6.6 for Linux Changelog

6.6 Build 4
June 4, 2026
Chat Windows: New GIF picker button and '/gif [search]' command for sending animated GIFs
Feature
Chat Windows: Shared GIFs now render inline, with Tenor and Klipy attribution watermarks
Feature
Appearance: Accent color no longer resets on startup and now persists across restarts
Fixed
Chat List: Flagged conversations now show a red flag badge
Fixed
Chat List: Status, mute, flag, and read-receipt icons now render sharp on HiDPI displays
Fixed
Chat Windows: Presence icons in the members list now render sharp on HiDPI displays
Fixed
Chat Windows: Scrolling back through history no longer duplicates messages
Fixed
Contact List: Accent color no longer requires a focus reset to apply
Fixed
Distro: Trillian now installs cleanly on Ubuntu 26.04 and Debian trixie
Fixed
Images: Animated PNG (APNG) files now animate correctly when available
Fixed
Images: Animated WebP files now animated correctly when available
Fixed
Performance: Faster startup with contact lists containing many avatars
Fixed
Performance: Reduced CPU usage while typing in the message box
Fixed
6.6 Build 3
May 28, 2026
Chat Windows: Inline video playback for shared .mp4 and .mov messages
Feature
Chat Windows: New 'Flag Conversation' option, with an icon in the chat list
Feature
Images: Inline rendering for .jpeg files
Feature
Privacy: New 'Appear Offline and Block' and 'Appear Online Always' options on the contact menu
Feature
Performance: Major CPU reduction in chats with animated emoji, GIFs, or video
Fixed
Chat Windows: Typing indicator now reliably clears in all cases
Fixed
Chat Windows: Read receipts now draw correctly on high-DPI displays
Fixed
Channels: Mute state from other devices now syncs correctly
Fixed
6.6 Build 2
May 11, 2026
Screen Capture: Wayland support
Feature
Channels: Chat list now shows the correct channel status
Fixed
Channels: Display name updates automatically as members come and go
Fixed
Channels: Channels without a server-set name now show a name built from members ('First, Second, +N')
Fixed
Channels: Member-derived channels now show a composite avatar built from their members
Fixed
Chat Windows: Long multi-line message bubbles no longer crop on the right
Fixed
Chat Windows: Sending a multi-line message now reliably scrolls to the bottom
Fixed
Chat Windows: 'Copy full message' no longer pastes formatting tags around the sender name
Fixed
Chat Windows: Read receipts now appear on chats restored at startup (no longer wait for a new ack)
Fixed
Chat Windows: Read receipt check-mark in the chat list updates after history loads
Fixed
Chat Windows: Read receipt icon sized correctly at 1x and HiDPI (no longer half-size)
Fixed
Chat Windows: 'Show read receipts' setting reliably preserved across restarts
Fixed
Contact List: Empty metacontacts no longer appear as dead rows
Fixed
Login: Stray 'bad password' notification no longer fires when connecting an account without a saved password
Fixed
6.6 Build 1
April 29, 2026
Channels: Member panel groups members by role (Operators / Voice / Normal)
Feature
Chat Windows: @mentions
Feature
Chat Windows: 'Edited' indicator shown on messages edited from another device
Feature
Chat Windows: Animated emoji are now supported while composing messages
Feature
Chat Windows: Emoji tooltip on hover
Feature
Chat Windows: Error icon shown next to a failed message; tooltip describes the error
Feature
Chat Windows: Missed messages recovered automatically on reconnect
Feature
Chat Windows: Read receipts (incoming and outgoing)
Feature
Chat Windows: Tenor GIF auto-detection and inline animated playback
Feature
Contact List: 'Channels', 'Other Channels', 'People', 'Other People' subgroups inside teams
Feature
Contact List: 'Revert Name' restores the server display name when a local rename has been applied
Feature
Contact List: Drag and drop between groups and into metacontacts
Feature
Contact List: Faster startup on large contact lists by reducing avatar loading
Feature
Contact List: Improved hover details, including directory information (Title | Dept) when available
Feature
Contact List: Redesigned initials-based avatars
Feature
Contact List: Rename groups via context menu
Feature
Contact List: Teams and channels organizational layer (server-driven team folders, channels nested under teams)
Feature
Contact List: Tooltip on team / group folders shows type, topic, purpose, and member count
Feature
Emoji: Animated emoji support
Feature
Emoji: Dedicated animated emoji picker button
Feature
Emoji: Improved emoji rendering on high-resolution displays
Feature
Emoji: JoyPixels 7.0 emoji set
Feature
History: Animated smiles supported in history view
Feature
Login: Cloud and on-premise password handshake support
Feature
Login: Single sign-on (SSO) support with browser-based completion
Feature
Login: Updated sign-in flow with support for password or SSO after entering your username
Feature
Media: 'Save Image As' copies the original file (preserves format and quality) with a sensible default filename
Feature
Media: Animated PNG (APNG) support
Feature
Media: File sends now show in-window status messages and automatically open the file transfer window
Feature
Media: Images and thumbnails now load on demand to improve performance
Feature
Policy: Contact list rename policy support
Feature
Status: 'Away' status message shows 'away since
Feature
UI: Improved high-resolution (HiDPI) display support across the app
Feature
UI: Now follows your system accent color
Feature
Channels: 'Group Chats' renamed to 'Channels' across menus, dialogs, and headers
Changed
Channels: 'New Channel' dialog creates, joins, and closes in one step
Changed
Channels: 'Public Channels' dialog widened and sorted
Changed
Channels: Removed 'Google' as a chat-network choice
Changed
Chat Windows: 'Plus' button rotates when showing all actions
