Critical changes for developers & admins for Nextcloud 18

[ChristophWurst]

Front-end

CSS

• Overall font-size was increased -> Please make sure you use relative units like rem instead of pixels. Bring the default font size up to 15px #17228

JavaScript

Deprecated global variables

• DOMPurify -> ship your own Deprecate the global DOMPurify #17130

Backend

Removed from public namespace:

• tbd

Deprecations

• \OCP\Collaboration\Resources\IManager::registerResourceProvider -> use \OCP\Collaboration\Resources\IProviderManager::registerResourceProvider instead Decouple resource provider registration #17325

Behavorial changes

• Email shares and Link shares now share the same config: Use same settings for mail share as link shares #16629
  You cannot create mail shares if the share links are disabled by your administrator
• Please register new sidebar tabs scripts with the OCA\Files\Event\LoadSidebar\Event script
• Viewer bind the full file object to the views now. See Cleanup and bidn the full fileinfo viewer#299
  Variables names changed /!\

[skjnldsv]

Remove escape html and use external library?

[ChristophWurst]

Remove escape html and use external library?

go go go

[ChristophWurst]

v1.1.0 updated with the new js deprecations https://www.npmjs.com/package/@nextcloud/eslint-plugin

[ChristophWurst]

Closing as we won't accept any more breaking changes for 18 at this point.

[ChristophWurst]

New ticket for 19: #18479

[rullzer]

Lets close this here.