The compiler that emits JavaScript you can be proud of! Powered by the #fsharp language and compiler @MangelMaxime
Joined August 2016
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Fable 5.22 is out. Since 5.16:
- Opt-in Temporal dates and times for JS
- Implicit conversion to U2..U9
- Cold builds: project cracking 7.7s to 2.3s 🏎️
- Compilation up to 2.9x faster (server GC + JIT tuning) 🎉
- Faster watch: incremental inline exprs
- Many BEAM and Rust fixes
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
Introducing Fable.Ripple: fine-grained reactivity for F# and Fable.
A write updates the exact DOM nodes reading the signal. No virtual tree, no diff.
Four focused packages for signals, DOM, forms, and routing.
Try the beta: fable-hub.github.io/Fable.Ri…
#fsharp
Nacara is back, featuring in-browser interactive snippets powered by Fable. You can now expose your own library code live in your docs so readers can experiment with your API immediately.
See the Thoth.Json docs for a live example!
Nacara is back! 🔥
A complete ground-up rewrite running natively on .NET. It's now fully pluggable and lets you turn F# code snippets into interactive playgrounds.
👀 See it live on Thoth.Json docs: thoth-org.github.io/Thoth.Js…
🚀 Check out Nacara: mangelmaxime.github.io/Nacar…
#fsharp
Fable 5.14.0, 5.15.0, and 5.16.0 have been released over the past few days! 🚀
These updates feature:
- Improved support for Python, Rust, and Beam.
- Added support for precompiled libraries in fable-standalone (stay tuned for a surprise coming in the next few days!).
#fsharp
🚀 Fable 5.7.0 is officially live! 🎉
This release brings massive performance upgrades under the hood for Python:
- DU pattern matching: 6-10x speed up! 🏎️
- Sequences: 1.6x faster!
#fsharp
Fable 5.5 is out 🎉
This release have a strong focus on fixing bug for JavaScript/TypeScript targets.
It is also trying to make the writing cross-target code easier. Thanks to `Compiler.is*` target detection as an alternative to compiler directives.
#fsharp
Release note is available at github.com/fable-compiler/Fa…
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
We're building a binding for the #fsharp and @FableCompiler communities to implement the full SDK. Every bit helps! 😉 github.com/FidelityFramework…
What's better than Fable 5?
Fable 5.1 and 5.2! 🎉 (And yes, I totally forgot to announce 5.1).
Both releases bring plenty of fixes across various targets. Check out the release notes for details:
github.com/fable-compiler/Fa…
#fsharp
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
Congratulations, You won @FableCompiler ! Fable 5 the LLM still think Fable 5 is the latest release of a #fsharp to JavaScript compiler:
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
There is a new test framework joining the F# ecosystem: Scriptorium.
It is designed from the ground up as a cross-target testing framework, seamlessly supporting both F# .NET and Fable compilation targets (JavaScript only at the time of writing)
fable-hub.github.io/Scriptor…
#fsharp
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
Oxpecker.Solid 1.0 has been released with Fable 5 support #fsharp #oxpecker
xitter.cf/FableCompiler/status/2…
Fable 5 has been released 🎉
This is the result of almost 1 year and a half of work from the community and the maintainers.
Huge thank you to everyone involved. ❤️
#fsharp
Fable 5 has been released 🎉
This is the result of almost 1 year and a half of work from the community and the maintainers.
Huge thank you to everyone involved. ❤️
#fsharp
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
🚨 BREAKING: 🙄🧐🤨☺️We just pushed the latest version of Cloudflare bindings for #fsharp. We've generated bindings for a fairly significant cross-section of the supported SDK and API surface for management. #dotnet @FableCompiler nuget.org/packages?q=Fidelit…
The wait is over! Fable 5 Release Candidate is officially here. 🚀
After a year of hard work from the community, we're bringing you:
✨ .NET 10 & F# 10 support
🐍 A massive Python update (now powered by a Rust core & PyPI!)
🌐 Cleaner JS/TS Pojo bindings
fable.io/blog/2026/2026-02-2…
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
Big update for the Fable + Lit ecosystem!
✨ Fable.Lit.Dsl
✨ Fable.Lit.Dsl.Shoelace
✨ Fullstack template update (.NET 10 + Fable 5)
#fsharp #webcomponents #lit
github.com/JordanMarr/fable-…
Fable 4 and Fable 5, both got a new release to make them work with .NET 10 🎉 #fsharp
Fable 5.0.0-alpha.15 has been released.
Lot of improvements have been made for TS and Python target.
It also include fixes for Nullable Reference Types hopefully making us closer to an official stable release. Fable 5 is already used in production by some.
#fsharp
Fable Compiler 🇺🇦 #StandWithUkraine retweeted
This is a #fsharp project for building and deploying a @Cloudflare based file sharing applet. It builds a React SPA using @FableCompiler and Elmish with a WebDAV Worker and R2 bucket behind it. Users are managed via Cloudflare Secrets. github.com/speakeztech/fs-fi…
