Over two days in May 2025, developers, researchers, and tech leaders gathered in Utrecht to explore the latest advancements in the Rust programming language. With over 800 attendees, RustWeek featured expert talks on systems programming, secure cryptography, and real-world applications of Rust—including a live release of version 1.87. fragmentiX developers were on site to exchange ideas, dive into RFC discussions, and explore how Rust can enhance high-assurance software for quantum-safe storage and digital resilience.

We went to Utrecht!

Our Rust developers boarded the night train from Vienna and made their way to Amersfoort, followed by a final transfer to Utrecht, Netherlands, to attend RustWeek 2025—one of the most vibrant gatherings of the global Rust community.

RustWeek is organized by the very active community at RustNL and the event took place in the Kinepolis Jaarbeurs cinema. The venue was particularly well-adjusted for the 800 attendees of the conference since the talks took place inside a large cinema.

In three parallel tracks, talks between 20 and 35 minutes related to the rust programming language were given.
Two examples were:

• ”Healthy Data, Rusty Code: Epidemiology Meets Modern Systems Programming” by Caroline Morton about organizing epidemiological data about pneumonic symptoms using rust and
• “Graviola: fast, high-assurance cryptography for Rust” by Joe Birr-Pixton about his implementation for cryptographic primitives en par with aws-lc-rs, ring, RustCrypto, and Dalek.

In other sessions, live recordings of podcasts happened, discussions and presentations were made at project booths, and the conference included the live release of rust version 1.87.

What we took away

Our fragmentiX developers returned energized—with in-depth discussions around:

• ref keyword changes (RFC 2005)
• speedups through SIMD instructions, and
• the secret type proposal (RFC of issue 2859) during the week

The latter proposal would provide rust developers novel means for strengthening the security against hardware attacks not available in other programming languages yet.

Until Next Year, RustWeek!

We’re proud to be part of such a forward-thinking developer community—and we’re already looking forward to RustWeek 2026.

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