- 💥[Bugfix] Prevent infinite growth of course structure cache in Redis. (by @regisb)
  - Redis is now configured with a maximum memory size of 4GB. If this is too low for your platform, you should increase this value using the new "redis-conf" patch.
  - Make sure that course structure cache keys have an actual timeout.
- [Feature] Introduce the "redis-conf" patch. (by @regisb)