Changelog

Threema 2.0 for desktop: You can now link two computers with your mobile phone

Fixed a bug that prevented some videos recorded with iPhone 16 devices from being sent

Various other improvements and bug fixes

Various minor improvements

New: The Threema Work Channel was added to the contact list

New: Overhauled the appearance of avatars

New: Voice messages can be played back at 1.25x speed

New: Only the creator of a poll receives the poll’s status messages

New: The message to be quoted or edited is saved with drafts

Various improvements for voice messages

Various other improvements and minor bug fixes

Fixed a bug in relation to the group management

New: Sent messages can be edited or deleted on the recipient’s end

Various improvements for group calls

Fixed various bugs that occurred when selecting and sending media

Fixed various bugs that occurred when recording and sending voice messages

Various other improvements and minor bug fixes

Fixed a crash in relation to Threema Safe

Improvements and various bug fixes

New: Added in-app scanner for documents

New screen appears when loading work contacts for the first time

Group call improvements

Fixed a bug that occurred when playing a GIF message

Fixed bugs in relation to PFS

Fixed a crash in relation with scanning QR codes

Various minor bug fixes

New: Overhauled user interface for recording voice messages

New: Voice messages that haven’t been played will be marked as such

New: Recording a voice message can be paused and continued at a later time (paused recordings will be saved as drafts)

New: Star messages to quickly find them again in the future

New: Filter message types (text messages, media captions, polls, etc.) in the global search

New: Added Swiss German and Korean localizations

Improved performance of the global search

Improved performance of the storage management

Improvements in relation to Threema Safe

Fixed a bug that could cause the text of a message not to be fully displayed

Fixed a bug that could cause the participant number of a group call not to be displayed correctly

Fixed a bug that could occur when sharing long URLs

Fixed a bug in relation to the accessibility of the chat search

Added the option to rate the Threema Work app to the settings

Various other bug fixes

Fixed a bug that could cause the app to freeze after restoring a data backup

Improved the setup process to speed up the establishment of new Perfect Forward Secrecy sessions when restoring a data backup

Miscellaneous other bug fixes and performance improvements

New: Global search that includes media captions

Improvements in relation to Perfect Forward Secrecy

Improvements in relation to group calls

Improvements in relation to Threema Work 2.0 for desktop

Updated WebRTC to M123

Fixed a bug that could cause the location selection to be removed in some cases before sending

Miscellaneous other bug fixes and performance improvements

Improvements in relation to Threema Work 2.0 for desktop

Improvements in relation to polls

Fixed a bug in relation to notifications

Miscellaneous other bug fixes and performance improvements

Various minor improvements

Fixed different bugs that could cause the app to become unresponsive

Various other minor improvements

New: option for periodic deletion of old messages after a specified amount of time (Settings > Storage Management > Manage All Chats > Automatic Deletion)


New: overhauled “Profile” tab

Improved performance for voice messages

Improvements in relation to group calls

Improvements in relation to Threema Work 2.0 for desktop

Various bug fixes in relation to accessibility

Fixed a bug in relation to media downloads

Various other improvements

Improved performance when writing/inserting long messages

Improved performance when sending messages

Various other improvements

Improvements in relation to group calls

Various other improvements

New: Group calls (Tap on the phone icon in a group chat to start a call)

Fixed a bug concerning Threema Safe

Various bug fixes concerning Threema 2.0 for desktop

Miscellaneous other bug fixes and performance improvements

Various bug fixes and other improvements

Various bug fixes and other improvements

Various bug fixes and other improvements

File names are now displayed in the media overview

Improved performance

Fixed a bug in relation to private chats

Fixed a bug that caused wallpapers not to be displayed correctly

Various bug fixes and other improvements

Various bug fixes and other improvements

Perfect Forward Secrecy is now enabled by default

The iOS app can now be used with the beta version of Threema Work 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)

When being mentioned, your nickname is now displayed instead of “@me”

Fixed a bug that caused the relative date in chats not to be updated after midnight

Fixed a bug that could cause new messages not to be displayed in the chat overview

Various bug fixes and other improvements

After changing biometric data in iOS, password confirmation in Threema is required

Improved stability when starting a Threema call

Fixed a bug that occurred when displaying a text preview in the Share Extension

Various bug fixes and other improvements

Wallpapers can now be set on a per-chat basis

Media can now be downloaded directly in the media overview

Text formatting is also displayed in the chat overview and in quoted messages

Fixed various bugs in the chat interface

Various bug fixes and other improvements

Added a new notification setting that also includes the sender’s profile picture

Added a setting that enables the operating system to suggest frequent Threema contacts when sharing in iOS

If camera access is denied, an icon to open the photo library is shown next to the text input field instead of the camera icon

Fixed various bugs in relation to accessibility in the new chat interface

Fixed a bug that caused changes in the app-configuration setting “th_hide_inactive_ids” to be ignored

Fixed a bug that caused messages not to be marked as read when opening a chat

Fixed a bug that caused notifications to appear even when “Do Not Disturb” was activated

