What's new
This page explains what changes are introduced on each release of Tella.
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Tella - Latest Versions
Android: Tella 2.19.0 (225) - Released on February 19, 2026
- Fixed bug on Dropbox connection: some users were getting a "This app is not valid" error while connecting.
- Added added lock-protection guidance for new users (in on-boarding) and while changing lock.
- Added support for any file manager, so that users can import and export files from Tella if they choose not to use Google Files.
- Refactored permissions, prioritizing user's privacy:
- Sunsetting submissions to a Shared Drive folder for the Google Drive Connection: the amount of permissions that users needed to grant to Google to allow Tella to submit directly to a Shared Drive was too broad, and unacceptable for the Tella users' context.
- Used more granular permissions on the Google Drive Connection: now Tella only has permissions to view and edit files submitted using Tella (and anything else).
- Maintenance and technical tasks:
- Finalized technical work to support 16 KB memory page sizes as per Play Store requirement.
- Bugfixing and finalized pending work for edge-to-edge UI enforcement as per Play Store requirement.
- Big refactor (including adding product flavors) to be able to merge Tella Android and Tella FOSS codebases into a single one.
- Bug fixes and minor improvements:
- Fixed bug that was hiding the "+" button in all connection when using Tella in a right-to-left language.
- Fixed crash and unified code and text for saving files outside of Tella vault, when they cannot be previewed in Tella (docs, txt files, spreadsheets).
- Fixed bug when importing the same video twice to Tella.
- Updated Recent Files list after deleting a file (the file was still showing and causing a crash when tapping on it).
iOS: Tella 1.18.0 (114) - Released on January 30, 2025
- Completed onboarding tutorial for iOS and added lock-protection guidance for new users.
- Refactored permissions, prioritizing user's privacy:
- Sunsetting submissions to a Shared Drive folder for the Google Drive Connection: the amount of permissions that users needed to grant to Google to allow Tella to submit directly to a Shared Drive was too broad, and unacceptable for the Tella users' context.
- Used more granular permissions on the Google Drive Connection: now Tella only has permissions to view and edit files submitted using Tella (and anything else).
- Bug fixes and minor improvements:
- Solved an issue that prevented the Quick Delete button to be triggered in Right-To-Left languages.
- Solved image editing view for iOS 26+.
Android: Tella FOSS 2.11.0 (based on Android 2.11.0) - Released on February 25, 2025
We updated Tella FOSS, the version of Tella published on F-Droid that is 100% Free and Open-Source Software (FOSS). This updated version includes open-source map, location provider and Camera libraries. It doesn't include crashlytics, LoggingInterceptor and any other non-FOSS component or dependency. We completely removed all Google Play Services dependencies.
This version is based on Tella Android 2.11.0 and includes the following features:
- Added support for privacy-preserving analytics. All analytics are disabled by default and opt-in.
- PDFs can now be opened and viewed directly inside Tella FOSS.
- Edit media: users can edit images within Tella's encrypted container
- Feedback: users can now share anonymous feedback, bug reports, or improvement suggestions with the Tella team directly from inside Tella.
- Added support for the Tella Web connection, including the ability to download and view resources uploaded by admins.
- Implemented background encryption so users can continue collecting data, taking photos, videos, and audio, and importing files while the encryption process takes place.
- Added the possibility to delete the original file from the phone's file system after importing it into Tella.
- Added support for the relationship property type in the Uwazi connection.
- New Languages support: Kurdish, Persian and Vietnamese.
- Added new accessibility settings.
- Fixes to improve performance and security.
A detailed list of features available on each platform is available here.
Previous versions
Android: Tella 2.18.2 (222) - Released on December 9, 2025
- Hotfix: Used least restrictive permissions for the Google Drive Connection in order to make it verifiable by Google.
- Hotfix: Fixed the feature for exporting a single file out of the Tella encrypted vault (with or without verification information).
iOS: Tella 1.17.1 (111) - Released on December 16, 2025
- Hotfix: Adapt code to allow missing properties on the Uwazi Server connection, this solves the issue that prevented some users to connect to certain Uwazi servers.
iOS: Tella 1.17.0 (109) - Released on November 20, 2025
- New language: Chinese.
- Implemented onboarding flow for iOS.
- Technical maintenance task to be able to support iOS 26.
- Uwazi Connection improvements:
- Fixed error on for Uwazi server connection, adapting Tella to Uwazi API changes.
