Various bug fixes and minor improvements
Security fix: A malicious directory server could theoretically trick a client into encrypting an arbitrary message to another user. The protocol and apps were updated to prevent this. The issue was never exploitable without having privileged access to Threema infrastructure (reported by Jonathan Krebs, Universität Erlangen-Nürnberg).
In poll results, abstentions are now listed separately
Key fingerprint replaced with public key in UI
Enhanced support for Scoped Storage
Numerous under-the-hood improvements
Various bug fixes and minor improvements
Please note: This update requires Android 5.0 or later. Learn more…
Completely revamped contact synchronization
A badge in the Contacts tab indicates that new contacts have been added
Threema calls: A short vibration indicates that the other party has activated the camera (if in-app vibration is turned on)
When sharing individual media messages with other apps, captions can be maintained (and edited)
When editing images, the message recipient is displayed in the text input field
Catalan localization
Various other improvements and several bug fixes
Added “mark as unread” option
Selectable playback speed for voice messages
Voice messages that have been listened to are now flagged with an ear symbol
Added tabs to contact list to either filter internal contacts or show all
Improved media selection with ability to scroll through and select in large view
Filtering in archive screen
Added Japanese and Chinese (traditional) translations
Design tweaks
Improved compatibility of video transcoding
Better performance of media picker
Various small improvements and bug fixes
Global search: Search for text across all chats
Media drawer: Tap the paperclip icon to browse your media files in a scrollable drawer
Image search (optional): Search your images for common objects, activities, and places (the image recognition is based on a local machine learning model and does not send data to Threema's server or any third party)
Increased maximum group size to 256 members
Sending media files: Send images with individual resolutions without having to change the global settings
Image editor: Automatic recognition of faces to blur or cover with an emoji (works best with high-resolution images)
Video editor: Trim videos before sending
Media gallery: New “Show in chat” feature
Save to gallery: On Android 10 and above, media is now stored in the system’s Pictures, Video, Music, and Documents folders due to new “Scoped Storage” requirements by Google
Quotes: Quote any type of media, including images, videos, and voice messages
Long text messages: To keep the chat interface lean, messages containing a lot of text are truncated and can be expanded on demand
Polls: Re-sort answers using drag and drop when creating a poll
100 new emojis
Bug fixes, optimizations, and design improvements
The most important of the new features are explained in greater detail on the Threema blog.
Media drawer: Tap the paperclip icon to browse your media files in a scrollable drawer
Image search (optional): Search your images for common objects, activities, and places (The image recognition is based on a local machine learning model and does not send data to Threema's server or any third party)
Sending media files: Send images with individual resolutions without having to change the global settings
Video editor: Trim videos before sending
Save to gallery: On Android 10 and above, media is now stored in the system’s Pictures, Video, Music, and Documents folders due to new “Scoped Storage” requirements by Google
Global search: Search for text across all chats
Quotes: Quote any type of media, including images, videos, and voice messages
100 new emojis: Including the long-awaited fondue
Larger groups: Up to 256 members per group chat
Long text messages: To keep the chat interface lean, messages containing a lot of text are truncated and can be expanded on demand
Various other improvements and minor bug fixes
