CommCare 2.51.0

• Added support for Android 11.
• Migrated to App Compat.
• Added text to speech support.
• Added support for CommCare Identity hooks
• Deprecated linking to external files on device in forms. 
• Improved periodicity/reliability of heartbeat requests.
• Removed header title from sub-menu screen as it's already present in the action bar title.
• Added a short appearance attribute for Text questions. keyboard in String Widgets will have a next button to jump to the next input question(or done button if no other input question is in the screen) if short appearance attribute is used. The same will also happen for string widgets in compact appearance attribute.
• Improvements to RTL support.
• Added clear button to auto advance radio button.
• We now allow use of 3rd party barcode scanner apps.
• We'll now show an error dialog when attachment of size more than 15 MBs is uploaded by the user. 
• We now allow arbitrary named strings as intent callout response. 
• Fixed an issue where form incorrectly jumps to an input question when a date question is answered.
• Fixed a bug with distance from current location case detail property. 

CommCare 2.50.3

• Pins Lets Encrypt Root CA to keep supporting pre Android 7.1 devices with backends utilizing Lets Encrypt SSL certificate. Any Android devices below Android 7.1 which connects to a Lets Encrypt served CommCare backend needs to be on CommCare 2.50.3 or above on Sep 1 2021 to be able to communicate with servers and do operations like sync data or take app updates. Amongst servers managed by CommCare this change only affects projects on http://swiss.commcarehq.org/ as that's the only CommCare managed server utilizing Let's Encrypt SSL authority.
• Get rid of uncompressed copies for images to save device space

CommCare 2.48.11 (LTS Only)

Clears original images for all saved forms to reduce disk storage occupied by CommCare

CommCare 2.50.2

Bug fix for an issue causing pin login to fail after uninstall of another CommCare app

CommCare 2.50.1

• Fixed an issue causing CommCare to crash on some Android 8+ devices whenever internet connectivity changed.
• Fixed a bug which was causing an "Unknown error" on saving any form with updates to a case that does not define case_name

CommCare 2.50.0

• Added support for markdown tables.
• Added support to selectively rate limit app resource requests.
• Added support for app updates without multimedia using lazy downloading.
• Increased the limit on number of allowed CommCare apps on a single CommCare instance to 4
• Moved Mobile Privilege option behind Advanced Developer Options.
• Added landscape orientation support to Gregorian date widget.
• Added a custom property cc-disable-file-oversize-warning on HQ, which when set to yes will disable file-oversized warnings in mobile.
• Added a button to clear choices in single-select questions.
• Added a retry button in Recovery screen.
• Made improvements in capturing location.
• We’ll now use CommCare's in-built audio widget by default for audio capture question.
• We’ll now show an error on saving a form when any of case_name, case_type, owner_id and external_id for a case is greater than 255 chars in length.
• We’ll now delete any erroneous forms on form save by user rather than later quarantining them at the time of form submission.
• Added support for tiered lists and barcode scan in Case Claim prompts
• Hide the manual form Quarantine option from the scan record integrity dialog.
• Made group label font size consistent with question text.
• Recheck button on the Update Screen will be enabled always.
• We’ve updated Required version comparison to include the minimal app version as well.
• And a lot of bug fixes.

CommCare 2.48.10 (LTS Only)

• Fixes an issue that causes CommCare to retry updates rigorously
• Fixes an issue that causes Update Download to not resume after failure

CommCare 2.49.7

UX improvements in GPS Capture with Google maps feature.

CommCare 2.49.6

Fixes an issue with CommCare Auto Updates feature where CommCare won't immediately retry for updates in background after a network failure.

CommCare 2.49.5

App Updates now resume App downloads from the point it failed instead of re-downloading all resources in the update from scratch after any network failures.