Various bug fixes and numerous under-the-hood improvements

Fixed a crash that could occur when opening the app

Fixed a bug that caused links not to be recognized

Full technical and visual overhaul of the chat view

Improved in-chat search, providing all results at a glance

Past chat messages will now load automatically when scrolling (infinite scrolling)

Inline player for voice messages

Media and files can be now be viewed while the sending process is ongoing

Redesign of the message detail view (accessible by swiping left on a message)

In group messages, the members’ names are now displayed in different colors

Live preview of text formatting

Improved message delivery when the app is in the background

Fixed a bug that caused problems with the setup wizard when the app credentials were distributed using an URL

Fixed a bug that didn’t enforce Threema Safe backups when they were enabled and the password was set using an MDM system

Various bug fixes and numerous under-the-hood improvements

Resolved an issue related to MDM parameters during the setup process

Note groups now have a dedicated icon in the chat overview

Fixed a bug that caused group messages not to be sent to all members

Fixed a bug that caused background images in chats to be displayed incorrectly

Other improvements and minor bug fixes

If a vote in a poll was changed, this will be reflected in the generated system notification

Other improvements and minor bug fixes

New chat overview

Unknown chat members will no longer automatically be added to the contact list

Set storage management now on a per-chat basis

Send videos in original quality

Support for new chat server protocol and PFS

Various other improvements for upcoming features

New: the agree/disagree feature is now also available in group chats

New: mark chats as private, protect them with a password, and hide them in the chat overview

New: set read receipts and typing indicator per contact

New: archive chats

New: filter chat overview by contact name, group name, or Threema ID

Revamped contact and group details and various UI tweaks

Overhaul of internal message processing in preparation for upcoming features

Push registration can now be renewed in the advanced settings

Security improvements

• Improve chat server authentication protocol to prevent a payload confusion and a theoretical replay issue
• Introduce an additional warning message if a connection from another device using the same Threema ID has been detected since the last time that the app was used
• Disable compression of Threema Safe backups to rule out the theoretical possibility of a compression oracle
  Thanks to Kenny Paterson, Matteo Scarlata and Kien Tuong Truong of the Applied Cryptography Group at ETH Zurich for bringing these issues to our attention

Other improvements and minor bug fixes

Desktop/Web:

• Due to restrictions on Apple’s part, it is only possible for the desktop app / the web client to stay connected when the iOS app is in the foreground (see https://three.ma/webios).

Don’t show notifications for messages in group chats you have left

Audio player is now always dismissed when switching chats

Other improvements and miscellaneous minor bug fixes

Fixed a rare bug that could lead to a blank screen when launching the app

In poll results, abstentions are now listed separately

Improved database migration

Other improvements and miscellaneous minor bug fixes

Fixed a bug concerning Asian language keyboards

Extended log to include files if requested by user

Resolved an issue related to MDM parameter th_disable_share_media

Other improvements and miscellaneous minor bug fixes

Improved performance when loading chat overview

Improved performance when sending media files

Key fingerprint replaced with public key in UI

Fixed a possible bug in relation to external keyboards

Other improvements and miscellaneous minor bug fixes

Minor bug fixes

Text adjustments in Settings

Share Sheet improvements

Threema calls: Fixed a bug that could occur when accepting/rejecting calls in the Notification Center

Fixed a bug that could occur when sending audio files via Threema Web

New: Mark chats as unread (swipe right in chat overview)

Share Extension revamped

Support for right-to-left scripts in chats

Chinese (traditional and simplified) localization

Japanese localization

Voice messages are no longer forwarded as files but as voice messages

Voice messages, GIFs, and stickers are hidden in media preview

Fixed a bug that could occur when quoting messages that contain mentions

Various other improvements and miscellaneous minor bug fixes

Fixed a UI error in the license screen

Miscellaneous minor bug fixes

Increased maximum group size to 256 members

Option to add captions when sending media files within the app

You can now quote any type of message (including media, voice messages, and locations)

iOS 14: Share individual photos without granting Threema access to the photo library

Polish localization

Size limit for chat exports removed

Truncate quoted messages after 200 characters

Always display search bar when creating and editing groups

Layout improvements in Threema call screen

Various iOS 14 improvements

Various other improvements and miscellaneous minor bug fixes

iOS 14: Fixed a bug that occurred when sharing videos via the Photos app

New: End-to-end encrypted video calls

Grouped notifications in Notification Center

Adjusted volume of voice messages

Relative dates in chats

Support for diacritical characters in contact-list search

Removed button to start cellular calls from contact details

VoiceOver improvements

Various other improvements and miscellaneous bug fixes

Off-hours policy (Settings > Notifications): Disable notifications and reject calls outside of working hours

iOS 13: Design theme (Dark Mode) can be set via iOS (set Threema > Settings > Appearance > Design Theme to System)

iOS 13: Haptic Touch replaces 3D Touch

Swipe to quote messages

Share contacts

Localizations: Czech, Basque (Spain), and Turkish

In-app notifications support text formatting

Display captions below image messages

Redesign of status messages

Various improvements for Threema calls, Threema Web, and VoiceOver

Numerous other improvements and bug fixes