[github-actions]

🤖 New versions available

Project	Status	New Version
src/Fable.Compiler	🚀	5.6.0
src/Fable.Core	✅
src/fable-standalone	🚀	2.5.0
src/fable-compiler-js	🚀	2.5.0
src/Fable.AST	✅
src/fable-metadata	✅
src/fable-library-ts	🚀	2.4.0
src/Fable.PublishUtils	✅
src/Fable.Cli	🚀	5.6.0

Legend:

• ✅ No version bump required
• 🚀 New version

src/Fable.Compiler

5.6.0 - 2026-07-05

🚀 Features

• (all) Allow [<Emit>] on StringEnum cases (feat(all): allow [<Emit>] on StringEnum cases #4711) (0b1f61ee)
• (js/ts) Optimize printfn with constant string to console.log (feat(js/ts): optimize printfn with constant string to console.log #4718) (2d6d083a)
• (js/ts) Add Path.Combine support (b1b1e273)
• (js/ts) Add System.IO.Path and System.IO.File API support (ec99fac5)
• (js/ts/python) Warn on duplicate attached member names (feat(js/ts): warn on duplicate attached member names  #4715) (fd06aa64)
• (js/ts/python) Add Environment and Console.Error support (6e082f95)
• (py) Add Path.Combine support (4c901c65)
• (python) Add Directory.Exists, Directory.CreateDirectory (f4b4eabc)
• (ts) [] interfaces extend parent [] type (feat(ts): [<Pojo>] interfaces extend parent [<Pojo>] type #4717) (4f4243cd)

🐞 Bug Fixes

• Generate an error on erased union case typed as obj (fix: generate an error on erased union case typed as obj #4710) (bf2134d5)
• (all) Include return type in overload suffix for op_Implicit/op_Explicit (fix(all): include return type in overload suffix for op_Implicit/op_Explicit #4712) (a6846010)
• (js/ts) DateTime.ToString() and %A are now consistent across all DateTimeKind values (fix(js/ts): DateTime.ToString() and %A are now consistent across all DateTimeKind values #4714) (de98b0e4)
• (python) Accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases (fix(python): accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases #4722) (7f915f1d)
• (ts) Strip byref annotation from compiler-generated copy-update locals (fix(ts): strip byref annotation from compiler-generated copy-update locals #4716) (1e072ed2)

⚡ Performance Improvements

• Split Fable.Transforms into per-target projects for faster incremental builds (perf: split Fable.Transforms into per-target projects for faster incremental builds #4720) (260c962f)

View changes on Github

src/fable-standalone

2.5.0 - 2026-07-05

🚀 Features

• (all) Allow [<Emit>] on StringEnum cases (feat(all): allow [<Emit>] on StringEnum cases #4711) (0b1f61ee)
• (js/ts) Optimize printfn with constant string to console.log (feat(js/ts): optimize printfn with constant string to console.log #4718) (2d6d083a)
• (js/ts) Add Path.Combine support (b1b1e273)
• (js/ts) Add System.IO.Path and System.IO.File API support (ec99fac5)
• (js/ts/python) Warn on duplicate attached member names (feat(js/ts): warn on duplicate attached member names  #4715) (fd06aa64)
• (js/ts/python) Add Environment and Console.Error support (6e082f95)
• (py) Add Path.Combine support (4c901c65)
• (python) Add Directory.Exists, Directory.CreateDirectory (f4b4eabc)
• (ts) [] interfaces extend parent [] type (feat(ts): [<Pojo>] interfaces extend parent [<Pojo>] type #4717) (4f4243cd)

🐞 Bug Fixes

• Generate an error on erased union case typed as obj (fix: generate an error on erased union case typed as obj #4710) (bf2134d5)
• (all) Include return type in overload suffix for op_Implicit/op_Explicit (fix(all): include return type in overload suffix for op_Implicit/op_Explicit #4712) (a6846010)
• (js/ts) DateTime.ToString() and %A are now consistent across all DateTimeKind values (fix(js/ts): DateTime.ToString() and %A are now consistent across all DateTimeKind values #4714) (de98b0e4)
• (python) Accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases (fix(python): accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases #4722) (7f915f1d)
• (ts) Strip byref annotation from compiler-generated copy-update locals (fix(ts): strip byref annotation from compiler-generated copy-update locals #4716) (1e072ed2)

⚡ Performance Improvements

• Split Fable.Transforms into per-target projects for faster incremental builds (perf: split Fable.Transforms into per-target projects for faster incremental builds #4720) (260c962f)

