I know this one is a bit late, but it seems to have some value to read in this format. So to prevent having one skipped i’m going to go ahead and post the release notes. 
0.68.0 Changelog
Engine versions
- Node:
8.11.3 - NPM:
5.6.0
BREAKING CHANGES
New features
- Setting to disable 2FA globally (#11328)
- Add /users.deleteOwnAccount REST endpoint to an user delete his own account (#11488)
- Add /roles.list REST endpoint to retrieve all server roles (#11500)
- Message retention policy and pruning (#11236 by @vynmera)
- Send user status to client (#11303 by @HappyTobi)
- Room files search form (#11486)
- search only default tone emoji Popup search (#10017 by @Joe-mcgee)
- Privacy for custom user fields (#11332 by @vynmera)
- Replaced old logo with the new ones (#11491)
- Sorting channels by number of users in directory (#9972 by @arungalva)
- Make WebRTC not enabled by default (#11489)
- Accept resumeToken as query param to log in (#11443)
- Livechat File Upload (#10514)
Improvements
- Set default max upload size to 100mb (#11327)
- Typing indicators now use Real Names (#11164 by @vynmera)
- Allow markdown in room topic, announcement, and description including single quotes (#11408)
Bug fixes
- New favicons size too small (#11524)
- Render reply preview with message as a common message (#11534)
- Unreads counter for new rooms on /channels.counters REST endpoint (#11531)
- Marked parser breaking announcements and mentions at the start of messages (#11357 by @vynmera)
- Send Livechat back to Guest Pool (#10731)
- Add customFields property to /me REST endpoint response (#11496)
- Invalid permalink URLs for Direct Messages (#11507)
- Unlimited upload file size not working (#11471)
- Mixed case channel slugs (#9449 by @soundstorm)
- SAML issues (#11135 by @arminfelder)
- Loading and setting fixes for i18n and RTL (#11363)
- Check for channels property on message object before parsing mentions (#11527)
- empty blockquote (#11526)
- Snap font issue for sharp (#11514)
- RocketChat.settings.get causing memory leak (sometimes) (#11487)
- Refinements in message popup mentions (#11441)
- Decrease room leader bar z-index (#11450)
- Remove title attribute from sidebar items (#11298)
- Only escape HTML from details in toast error messages (#11459)
- broadcast channel reply (#11462)
- Fixed svg for older chrome browsers bug #11414 (#11416 by @tpDBL)
- Wrap custom fields in user profile to new line (#10119 by @PhpXp)
- Record popup (#11349)
🔍 Minor changes
- Revert: Mixed case channel slugs #9449 (#11537)
- Merge master into develop & Set version to 0.68.0-develop (#11536)
- Regression: Add missing LiveChat permission to allow removing closed rooms (#11423)
- Update release issue template to use Houston CLI (#11499)
- Regression: Remove safe area margins from logos (#11508)
- Regression: Update cachedCollection version (#11561)
- Regression: nonReactive to nonreactive (#11550)
- LingoHub based on develop (#11587)
- Regression: Make message popup user mentions reactive again (#11567)
- Regression: Fix purge message’s translations (#11590)
Contributors 
Bug fixes
Core Team 
