This release fixes issues for SREs watching stability and regressions.
✓ No known CVEs patched in this version
Topics
+3 more
ReleasePort's take
Moderate signalSimplex Chat v6.5.4 renames a field in the Simplex protocol, breaking backward compatibility.
Why it matters: Severity 70 indicates a critical breaking change; any integration using the previous field name will fail until updated to match the new naming convention.
Summary
AI summaryUpdates desktop, core, and ui across a mixed release.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Breaking | High |
Breaks protocol by renaming a field in the Simplex protocol. Breaks protocol by renaming a field in the Simplex protocol. Source: llm_adapter@2026-06-06 Confidence: high |
— |
| Feature | Medium |
Adds requirement to update for public groups. Adds requirement to update for public groups. Source: llm_adapter@2026-06-06 Confidence: high |
— |
| Feature | Low |
Adds UI to show channel web link. Adds UI to show channel web link. Source: llm_adapter@2026-06-06 Confidence: high |
— |
| Bugfix | Medium |
Fixes video playback hang caused by stuck preview snapshot. Fixes video playback hang caused by stuck preview snapshot. Source: llm_adapter@2026-06-06 Confidence: high |
— |
| Bugfix | Medium |
Fixes remote desktop connection parser when interface name contains a space. Fixes remote desktop connection parser when interface name contains a space. Source: llm_adapter@2026-06-06 Confidence: high |
— |
| Bugfix | Medium |
Fixes in‑app updater on Windows, AppImage, and aarch64 desktop platforms. Fixes in‑app updater on Windows, AppImage, and aarch64 desktop platforms. Source: llm_adapter@2026-06-06 Confidence: high |
— |
| Bugfix | Medium |
Selecting message text no longer copies extra metadata (timestamps, sender names). Selecting message text no longer copies extra metadata (timestamps, sender names). Source: llm_adapter@2026-06-06 Confidence: high |
— |
Full changelog
New in 6.5.4:
- Fix video playback hang
- Selecting message text no longer copies extras (timestamps, sender names)
- Fix remote desktop connection
Commits:
- desktop: fix in-app updater on Windows, AppImage, and aarch64 (#6985)
- desktop: fix video playback hang caused by stuck preview snapshot (#6983)
- core, ui: require update for public groups (#7009)
- rfc: namespace (#7001)
- core: fix /start remote host parser when iface name contains a space (#7025)
- desktop: don't copy non-message items when selecting message text (#6993)
- core, ui: split SimplexNameDomain out of SimplexNameInfo (#7024)
- plan: web previews for channels (#7022)
- ui: translations (#7032)
- core: 6.5.4.0 (simplexmq 6.5.3.0)
- core: rename field in protocol (#7038)
- 6.5.4.1
- ios: update core library
- ui: show channel web link (#7039)
- 6.5.4: android 353, desktop 145, ios 334
Android APKs:
SHA2-256(simplex-aarch64.apk)= 9955554752785e36963017e1ed09ab36183f0a55042ec355d09d6d636e031ec7
SHA2-256(simplex-armv7a.apk)= 402bc68d78f69ff7b9a3531910acaea27860c0ac3cc62a8e93097b3d6de25342
Desktop app:
SHA2-256(simplex-chat-macos-aarch64)= 0b6b858a6e88929ed454ac6ff690bf6303bdca3aafd4f49c16cf6ae0fd8b254f
SHA2-256(simplex-chat-windows-x86-64)= e03619edfee2f9ba5da94ea47c2f39e1d139234ff73f73ca3fa9b859b4b6c059
SHA2-256(simplex-chat-ubuntu-24_04-aarch64)= 1468562c50d2e0873a71748af2a60aab3810ca0d714df6276f81a9af2c5e7c9c
SHA2-256(simplex-chat-ubuntu-24_04-aarch64.deb)= 1358d5d23b6584595cc8355e19e1bcb45f9160a9a2f0277fc1b1cd28d1600c9f
SHA2-256(simplex-chat-ubuntu-22_04-aarch64)= ea864a205d38cec7ca25ecea9f5e50469055b3a39d70611e3c71a84cb012e0f3
SHA2-256(simplex-chat-ubuntu-22_04-aarch64.deb)= e66b8e4ece8dcdf98b69ebda3220284e0cced46a1ca970fe07b8167f5640c62d
SHA2-256(simplex-chat-ubuntu-24_04-x86_64)= 8fa9671c2e008d1ca09db4769442f4d7621dff8dc7f4f750ee89019b54ace09c
SHA2-256(simplex-chat-ubuntu-24_04-x86_64.deb)= 79f11357bad3b2256be0b3d5e20d932f4ad8e6e521ec4f8f642fe99ce2dffadb
SHA2-256(simplex-chat-ubuntu-22_04-x86_64)= 8c33b69e3cd5691e7a7aec455fc82955347d631572f0ff2c68eb3e12f50ab655
SHA2-256(simplex-chat-ubuntu-22_04-x86_64.deb)= 3ae4e61da1045b8d449af7da1b869697163d3d1a53cda60312e8215f2f404a95
SHA2-256(simplex-desktop-macos-aarch64.dmg)= 1fe8c949010f2641d793ad207d05e1cb9832867d1fc961c0886076b5bf56cbd3
SHA2-256(simplex-desktop-ubuntu-24_04-aarch64.deb)= 46e3018bf789b8c002ccde550ff7fd47d544921f322ffd4c8f25951efbfa3aa0
SHA2-256(simplex-desktop-windows-x86_64.msi)= 06df2bfa9122b641e54c3ba26608178120d35e051ecdb178ac0322c2769a06db
SHA2-256(simplex-desktop-ubuntu-22_04-aarch64.deb)= 0f7f7636204a38ff2e0b738e08ef5aac8f199067207f5fce1c780f9aec97085d
SHA2-256(simplex-desktop-aarch64.AppImage)= fed942742cb2ec54650cc156b31d52e096c826aa266e4db72cfba6fed1faa6c5
SHA2-256(simplex-desktop-ubuntu-24_04-x86_64.deb)= ccd538f7a65d6f7a5f32e5e4a149ad243efcdc79b0f1d2b449949d5ca4471223
SHA2-256(simplex-desktop-ubuntu-22_04-x86_64.deb)= fd2ab935d454630239ec59bb3b9a62ae91a315c4bea4d9d49d85045ffe52f696
SHA2-256(simplex-desktop-x86_64.AppImage)= 890772f27c5a902bf45f1a4dd385b9d17dce5a26dc327d599d3faa62f9327d78
SHA2-256(simplex-chat-macos-x86-64)= a1fcc30337f89cb08967888893c284292b017109f11b640d906de5b25fe0c3e8
SHA2-256(simplex-desktop-macos-x86_64.dmg)= 615768ad033b2abda8bd7e07e1c3b9d9ce6e5ddf921820496533a29c18777c9a
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About simplex-chat
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps !
Beta — feedback welcome: [email protected]