Mastodawn

After three intense months of work from more than a dozen contributors, #deltachat 2.48 releases are rolling. Maybe the most feature-packed releases ever?

- "zero metadata" messaging

- native Audio/Video calls on Android and iOS, as well as UbuntuTouch

- Group and Channel descriptions

- A new background audio player

- Revamped Download-on-Demand

and, last but not least, the long-awaited next-generation of messaging resiliency through "multi-path" routing ....

https://delta.chat/en/2026-03-31-zero

Delta Chat: Zero metadata, group descriptions, native audio/video calls and much more!

With the latest 2.48+ releases, a chat message reveals close to zero metadata to servers. For cryptographers and messenger enthusiasts, here are the key points on how we turned email very close to ...

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Séverin Lemaignan

@delta looks like an impressive release! Audio/video calls based on WebRTC 🤩 Congrats to the devs! imho, the last remaing hurdle for much greater reach for deltachat is contact discovery. Any plans/ideas about that?

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Delta Chat 1d ago

@severin thanks! Unfortunately, it is not likely the apps will offer contact discovery themselves. It would bring #deltachat closer to being a social media app, and invite spam and abuse which we are not prepared to handle due to the decentralized nature of our efforts. We do not know, mediate or see any interactions between users, an providing central discovery would break that privacy property.

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OnkelBobbyWhite 1d ago

@delta @severin When I recommend a Delta/Arcane, it's always one of the arguments why this is better than Whatsapp and Signal, and underlines the data protection is written big.