Delta Chat Released for iPhones and iPads - Get it Now at the iOS Appstore!

January 09, 2020 - Until yesterday, you could only use Delta Chat on Android, Windows, MacOS, and Linux. Now you can have the Delta experience on all major platforms! Read on...

Delta Chat 1.0 with new features, more robust, faster and more secure

December 18, 2019 - After months of hard work, we just started the Delta Chat 1.0 releases series for the Google Play store, with lots of tangible improvements. Thanks to the many developers, testers, translators and contributors who made this happen! See below for details on all the good changes. Read on...

Women and Nonbinary People Learning how to Install Mail Servers - Delta Chat at /ETC

October 16, 2019 - Recently, I had the chance to attend the Eclectic Tech Carnival (/ETC) in Athens, a feminist event about technology. It was full of self-organized learning and open for women, non-binary, trans, and intersex people who loved to explore technology in a space far from the alienating IT culture. Read on...

UX and needfinding report Delta Chat

July 19, 2019 - Our final user-testing report is out. It summarizes a year of research with needfinding and UX testing activities and marks the end of our one-year “OTF Robusness and Usability” project funded by OTF. Read on...

New stable Delta Chat Android with improved group-profiles, video recording, notifications, ...

June 28, 2019 - A new and much enhanced Android version (0.500.0) is released and available on Google-Play and soon F-droid. It is the most feature-rich, UX-refined and robust version of Delta Chat to date and incorporates chinese translations now, along with updates to 19 other localizations. There now is a revamped Chat profile view which combines gallery, document, settings and member list in a new tab layout, apart from allowing to see “shared chats” with individual contacts. Read on...

New desktop release with RPGP, location streaming and improved mac & ubuntu builds

June 25, 2019 - There are new Desktop releases (0.104.0) with a new Rust-based encryption engine, RPGP, better Mac and Linux release packaging and several other UX improvements which we detail further below. See “Assets” on our github releases page for the respective Desktop downloads. Read on...

Location matters! UX testing, the Rustocalypse and other Delta Xyiv happenings ...

May 08, 2019 - In the last couple of weeks, location mattered deeply for Delta Chat, the “Chat over E-mail” messenger. It does make a difference if software development is situated in a Starbucks in San Francisco or around a refurbished coffee-bus in Kyiv, the Ukrainian capital just 200km away both from a war zone and from Chernobyl. Some of you noticed already the appearance of “on demand location streaming” in the advanced Android app settings. This unique feature was only silently released ahead of our “Xyiv” gathering which happened in the last week of April 2019. This post provides glimpses into what happened that week – with foreshadows of the coming Rustocalypse and evolving new takes on enmeshing UX, crypto and implementation activities in the wider decentralization space. Read on...

Key findings of first Delta Chat UX testing in Kyiv

March 30, 2019 - Our first user-testing report is out. The user-testing took place in Kyiv end October 2018 and involved 12 testers, 10 coming from journalistic and NGO activist user-groups, and 2 being local tech-enthusiasts. The report highlights seven key findings and references some of the work that already happened since the testing happened. Read on...

New Android releases with OAUTH2 and improved e-mail interactions

March 14, 2019 - A new major Delta Chat Android release (0.200) is now on Google Play and soon on F-droid with lots of improvements addressing popular complaints and feature requests. Delta Chat remains marked as “Beta” because expectations are understandably high when it comes to using a new messenger. However, many of you know from everyday-usage that the Beta series work increasingly well. Please continue or consider helping us to evolve Delta Chat by providing feedback, contributing improvements or a little donation. If you join our channels you’ll also get to hear many of the upcoming good news earlier than here ;) Read on...

Play Store, OAuth2 and more from the dev stage

February 20, 2019 - As you may have noticed, Delta Chat is now available in the Beta Channel of Google Play. Read on...

DeltaChat multi-platform releases rolling ...

January 27, 2019 - A lot of efforts in the last half year are coming to fruition … release time! You can now use DeltaChat not only on Android but also on Desktop and iOS and chats are usually synchronized quickly in common multi-device settings. Nothing ever quite works perfect but it’s working well for many who used the incremental releases the last weeks, including for lots of private communications with friends. We consider our January 2019 releases, even if a significant milestone, only another beginning for more fun and interesting things to evolve … Read on...

DeltaChat Ukraine/Needfinding report / 35c3

December 19, 2018 - Our Ukraine/needfinding report is now out. It contains ten findings and “Delta.Chat takeaways”. Some of those findings have already influenced development, see “New planned features” from our november-blog post about our one-week Delta-XI gathering in Kyiv. Others await further conversations, bound to happen at the !decentral assembly at 35c3. Read on...

Delta-XI in Kyiv 2018… a lot of beginnings

November 17, 2018 - More than a dozen people gathered for a week in Kyiv, Ukraine for “Delta-XI”, with more things happening than can be reported… This post is a try to both give you some picturesque glimpses of the gathering and also highlight technical developments and results from the rich discussion and collaboration originating in Kyiv at the end of October/beginning November 2018. The gathering was intentionally intertwined with two user-testing sessions which Xenia and Vadym professionally conducted with select groups of journalists, trainers and activists early in the gathering week. There were also many other significant results which we’ll only briefly report up front here: Read on...

Decentralization Unchained

October 28, 2018 - After the “Delta-X” Event in Freiburg this summer, there is now “Decentralization Unchained” - one day of talks, workshops, discussions, hacking around the topics of decentralizing infrastructures in common, and, of course, Delta.Chat especially. Read on...

Delta Chat android-dev state

October 12, 2018 - We’re currently working on a new Android App for Delta Chat, android-dev. Read on...

support.delta.chat now working

October 02, 2018 - Two months ago, we experimentally launched the new support.delta.chat site but we only now sorted out problems with e-mail delivery and thus also registration. The support site is meant as an easier entry point for users who are not aware of git or github. Read on...

Big update on Delta.chat developments

September 28, 2018 - Following this blog or the mailing list you might think not much is happening with Delta.Chat but … nothing could be further from the truth :) An incredible lot has happened and is happening but communication happened in different ways: Read on...

Delta Chat on HACKarnaval in Paris

May 16, 2018 - Janka and Holger are going to have a session in the track “Securité Informatique” on the HACKarnaval in Paris: “Delta.chat, introduction pratique” Read on...

Delta Chat 0.15.0 with Voice Messages, Elevate Festival and more

February 27, 2018 - Delta Chat supports voice messages for some time, however, there were some issues with them that we have fixed in Delta Chat 0.15.0. Read on...

Delta Chat 0.14.0 - Gossip-And-Setup-Message Version

February 20, 2018 - After months of working on different things but the Autocrypt Setup Message, well, finally it is done :) Read on...

Sessions on #34C3 and other news

December 21, 2017 - Sessions on 34C3 Read on...

Delta Chat 0.9.7 (The archived one), iOS and docs

November 14, 2017 - We’ve just released Delta Chat 0.9.7, with some new major features: Read on...

Delta Chat 0.9.5 - "Get your data out of there"-Release

October 08, 2017 - Here is Delta Chat 0.9.5 with a new backup functionality. The function writes all relavant data to a single file - this includes all chats, images, contacts, videos, voice messages, all files and more. When you reinstall the app later - either on another device or from another source -, you can import the exported file just in the “Welcome” screen. Very useful :) Read on...

Delta Chat 0.9.4, Group images, Status, Fixes

August 26, 2017 - Back from the summer break: Delta Chat 0.9.4 with new Group images, new Status functions, Locale updates and more is out - and already available on F-Droid just in this moment :) Read on...