- Added support for nested attributes in the Select property.
- Bug fixes and minor improvements:
- Improved explanations for quick delete and add a default value.
- Improved file bottom sheet by showing the full file name in the bottom sheet.
Android: Tella 2.18.0 (220) - Released on November 28, 2025
- New language: Chinese.
- Bug fixes:
- Made Quick Delete button accessible for right-to-left languages.
- Fixed file information screen layout for long file names.
- Improved explanations for quick delete and add a default value.
- Fixed quick delete so it deletes all server connections.
- Improved the export functionality so it works better for big files (for example: long videos).
- Fixed errors in layout for Camouflage screen.
- Maintenance and technical tasks:
- Targeted Android 15 (API level 35) as per Play Store requirement.
- Started technical work to support 16 KB memory page sizes as per Play Store requirement.
- Refactored export flow to modern Android Storage Access Framework (SAF) picker and removed legacy storage permission.
- Updated connection's strings to match Google and Dropbox brand guidelines.
iOS: Tella 1.16.0 (98) - Released on Aug 4, 2025
- New language: Azerbaijani.
- Bug fixes and minor improvements:
- Solved a bug that prevented trimmed audios to be saved.
- Solved issue on Google Drive connection.
Android: Tella 2.17.0 (211) - Released on August 22, 2025
- New language: Azerbaijani.
- Uwazi connection:
- Changed algorithm for generated id property, to match the one generated by Uwazi.
- Updated the submission method to match changes in the Uwazi app to public instances.
- Bug fixes:
- Fixed crash on import for specific devices.
- Show error messages for Form download errors for the ODK Connection.
- Fixed bug with thumbnail placeholders for document files on OKD Connection.
- Made sure only language names (and not code) are shown in the Language Selection setting.
- Fixed problem that caused old filename to be seen after successive file renames.
- Maintenance and technical tasks:
- Finalized work for edge-to-edge UI enforcement.
- Fixed 2 app crashes: one related to the database and one related the shutter sound.
Android: Tella 2.16.0 (204) - Released on May 26, 2025
- Multiple visual and accessibility improvements:
- Updated the text of the “edit media ” confirmation to make it clear that the edited file is saved as a copy.
- Resolved a bug where the password cursor appeared in the middle of the input field.
- The image editing canvas now expands to full screen.
- Fixed a visual bug when listening to audio whereby the navigation bar overlapped with the audio title.
- Display the verification mode icon for audio files.
- Fixed an issue where the permission to save files to the Phone Gallery had to be granted twice.
- Added space at the bottom of the file list so the “+” button remains accessible even when many files are present.
- Uwazi connection improvements:
- Added a “success” message after submitting to Uwazi.
- Fixed a bug that required users to log in again to Uwazi after updating Tella.
- Display favorite Uwazi templates on the home screen.
- Fixed a submission issue when connected to multiple Uwazi servers simultaneously.
- ODK connection improvements:
- Improved error message handling for ODK.
- Removed auto-focus from all fields.
- The form update button is now always visible for the ODK connection.
- New language support: Ndau.
- Improved document support:
- Added thumbnail placeholders for document files.
- Display all common document types in the Documents folder (e.g., TXT, ODT, DOC, DOCX, XLS, etc.).
- Maintenance and technical tasks:
- Preparatory work for edge-to-edge UI enforcement.
- Fixed multiple app crashes.
- Fixed an issue where updating English-language strings didn't update translations. As a result of this fix, the translated percentage for some languages might decrease, but it will be more accurate.
iOS: Tella 1.15.0 (96) - Released on May 20, 2025
- New language support: Ndau.
- Implemented Rotate Video.
- Make Play button only play the selection while editing Audio or Video.
- Bug fixes and minor improvements:
- Removed duplicated navigation bar for documents.
iOS: Tella 1.14.0 (92) - Released on March 6, 2025
- Fixed preview of HEIC files.
- Added Indonesian, Tsonga and Portuguese (Mozambique) language support.
- Implemented limited access to photo gallery.
- Bug fixes and minor improvements:
- Fixed the navigation bar that got stuck on file information screen after watching a video.
- Fixed thumbnails for recently edited images in recent files.
- Fixed the count of remaining attempts when a user inputs the wrong lock (when the "delete after failed unlock" feature is enabled).
- Remove the button to edit PDF files (not yet supported).
