Download Latest Version v6.4.1 source code.tar.gz (108.4 MB)
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Home / v6.4.1
Name Modified Size InfoDownloads / Week
Parent folder
_sha256sums_flux.asc 2025-07-29 691 Bytes
_sha256sums 2025-07-29 543 Bytes
_sha256sums.asc 2025-07-29 833 Bytes
simplex-desktop-macos-x86_64.dmg 2025-07-28 229.3 MB
simplex-desktop-windows-x86_64.msi 2025-07-28 221.8 MB
simplex-desktop-x86_64.AppImage 2025-07-28 320.3 MB
simplex-desktop-ubuntu-22_04-x86_64.deb 2025-07-28 279.6 MB
simplex-desktop-macos-aarch64.dmg 2025-07-28 234.3 MB
simplex-desktop-ubuntu-24_04-x86_64.deb 2025-07-28 277.6 MB
simplex-chat-windows-x86-64 2025-07-28 130.8 MB
simplex-chat-macos-x86-64 2025-07-28 73.6 MB
simplex-chat-ubuntu-24_04-x86-64 2025-07-28 72.8 MB
simplex-chat-ubuntu-22_04-x86-64 2025-07-28 72.8 MB
simplex-chat-macos-aarch64 2025-07-28 161.5 MB
simplex.apk 2025-07-28 68.5 MB
simplex-armv7a.apk 2025-07-28 78.9 MB
simplex-aarch64.apk 2025-07-28 68.5 MB
LICENSE 2025-07-28 34.5 kB
README.md 2025-07-28 4.4 kB
v6.4.1 source code.tar.gz 2025-07-28 108.4 MB
v6.4.1 source code.zip 2025-07-28 109.9 MB
Totals: 21 Items   2.5 GB 31

New in v6.4.1:

  • welcome your contacts: set profile bio and welcome message.
  • enable disappearing messages by default for new contacts.
  • short SimpleX addresses and group links now include profile images and welcome messages.

The GitHub release build is independently reproduced by: | Verifier | Signature | PGP key to verify | | ------- | --------- | ----------------- | | SimpleX Chat team | _sha256sums.asc | FB44AF81A45BDE327319797C85107E357D4A17FC | | Flux team | _sha256sums_flux.asc | F3244FFC7207DB2CAA355DF506139DA3A0B13EC1 |

Huge thanks to Flux for providing their servers via the app!

Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html

Commits: - flatpak: update metainfo (#6085) - github/workflows: fix reproduce schedule (#6075) - docs: code of conduct (#6084) - android: do not show message bubble tails on Android 8 (#6087) - core: update simplexmq (faster creation of notification credentials) - ui: allow to add/edit profile short description, length limit; allow to set welcome message for address without auto-accept (#6086) - core, ui: chat banner (#6089) - core: enable operator flux by default (#6096) - docs: bots API (#6091) - core, ui: allow to choose disappearing messages ttl in user profile (#6097) - core: improve indexes (#6095) - typescript README: fix typo (#6100) - Merge branch 'stable' - core: 6.4.1.0 (simplexmq 6.4.1.0) - core: fix queries so they work for postgres (#6103) - core: fix retrying connection via contact card (preset contacts) (#6104) - core: backward compatible JSON parser for remote controller/host (#6105) - Merge branch 'stable' - core: 6.4.1.1 - ios: update core library - 6.4.1-beta.0: ios 291, android 305, desktop 113 - website: translations (#6110) - android, desktop: add Indonesian, Romanian and Vietnamese UI languages - ui: translations (#6109) - ui: v6.4.1 whats new, blog placeholder (WIP) (#6108) - Translated using Weblate (Hungarian) (#6111) - doc(bots): add bridge bot (#6106) - ui: offer to upgrade address and group link when sharing it (#6114) - ui: translations (#6116) - Translated using Weblate (Bulgarian) (#6117) - ui: remove duplicate translation string - core: fix duplicate banner when connecting to member contact (#6118) - core: store/get whether short link has large data set (#6120) - ui: fix possible suspect for race condition on accept contact (#6121) - ui: what's new address interactions (#6119) - core: 6.4.1.2 - ui: translations (#6122) - ci: upgrade cabal (#6123) - 6.4.1: ios 292, android 307, desktop 114

Android APKs:

SHA2-256(simplex-aarch64.apk)= 2a6864fba4aba9e05f8194d03bbf730a11828de788084758cbc9099bd7f85a4d

SHA2-256(simplex-armv7a.apk)= b2c0968bd84a6f7a4af041f89805c8aa69192207f1f3365f3afe60ed1ac8f32e

Desktop apps and CLI:

SHA2-256(simplex-chat-macos-aarch64)= 0400fe6b986cd010cde26a826dd2751404bcaf0358abb366a48fcc80bd75930f

SHA2-256(simplex-chat-ubuntu-22_04-x86-64)= c71b71955d82b4b76d8a1e55bc86a529cb38145b3c1292f2805d20f26a79c38d

SHA2-256(simplex-chat-ubuntu-24_04-x86-64)= 368c125945e28f9b8503eec7e49854b6aa3d16bd7e575623d199abce0f7069e6

SHA2-256(simplex-chat-macos-x86-64)= 0de0aecba08c3c1c148525ca8721d912d0afb0b6db8b21aafb0f295a8911cec6

SHA2-256(simplex-chat-windows-x86-64)= f4a896f7111c2d3b7d3b2e1f0cea7ddaf6fba77f65d7795e9f923453c09699aa

SHA2-256(simplex-desktop-ubuntu-24_04-x86_64.deb)= 9b494b092f9c2174908a7cb97d2db626fd5eee0e9b0b3faa6026bf791f9d516c

SHA2-256(simplex-desktop-macos-aarch64.dmg)= b9856b6e9965a34b7629ef17c46b1bb918e5aeb2faaee11931042b2f62153594

SHA2-256(simplex-desktop-ubuntu-22_04-x86_64.deb)= b7e7a9baef0faaac875b1510f5e2615fe03cf4a9aa91ded052b8daa8a35eb0ac

SHA2-256(simplex-desktop-x86_64.AppImage)= 7bf9d6c338a5c4ce4e93ef403f9de69ea823d36043457790644c7deef5e6953b

SHA2-256(simplex-desktop-windows-x86_64.msi)= 3933dee83e9700a6d35ec8a8213dde8b03fc1f34bfc25141844b6cbd8b724821

SHA2-256(simplex-desktop-macos-x86_64.dmg)= 91b9f381bbc07afddb53b3ab8490d07c94ff2d21d5901525fefbc8475fb705d1

Source: README.md, updated 2025-07-28