View changes on Github

src/fable-compiler-js

2.5.0 - 2026-07-05

🚀 Features

• (all) Allow [<Emit>] on StringEnum cases (feat(all): allow [<Emit>] on StringEnum cases #4711) (0b1f61ee)
• (js/ts) Optimize printfn with constant string to console.log (feat(js/ts): optimize printfn with constant string to console.log #4718) (2d6d083a)
• (js/ts) Add Path.Combine support (b1b1e273)
• (js/ts) Add System.IO.Path and System.IO.File API support (ec99fac5)
• (js/ts/python) Warn on duplicate attached member names (feat(js/ts): warn on duplicate attached member names  #4715) (fd06aa64)
• (js/ts/python) Add Environment and Console.Error support (6e082f95)
• (py) Add Path.Combine support (4c901c65)
• (python) Add Directory.Exists, Directory.CreateDirectory (f4b4eabc)
• (ts) [] interfaces extend parent [] type (feat(ts): [<Pojo>] interfaces extend parent [<Pojo>] type #4717) (4f4243cd)

🐞 Bug Fixes

• Generate an error on erased union case typed as obj (fix: generate an error on erased union case typed as obj #4710) (bf2134d5)
• (all) Include return type in overload suffix for op_Implicit/op_Explicit (fix(all): include return type in overload suffix for op_Implicit/op_Explicit #4712) (a6846010)
• (js/ts) DateTime.ToString() and %A are now consistent across all DateTimeKind values (fix(js/ts): DateTime.ToString() and %A are now consistent across all DateTimeKind values #4714) (de98b0e4)
• (python) Accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases (fix(python): accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases #4722) (7f915f1d)
• (ts) Strip byref annotation from compiler-generated copy-update locals (fix(ts): strip byref annotation from compiler-generated copy-update locals #4716) (1e072ed2)

⚡ Performance Improvements

• Split Fable.Transforms into per-target projects for faster incremental builds (perf: split Fable.Transforms into per-target projects for faster incremental builds #4720) (260c962f)

View changes on Github

src/fable-library-ts

2.4.0 - 2026-07-05

🚀 Features

• (js/ts) Add System.IO.Path and System.IO.File API support (ec99fac5)
• (js/ts/python) Add Environment and Console.Error support (6e082f95)

🐞 Bug Fixes

• (js/ts) DateTime.ToString() and %A are now consistent across all DateTimeKind values (fix(js/ts): DateTime.ToString() and %A are now consistent across all DateTimeKind values #4714) (de98b0e4)

View changes on Github

src/Fable.Cli

5.6.0 - 2026-07-05

🚀 Features

• (all) Allow [<Emit>] on StringEnum cases (feat(all): allow [<Emit>] on StringEnum cases #4711) (0b1f61ee)
• (js/ts) Optimize printfn with constant string to console.log (feat(js/ts): optimize printfn with constant string to console.log #4718) (2d6d083a)
• (js/ts) Add Path.Combine support (b1b1e273)
• (js/ts) Add System.IO.Path and System.IO.File API support (ec99fac5)
• (js/ts/python) Warn on duplicate attached member names (feat(js/ts): warn on duplicate attached member names  #4715) (fd06aa64)
• (js/ts/python) Add Environment and Console.Error support (6e082f95)
• (py) Add Path.Combine support (4c901c65)
• (python) Add Directory.Exists, Directory.CreateDirectory (f4b4eabc)
• (ts) [] interfaces extend parent [] type (feat(ts): [<Pojo>] interfaces extend parent [<Pojo>] type #4717) (4f4243cd)

🐞 Bug Fixes

• Generate an error on erased union case typed as obj (fix: generate an error on erased union case typed as obj #4710) (bf2134d5)
• (all) Include return type in overload suffix for op_Implicit/op_Explicit (fix(all): include return type in overload suffix for op_Implicit/op_Explicit #4712) (a6846010)
• (js/ts) DateTime.ToString() and %A are now consistent across all DateTimeKind values (fix(js/ts): DateTime.ToString() and %A are now consistent across all DateTimeKind values #4714) (de98b0e4)
• (python) Accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases (fix(python): accept allowAccessToPrivateRepresentation in FSharpType.IsUnion/IsRecord/GetUnionCases #4722) (7f915f1d)
• (ts) Strip byref annotation from compiler-generated copy-update locals (fix(ts): strip byref annotation from compiler-generated copy-update locals #4716) (1e072ed2)

⚡ Performance Improvements

• Split Fable.Transforms into per-target projects for faster incremental builds (perf: split Fable.Transforms into per-target projects for faster incremental builds #4720) (260c962f)

View changes on Github

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