# F# Weekly #33, 2019 – New fable.io and F# Community Heroes 2019 nomination!

**URL:** <https://forums.fsharp.org/t/f-weekly-33-2019-new-fable-io-and-f-community-heroes-2019-nomination/952>\
**Category:** General\
**Tags:** news\
**Created:** [August 18, 2019, 12:41pm UTC](https://forums.fsharp.org/t/f-weekly-33-2019-new-fable-io-and-f-community-heroes-2019-nomination/952 "2019-08-18T12:41:02Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![sergey\_tihon](https://yyz2.discourse-cdn.com/flex030/user_avatar/forums.fsharp.org/sergey_tihon/32/25_2.png) [@sergey\_tihon](https://forums.fsharp.org/u/sergey_tihon)\
**Post date:** [August 18, 2019, 12:41pm UTC](https://forums.fsharp.org/t/f-weekly-33-2019-new-fable-io-and-f-community-heroes-2019-nomination/952/1 "2019-08-18T12:41:02Z")

</div>

Welcome to F# Weekly,

A roundup of F# content from this past week:

> <https://twitter.com/c4fsharp/status/1160903706386345987>

**News**

- [Announcing .NET Core 3.0 Preview 8](https://devblogs.microsoft.com/dotnet/announcing-net-core-3-0-preview-8/) (with "Go Live:" support)
- [New fable.io site is published with much better documentation](https://twitter.com/FableCompiler/status/1161651019035619329?s=09)!
- [Struggling to convince your team of the benefits of F#? Compositional IT can help get it over the line](https://incoming.compositional-it.com/coaching-fsharp-enthusiast?utm_source=fsweekly&utm_medium=blog&utm_campaign=enthusiast&utm_content=line).
- [Nominate Community for F# Heroes 2019](https://c4fsharp.net/#heroes2019)!
- [Discussion: SAFE Template Simplification](https://github.com/SAFE-Stack/SAFE-template/issues/269)
- [Highest Paid Programming Languages in 2019](https://learnworthy.net/highest-paid-programming-languages-in-2019/)
- [Introducing Boots: Streamline Xamarin Continuous Integration](https://devblogs.microsoft.com/xamarin/boots-xamarin-ci/?utm_source=Direct)

> <https://twitter.com/FableCompiler/status/1161651019035619329?s=09>

**Videos & Slides**

- [WTF# is Event Sourcing](https://wtfsharp.net/wtf-is-event-sourcing) - Stachu Korick & Roman Sachse
- [Welcome to meta programming club! Episode 1 - F# Quotations](https://www.youtube.com/watch?v=E6MBT4YWZFE) - Dave Thomas
- [Asynchronous programming in F# 3/3 - Pipelines with Map and Bind](https://www.youtube.com/watch?v=k5e0kx-P00s) - Roman Sachse
- [What is the Elm Architecture and how does it work - Stream snippets](https://www.youtube.com/watch?v=p0McPBBEXZ4) - Roman Sachse & Zaid Ajaj
- [Harald Steinlechner, Georg Haaser - Functional programming vs Efficient Computer Graphics](https://www.youtube.com/watch?time_continue=6&v=9XkE0_4HoOc)
- [Build A ML.NET Machine Learning Model In F#](https://www.youtube.com/watch?v=PVJMX-iD0no) - Jon Wood
- [Updating FSharp.Compiler.Service - August 2019](https://www.youtube.com/watch?v=oguHbAlUb_k) - Chet Husk

**Blogs**
- [Use HttpClient via IHttpClientFactory in a .NET Core 2.2 console app without implementing IHostedService](https://github.com/jonsagara/HttpClientTestNotHostedServiceFSharp) - Jon Sagara
- [Migrating a C# test suite to property based tests in F# - part 1](https://viktorvan.github.io/fsharp/migrating-activelogin.identity-to-property-based-tests-1/) - Viktor Andersson
- [Getting Started with gRPC Client Factory](https://www.stevejgordon.co.uk/getting-started-with-grpc-client-factory-in-asp-net-core) - Steve Gordon
- [Nullable references in C# 8.0](https://ericsink.com/entries/cs8_nullable_references.html) - Eric Sink
- [.NET Debugging: 6 techniques you need in your arsenal](https://raygun.com/blog/dot-net-debugging/#.XVULs-HAj3o.twitter) - Daniel Hilgarth

**F# vNext:**

> <https://twitter.com/tomaspetricek/status/1161787052150706180>

- TechEmpower/FrameworkBenchmarks: [Update zebra and giraffe to use dotnet core 3](https://github.com/TechEmpower/FrameworkBenchmarks/pull/4997) ([almost 60% faster](https://twitter.com/sforkmann/status/1161883085094510592))
- [Expecto support is coming to Rider](https://twitter.com/auduchinok/status/1162319315259056133)
- [Consolidating .NET GitHub repos](https://github.com/dotnet/announcements/issues/119)

**GitHub projects**
- [vsapronov/FSharp.Json](https://github.com/vsapronov/FSharp.Json) - F# JSON Reflection based serialization library
- [NetMQ/FsNetMQ](https://github.com/NetMQ/FsNetMQ) - NetMQ F# Binding
- [bangjunyoung/SpiralMatrixSharp](https://github.com/bangjunyoung/SpiralMatrixSharp) - Arguably the world's most advanced spiral matrix generator written in F#.
- [Zaid-Ajaj/Feliz.Router](https://github.com/Zaid-Ajaj/Feliz.Router) - An Elmish router that is focused, powerful yet extremely easy to use. Made for developer happiness.
- [willnationsdev/godot-fsharp-tools](https://github.com/willnationsdev/godot-fsharp-tools) - A Godot Engine plugin to simplify using F# through the C# Mono language.

**New Releases**
- [SpiralMatrixSharp 1.0](https://github.com/bangjunyoung/SpiralMatrixSharp/releases)

> <https://twitter.com/auduchinok/status/1162319315259056133>
>
> Stuart Lang @stuartblang

That’s all for now. Have a great week.

Previous F# Weekly edition – [#32, 2019](http://sergeytihon.com/2019/08/10/f-weekly-32-2019-fsharp-core-4-7-rider-code-vision-and-open-f-2019/)
