: no expression in computation expression

  #6717 commented on Apr 12, 2025 • 0 new comments

• Improve error message about necessary type annotations when generic class member calls the same member on an instance with a concrete class

  #5824 commented on Apr 12, 2025 • 0 new comments

• Struct tuple type alias should give better error message

  #7014 commented on Apr 12, 2025 • 0 new comments

• FS0001 reported instead of FS0722

  #7018 commented on Apr 12, 2025 • 0 new comments

• Warning missing for members hiding members in special inheritance cases

  #5803 commented on Apr 12, 2025 • 0 new comments

• Misleading error in pipeline after another pipeline is added to it

  #5994 commented on Apr 12, 2025 • 0 new comments

• Type declaration isn't type checked when type inherits unknown type

  #5399 commented on Apr 12, 2025 • 0 new comments

• Language Service does not show FS0247 error

  #6035 commented on Apr 12, 2025 • 0 new comments

• let! binding with type annotation without parentheses yields error FS0010: Unexpected symbol ':' in expression

  #10697 commented on Apr 12, 2025 • 0 new comments

• Visual Studio constantly hangs for multitarget project - stacks point to F# code.

  #18392 commented on Apr 14, 2025 • 0 new comments

• Intellisense broken in VisualFSharp solution in VS

  #17794 commented on Apr 15, 2025 • 0 new comments

• Hot Reload

  #11636 commented on Apr 17, 2025 • 0 new comments

• Trimmed assemblies should not contain sig and opt data

  #15605 commented on Apr 21, 2025 • 0 new comments

• usage of semicolon in computation expression valid, but not on a single line?

  #7261 commented on Apr 22, 2025 • 0 new comments

• Type extension issue with `allows ref struct`

  #18001 commented on Apr 23, 2025 • 0 new comments