Tweede golf

Release OpenADR 3.1 Release Candidate 1 · OpenLEADR/openleadr-rs Changelog introduced new OAuth scopes ("read_all", "write_programs", "write_events", "write_subscriptions", "write_vens", "read_targets", "write_reports", and if the internal-oauth feature is enab...

Our openleadr-rs team have released v0.2.0-rc1. This release candidate is the first feature-complete implementation of OpenADR 3.1!

Read more here: github.com/OpenLEADR/op...

@elaad.nl
@linuxfoundation.org

#rustlang #opensource #energy

Video: Building openleadr-rs for real-world demand response (FOSDEM 2026) - Blog - Tweede golf Maximilian Pohl (Tweede golf) and Stijn van Houwelingen (ElaadNL) presented openleadr-rs at FOSDEM 2026. You can now watch the recording of the talk.

You can now watch Max and ElaadNL's Stijn explain openleadr-rs at FOSDEM 2026: buff.ly/2XKvkim

openleadr-rs is an opinionated, open-source Rust implementation of the OpenADR 3 protocol for automated demand-response in electricity grids.

@elaad.nl
@fosdem.org

#rustlang #opensource #fosdem

** Speaker announcement ** Learn how to make contributions to the compiler at RustWeek 2026; Folkert de Vries will walk us through his experiences 'Stabilizing decade-old features'!

Info & tickets: 2026.rustweek.org/talks/folkert/

See you in Utrecht May 18-23, 2026!

#rustweek2026 #rustlang

**Announcing** Mark Janssen, Software Architect at the Dutch Electoral Council (Kiesraad), will talk about scaling up Rust development at the Dutch Electoral Council at the RustWeek Industry Track on 19 May, 2026!

Details and tickets: buff.ly/si8O4aU

@rustnl.bsky.social

#rustweek2026 #rustlang

**Announcing** Jeremy Lempereur, Software Engineer at Proton AG, will deliver a talk on the transformation journey at Proton at the RustWeek Industry Track on 19 May, 2026!

Details and tickets: 2026.rustweek.org/talks/jeremy/

@proton.me
@rustnl.bsky.social

#rustweek2026 #rustlang

**Announcing** Pete LeVasseur, Staff Software Engineer at Woven by Toyota, will deliver a talk on Rust in the 2026 Toyota RAV4 at the RustWeek Industry Track on 19 May, 2026!

Details and tickets: 2026.rustweek.org/talks/pete/

@awkwardmap.bsky.social
@rustnl.bsky.social

#rustweek2026 #rustlang

You can now watch Ruben's FOSDEM talk:

Max is headed to FOSDEM! Catch his and Stijn's talk 'Rust Meets the Grid: Building OpenLEADR-rs for Real-World Demand Response' on Sat 31 Jan at 13.40 in room AW1.126!

fosdem.org/2026/schedul...

@elaad.nl
@fosdem.org

#opensource #rustlang #fosdem

Ruben will be at FOSDEM this weekend!

zlib-rs: a stable API and 30M downloads - Trifecta Tech Foundation Stable API

Zlib-rs is now feature-complete! @trifectatech.bsky.social have released v0.6: the first version with a stable and complete API.

Folkert wrote the details in this blog post: buff.ly/7HjKqO6

#rustlang

How we built Remails: a European Mail Transfer Agent - Blog - Tweede golf Increasingly more organizations are reviewing their dependencies on foreign software and IT services from countries like the US. One broad necessity for many organizations is sending automated ema ...

There is a new European Mail Transfer Agent: Remails. It's on GitHub, written in Rust, and hosted in Europe.

Read Max and Michiel's blog on how we built Remails from a single binary proof-of-concept to a highly available, scalable cloud application: buff.ly/NdwGof1

#rustlang #digitalsovereignty

Video: sudo-rs and beyond (Ubuntu Summit 25.10) - Blog - Tweede golf After sudo-rs was included in the 25.10 release of Ubuntu, Marc was invited to the Ubuntu Summit to talk about the design choices that shaped sudo-rs. You can now watch the recording of the talk.

Marc was invited to the 2025 Ubuntu Summit to talk, on behalf of Trifecta Tech Foundation, about the design choices that shaped sudo-rs. Watch the talk here: buff.ly/Zu7qMjd...

@trifectatech.bsky.social

#rustlang

We'd like to thank the funders of our contributions to @Trifecta Tech Foundation’s public benefit work:
AWS
NLnet Foundation
@chainguard.bsky.social
NGI Zero Core
@canonicalltd.bsky.social
Astral
Meinberg
@sovereign.tech
@minbzk.bsky.social
ISRG

(3/3)

We’d like to thank our clients who support open source:
Microsoft
Kiesraad (Dutch Electoral Council)
@elaad.nl & LF Energy
Futurewei & Trust over IP Foundation
Remails

(2/3)

Tweede golf in 2025 was… over 80% #opensource!

As a service provider working across the commercial, government, and non-profit sectors, we are extremely proud (and honestly pretty amazed) that 86% of our code written in 2025 was open-source!

Thanks to our clients and funders!

(1/3)

If you are a cybersecurity policymaker in Europe, or know someone who is, please reach out to @hugovandepol.bsky.social!

Emulating avx-512 intrinsics in Miri - Blog - Tweede golf Recently we've started work on using more avx512 features in zlib-rs. The avx512 family of target features provides SIMD intrinsics that use 512-bit vectors (double the size of avx2, which uses 2 ...