Changed
Chat Windows: Animated emoji can render larger when posted alone
Changed
Chat Windows: Improved timestamp formatting in tooltips
Changed
Chat Windows: Refreshed edit toolbar graphics and button layout
Changed
Chat Windows: Single emoji renders large in private and group chats
Changed
Contact List: Empty groups remain visible (drag targets)
Changed
Contact List: Removed Group / Name / Status grouping options
Changed
Login: Default-button styling in sign-in dialogs
Changed
Media: File types without a specific icon now have a default
Changed
Slash Commands: Descriptions improved, list sorted alphabetically
Changed
UI: Dialog 'default' buttons restyled
Changed
UI: Language and labeling updates across menus, tooltips, and settings
Changed
UI: New Trillian logo and icon
Changed
Channels: 'Send file...' on group chat correctly disabled when not supported
Fixed
Channels: Large group-chat reconnects no longer block the UI
Fixed
Channels: Large message backlogs no longer take 20+ seconds to load
Fixed
Channels: Topics containing special characters no longer break tooltip / title rendering
Fixed
Chat Windows: 'You were reconnected' font matches other system messages
Fixed
Chat Windows: Action buttons keep top alignment when edit area grows
Fixed
Chat Windows: Bubbles no longer crop or gap when the window is resized
Fixed
Chat Windows: Chat list no longer shrinks on maximize / restore
Fixed
Chat Windows: Chat-list timestamp uses time of last actual message (not the 'reconnected' marker)
Fixed
Chat Windows: Connect / disconnect indicator no longer flickers
Fixed
Chat Windows: Edit text no longer drawn low when typing
Fixed
Chat Windows: Edit toolbar no longer cropped
Fixed
Chat Windows: I-beam cursor draws correctly during edit
Fixed
Chat Windows: Image loading no longer scrolls window down
Fixed
Chat Windows: Initial-load avatars now show in chat-window bubbles
Fixed
Chat Windows: Messages and avatars no longer occasionally show duplicated
Fixed
Chat Windows: Multiple images sent together no longer split into separate bubbles
Fixed
Chat Windows: Names containing special characters render correctly in titles, tooltips, and bubbles
Fixed
Chat Windows: Out-of-focus emoji pause correctly instead of redrawing wrong frame
Fixed
Chat Windows: Scrolling stays at user position when typing comes in
Fixed
Chat Windows: Typing indicator no longer sticks on group chats
Fixed
Chat Windows: Window resize is fast; maximize / restore restores correct chat size
Fixed
Contact List: Avatars now stored in Trillian's temp dir, never the system temp
Fixed
Contact List: Chat list area no longer scrolls selection off when narrowed and moused over
Fixed
Contact List: Display name now resolves correctly when the server doesn't supply one (no more blank rows or raw usernames showing)
Fixed
Contact List: F2 rename of a group works (no longer reverts or auto-uppercases)
Fixed
Contact List: Group chats missing the '#' icon corrected
Fixed
Contact List: Names containing apostrophes, ampersands, '<' / '>', or emoji no longer cause blank rows
Fixed
Contact List: Online / total counts and duplicate entries corrected
Fixed
Contact List: Status messages with non-standard characters no longer cause errors
Fixed
Emoji: Alpha-channel rendering corrected
Fixed
Emoji: Autocomplete: hit space selects current; properly collapses to one line
Fixed
Emoji: Now shown immediately in messages on first chat open (no longer requires opening the picker first)
Fixed
Emoji: Type-':' fast-access preview no longer drifts when mousing over the browser
Fixed
Emoji: Visible in display names, group names, team names, and status messages
Fixed
History: Chat history shows the correct display name
Fixed
History: Names with special characters render correctly
Fixed
History: Search bar height fixed
Fixed
Login: 2FA flow corrections
Fixed
Login: Short usernames no longer rejected when adding self
Fixed
Media: '.PNG' attachments now show as inline images, not as files
Fixed
Media: 'Clear list' on file transfers no longer clears pending entries
Fixed
Media: Animated loading graphic redraws by clock instead of timer (consistent across machines)
Fixed
Media: Audio messages can be replayed (no longer stuck at 00:00 after first play)
Fixed
Media: Audio messages in history play correctly
Fixed
Media: Failed images stop spinning instead of looping forever
Fixed
Media: Failed media reports failure instead of forever-loading
Fixed
Media: Image cache reuses original downloaded file (no re-download on re-share)
Fixed
Media: Image placeholders no longer spin forever after retries
Fixed
Media: Image preview no longer crops small images
Fixed
Media: Image preview window centers before show, has a sensible minimum size, and applies EXIF orientation
Fixed
Media: Image previews show at correct size while loading
Fixed
Media: Image scaling sped up
Fixed
Media: Inline PNG images no longer skew at certain widths
Fixed
Media: JPEG photos with EXIF orientation are auto-rotated
Fixed
Media: Loading graphic on grey is now visible
Fixed
Media: vCard files (.vcf) sent with the proper content type
Fixed
New Chat: Clicking a result row selects them (no longer requires checking the box)
Fixed
New Chat: Type a name + Enter Enter selects the top result and starts the chat
Fixed
Notifications: Removed misleading 'Trillian is now ready' banner on startup
Fixed
Notifications: Removed noisy '%name% is preparing to send you a message' banner spam
Fixed
Screen Capture: ESC reliably aborts capture
Fixed
Screen Capture: Enter no longer occasionally re-selects the 'screen capture' button
Fixed
Settings: Connection-settings warning matches other yellow notifications
Fixed
Stability: Fixed miscellaneous crashes
Fixed
UI: About box uses correct logo size and color on dark theme
Fixed
XMPP: Join Conference dialog 'Name' field no longer pre-fills random text
Fixed