More powerful database server and some bugfixes

This update (11ee2cf) brings with it the following changes:

Security issues

  • Ensure variables used in the list_log request handler are properly validated before use, avoiding a potential SQL injection security issue.

Performance improvements

  • The database server hardware was upgraded to handle more load, decreasing overall page load latency.

New features

  • When editing objects, you're now able to see which course the object is used in. Only users with editor access to the course can see this information.

Bugfixes

  • Fixed a database error when no valid users where specified in the user_activity request handler.
  • Large videos would sometimes not load because the timeout on the data request handler was set a bit low. Bumped the timeout to 30 seconds to mitigate the issue.
  • A textarea line-wrapping issue was fixed in the CSV editor view in the manage_course request handler.

Feature removals / deprecations

  • The last parts of the video transcoding feature was removed.
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