Issue

Joomla 4 Extensions Updater shows the following warning at the top of the page:

Update: Could not open update site #59 "Lab5 - Update Server (lab5_captcha)", URL: https://downloadserver.lab5.ch/updates.joomla.xml?extension=plg_lab5_captcha/extension.xml

 This doesn't affect functionality, other extensions are updated with no issues. The update site in question is not showing in System > Update Sites.

Read more: Joomla 4 Update: Could not open update site...

Issue

After upgrading Joomla v3 to Joomla v4 (4.3.4), cannot add any new menu items. The following error is displayed when trying to save a new menu item:

Save failed with the following error: Joomla\Component\Menus\Administrator\Table\MenuTable::_getNode(1, id) failed.

Existing menus are working fine, they can also be edited, it's only new menu items that are affected.

Read more: Joomla 4 does not save new menus: Save failed with the following error... MenuTable::_getNode(1,...

Issue

Joomla is refusing to download an update from V3.10 to V4.3. After enabling Joomla Next update channel, the following message is displayed:

Update unavailable
An update to Joomla 4.3.4 was found, but it wasn't possible to download that update. There are three possibilities why this happens:
- Your host doesn't support the minimum requirements for Joomla 4.3.4 and there is no alternative download for your configuration available
- The update to Joomla 4.3.4 is not available for your stability level.
- There is a problem with the Joomla Update Server.

Read more: Cannot update Joomla v3 to v4 (Update Unavailable)

Issue

Cannot update Ubiquiti UniFi Cloud Key software (from 6.x to 7.x) via UniFi Controller Settings Web GUI. The update is detected and UI shows that Cloud Key is updating, but in the end, nothing happens...

Read more: Can't update UniFi Cloud Key Software