How do you test code that a CI machine won't run? To support avx-512 SIMD instructions in @trifectatech.bsky.social's zlib-rs, Folkert taught Miri how to emulate them.

buff.ly/SXaVPTn

#rustlang

Industry Track: Rustaceans on The Move The Global Impact of Rust

Our organizing partner @tweedegolf.bsky.social is running the RustWeek Industry Track again! The first speaker is @lorilorusso.bsky.social - 
Director of Outreach - Rust Foundation.

Info & tickets:
2026.rustweek.org

Also want to speak at RustWeek? Our CFP is open!

#rustlang #rustweek2026

A quick intro to Merkle Tree Certificates - Blog - Tweede golf Many of us have heard about quantum computers and that they are a threat to our internet security and privacy. Nobody can tell, though, how long it will still take until quantum computers are actu ...

How do Merkle Tree Certificates help against the threat of Quantum computers to internet security? Maximilian Pohl explains MTCs, discusses his experience implementing an early @ietf.org draft, and @cloudflare.social's and Google Security's current experiments.

Running real-time Rust - Blog - Tweede golf By now, we all know Rust works pretty well on embedded. What's lesser known is how Rust handles real-time requirements. We occasionally get questions about this and so I took that as an opportunit ...

How about Rust for real-time applications?
@diondokter.nl gets you started: buff.ly/g8qruby

#rustlang #embedded

**Announcing** ROCSYS will be Expert Partner of the RustWeek Industry Track in 2026. Martin Kooij will guide the conversation about software life cycle costs!

Keeping the Internet fast and secure- introducing Merkle Tree Certificates Cloudflare is launching an experiment with Chrome to evaluate fast, scalable, and quantum-ready Merkle Tree Certificates, all without degrading performance or changing WebPKI trust relationships.

@cloudflare.social wrote a blog post on Merkle Tree Certificates. It includes Max' work: an experimental implementation in Rust, and his thesis "Implementation and Analysis of Merkle Tree Certificates for PostQuantum Secure Authentication in TLS".

Read it here: bit.ly/48MijCX

#rustlang #security

Sudo-rs and beyond

Watch Marc's talk at the Ubuntu Summit in London for Trifecta Tech Foundation, "Sudo-rs and beyond": buff.ly/NZCL2R4

@canonicalltd.bsky.social
@trifectatech.bsky.social

#rust #rustlang #ubuntu

Fixing rust-lang stdarch issues in LLVM - Blog - Tweede golf A couple of months ago I became a co-maintainer of rust-lang/stdarch, which defines vendor-specific APIs that are used by the Rust standard library and Rust users writing explicit SIMD code.

Folkert has become a co-maintainer of rust-lang/stdarch, which defines vendor-specific APIs that are used by the Rust standard library and Rust users writing explicit SIMD code.

In this blog, Folkert explains how they try to reduce the maintenance burden: buff.ly/X0F6yei

#rustlang #simd

Talk about memory safety at ONE Conference - Blog - Tweede golf Earlier this month Marc and I had the opportunity to deliver a talk at ONE Conference in The Hague, The Netherlands, on a topic that’s near to our hearts: memory safety. Below we share some contex ...

Hugo and Marc were invited to speak at ONE Conference earlier this month. Their talk was titled 'You're not secure by design, if you're not memory safe!'

Recap and slides here: tweedegolf.nl/en/blog/195/...

@hugovandepol.bsky.social

#memorysafety #security #rustlang #ONEconference

Marc wrote an article; not just any article, but the sudo-rs FAQ!

Rust Meets the Grid: Building openleadr-rs for Real-World Demand Response - Blog - Tweede golf On Thursday 11 September 2025, I attended the LF Energy Summit in Aachen, Germany, where I gave the talk ‘Rust Meets the Grid: Building openleadr-rs for Real-World Demand Response’, together with ...

The video of Hugo van de Pol and Ton Smets' talk 'Rust Meets the Grid: Building openleadr-rs for Real-World Demand Response' at LF Energy Summit is here! Watch it or read a recap of the talk here: buff.ly/snCvMaJ

@hugovandepol.bsky.social
@elaad.nl

#rustlang #energy #opensource #lfenergysummit

Image shows a selfie of Marc and Hugo with a ONE Conference banner in the background that reads 'We are all connected'

Marc and Hugo are at ONE Conference in The Hague today! This afternoon, they will give their talk 'You're not secure by design, if you're not memory safe!'.

@hugovandepol.bsky.social

#cybersecurity #memorysafety #ONE2025

"You're not secure by design, if you're not memory safe!" Hugo van de Pol and Marc Schoolderman will present this talk at ONE Conference in The Hague on 1 Oct 2025.

buff.ly/nKw3uQ9

@hugovandepol.bsky.social

#cybersecurity #memorysafety

Rust Meets the Grid: Building openleadr-rs for Real-World Demand Response - Blog - Tweede golf On Thursday 11 September 2025, I attended the LF Energy Summit in Aachen, Germany, where I gave the talk ‘Rust Meets the Grid: Building openleadr-rs for Real-World Demand Response’, together with ...

Hugo attended and presented openleadr-rs at the LF Energy Summit 2025 in Aachen with Ton Smets form ElaadNL. Read the blog (talk slides, a recap, and a look ahead) here: buff.ly/NIUy4qN

@hugovandepol.bsky.social
@elaad.nl

#rustlang #energy #opensource #lfenergysummit