- Solved a crash when editing a video and exiting without selected either options to discard or keep the changes.
- Changed the text of edit media confirmation message to make it explicit that the file is saved as a copy of the original one.
- Changed the edit media screen so that the play button only plays the selection for Edit Audio and Edit Video.
- Fixed an issue preventing going back to the previous screen after updating the password/pin in Settings.
- Fixed an issue on smaller phones (for example iPhone 8) where the Quick Delete confirmation screen didn't fit in the screen.
- Fixed an issue in Reports where the Submit screen was not scrollable and the Submit button was inaccessible when many files were attached.
- Fixed an issue where the label for password setup during Onboarding was not fully visible.
- Fixed an issue where the + button was not tappable when Tella's folders had too many items
- Updated the text in Quick Delete settings to say "Delete files" instead of "Delete vault".
- Fixed an issue where the menu with the Share and Save to device options only appeared on the second attempt.
- Fixed an issue where the back button was not working after viewing a video from the All Files folder.
- Made all elements on the homescreen scrollable, do not keep connections and recent files fixed on the top.
Android: Tella 2.15.1 (202) - Released on March 25, 2025
- Fixed a bug that caused imports to stop working across the app when the lock timeout was set to 5 minutes.
- Fixed the favorite form shortcut on the home screen.
Android: Tella 2.15.0 (200) - Released on March 5, 2025
- Added the possibility to zoom on images in the Tella vault.
- Added Tsonga and Portuguese (Mozambique) language support.
- Fixed an issue that was preventing the photo and video previews to show at the bottom of the camera.
- Multiple improvements to the ODK Connection:
- Solved a bug that prevented multiple favorite Forms to be saved.
- Added the possibility to attach all files from the Tella vault using the "select all" button on the file selection process. This applies to Photos, Audio, Files and Video questions types on ODK and Uwazi connections.
- Added File question type to the supported questions types.
- Solved a crash that happened when recording audio directly from within an ODK form.
- UX improvements to ODK: unify button styles and removed empty spaces.
- Implemented refresh button.
- Bug fixes and minor improvements:
- Corrected the button for "Select files from Tella" in all server connections.
- Fixed a problem that was preventing all reports in the outbox to show.
- Fixed a layout issue that was causing the grid view to brake after going back from file information.
- Corrected submission time of reports when uploading to Nextcloud.
- Solved an issue with the phone's back button from the Microphone screen.
- Do not allow recording an audio when a name is already taken.
- Updated the text in the Quick Delete settings to say "Delete files" instead of "Delete vault".
Android: Tella FOSS 2.0.15 (based on Android 2.0.15) - Released on July 10, 2023
A version of Tella included for the first time on the F-droid store. This a 100% Free and Open-Source Software (FOSS) version of Tella Android. We removed all trackers, changed map and location provider and also changed the Camera library to CameraX, removed crashlytics, LoggingInterceptor and any other non-FOSS component or dependency. We removed completely all Google Play Services dependencies.
Android: Tella 2.14.0 (196) - Released on January 16, 2025
- Implemented the Nextcloud server connection that allows Tella users to upload the data they collect directly to Nextcloud. Read more here about the connection.
- Added Bengali language support. See language accessibility
- Bug-fixing and minor improvements:
- Solved issue that prevented Indonesian translation to load properly.
- Tella now shows an error when a user tries to rename a photo if the new name is already taken.
- User is redirected to the Outbox tab after pressing "submit later" in all new Connections.
- Added counter to Draft tab for all server connections.
- Fixed incorrect confirmation text for deleting a report in the outbox in any of the connections.
- Added confirmation message after a report is successfully submitted to any connections.
iOS: Tella 1.13.0 (88) - Released on Junuary 6, 2025
- Added the possibility to trim videos directly inside Tella's encrypted container. Read more about editing media in Tella.
- Added Bengali language support. See language accessibility.
- Bug-fixing and minor improvements:
- Fixed bug: Tella now only allows moving a file to a different folder from the All Files folder.
- Fixed typo in the Quick Delete description.
Android: Tella 2.13.1 (191) - Released on November 6, 2024
- Hotfix for the Dropbox connection. Previous build didn't allow connections to Dropbox.
iOS: Tella 1.12.0 (84) - Released on November 27, 2024
- Added support for the Dropbox connection that allows Tella users to upload the data they collect directly to their Dropbox account. Read more here about the connection.
