Design Systems and UI in a Bi-directional World

This talk is confirmed. The time of the talk will be announced soon.

The recording will be published after editing. Multipass and Full ticket holders have early access.

When DeepL added Arabic—its first RTL language—it wasn’t just a styling problem, it was a design systems challenge. This talk will go deep on logical CSS, platform-agnostic icon mirroring and automation, soft enforcement strategies for design consistency, and how to wield influence across hundreds of engineers with minimal headcount. This isn’t a story about building components—it’s about wiring them together at scale, with smart defaults, localization and directional and empathy.

This talk has been presented at React Summit US 2025, check out the latest edition of this React Conference.

design systems

Matt Seccafien

Video transcription, chapters and summary will be available later.

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