Regular plugin releases are available from plugin repository.

Auto-Update to Nightly Builds of the Scala Plugin for IntelliJ IDEA

You can setup auto-update of Scala plugin Nightly builds in IntelliJ IDEA in the Preferences menu under Preferences | Languages & Frameworks | Scala | Updates

Select the Nightly Builds update channel from the drop-down menu:

Scala > Scala Plugin Nightly > image2020-9-15 11:36:29.png

If this does not work, add "https://plugins.jetbrains.com/plugins/nightly/1347" to custom repositories under

Preferences | Plugins -> Gear icon -> Manage Plugin repositories:

Scala > Scala Plugin Nightly > image2020-9-15 11:39:43.png

Old Nightly releases

Nightly builds are no longer published to confluence. Check the Scala Plugin page on the JetBrains Marketplace for updates and downloads.