- Added the possibility to trim audios directly inside Tella's encrypted container. Read more about editing media in Tella
- Bug-fixing and minor improvements:
- Fixed bug: Renaming audio while recording takes the name or last edited audio.
- Added link to the documentation on the "Connections" screen, for instructions on how to choose a server.
- UI fixes for all connections.
- Updated the About and Help page linking to FAQs and to "Get started guide for iOS".
- Fix navigation issue with Back button on "Connect to server" screens.
- Adapted quick delete options to also delete connections data for new connections.
iOS: Tella 1.11.0 (81) - Released on October 21, 2024
- Implemented the Nextcloud server connection that allows Tella users to upload the data they collect directly to Nextcloud. Read more about the Connection here.
- Bug-fixing and small improvements:
- Fixed the progress view and cancel action for large files in the Report view in all Connections.
- Hid "use shared drive" button if not using an organizational account.
- Unified the required/optional fields in all Connections.
- Fixed the UI for labels on the Servers view when there is an existing connection.
- Fixed visual bugs on entities and delete entity cards for Uwazi connections.
- Fixed edit connection title.
- Deleted unused WebView class that was flagged in the latest security audit.
Android: Tella 2.13.0 (190) - Released on November 4, 2024
- Added support for the Dropbox connection that allows Tella users to upload the data they collect directly to their Dropbox account. Read here more about the connection.
- Bug fixes and minor improvements:
- Fixed a bug where "Save to device" sometimes generated duplicated files.
- Fixed a bug where users sometimes got stuck in the recorder after recording audio inside a folder.
- Fixed a bug where users sometimes got stuck in the recorder after going back to the audio library.
- UI fixes for Tella Web and Google Drive connections.
- Updated the "About & Help" screen, linking to the Android "Get Started" guide.
- Updated Quick Delete security settings to cover new Connections (Google drive, Tella Web, Dropbox).
- Fixed a bug for the Uwazi Connection where entities would be duplicated when uploaded when multiple relationships properties were included in the same template.
- Solved a crash in the geolocation property for the Uwazi Connection.
- Solved a crash when sending a file with verification information.
- Solved some issues related to the opt-in privacy-preserving analytics to ensure that measuring time spent in Tella works properly and that some metric applies to all Connections.
Android: Tella 2.12.0 (188) - Released on October 21, 2024
- Added support for the Google Drive Connection that allows Tella users to upload the data they collect directly to either a personal Google Drive folder or to any organizational Shared Drives they are connected to. Read more about the Google Drive Connection here.
- Added more metrics to our opt-in privacy-preserving analytics to better understand usage patterns of Tella.
- Bug fixes and minor improvements:
- Fixed issues with the homescreen (sometimes showed up empty or with duplicated elements other times).
- Implemented count indicators in the Draft, Outbox and Submitted tabs of Reports.
- Solved a bug that constantly changed the order of the Connections cards on the homescreen, and sometimes disappear completely from the homescreen.
- Solved an unexpected error when submitting to Uwazi a template had related multi-select fields.
- Solved a bug that prevented Primary Document to be shared to the Uwazi server.
Android: Tella 2.11.0 (186) - Released on September 18, 2024
- Added new options to edit photos within Tella's encrypted container: Zoom and Flip.
- Bug-fixing and small improvements:
- Disabled clear-text trafic in the manifest.
- Added missing field name into Uwazi relationship property selector's header.
- Disable button for saving a folder or file if its name is blank.
- Fixed bug that made the sorting of files reverse order.
- Fixed crash when pressing back from the Uwazi template summary screen before submission.
- Added tutorial screen for data collection into Tella onboarding tutorial.
- Show attempts selected on the "Delete after failed unlock" setting screen and fixed UI bug longer languages.
- Solved visual bug for longer Template names in the Uwazi "Download Template" screen.
- Solved visual bug on the report status screen for report upload progress.
iOS: Tella 1.10.0 (79) - Released on September 11, 2024
- Implemented the Google Drive server connection that allows Tella users to upload the data they collect directly to either their personal Google Drive folder or to any organizational shared drives they are connected to. Read here more about the integration.
- Added support for Vietnamese.
- Bug-fixing and small improvements:
- Fixed issue with primary files submission in Uwazi.
- Fixed issue when deleting submitted entities in Uwazi (name was changed).