Automated changelog update [skip ci]

CHANGELOG.md

@@ -15,6 +15,7 @@ Summary
 * Bugfix - Hide add to your OC at the public page when it's not allowed: [#37232](https://github.com/owncloud/core/pull/37232)
 * Bugfix - Send max number of steps as integer in RepairUnmergedShares: [#37241](https://github.com/owncloud/core/issues/37241)
 * Bugfix - Remove console logging of un-escaped data: [#37256](https://github.com/owncloud/core/pull/37256)
+* Bugfix - Rewrite code to fix some notices under PHP 7.4: [#37311](https://github.com/owncloud/core/pull/37311)
 * Change - Support PHP 7.4: [#36509](https://github.com/owncloud/core/issues/36509)
 * Change - Drop PHP 7.1 support across the platform: [#36510](https://github.com/owncloud/core/issues/36510)
 * Change - Add index on addressbookid: [#3625](https://github.com/owncloud/enterprise/issues/3625)
@@ -86,6 +87,14 @@ Details
 
    https://github.com/owncloud/core/pull/37256
 
+* Bugfix - Rewrite code to fix some notices under PHP 7.4: [#37311](https://github.com/owncloud/core/pull/37311)
+
+   Fixed "Trying to access array offset on value of type" notices in OC\Files\Storage\DAV and
+   OCA\FederatedFileSharing\FederatedShareProvider under PHP 7.4.
+
+   https://github.com/owncloud/core/issues/37303
+   https://github.com/owncloud/core/pull/37311
+
 * Change - Support PHP 7.4: [#36509](https://github.com/owncloud/core/issues/36509)
 
    PHP 7.4 was released in Dec 2019. ownCloud server now supports PHP 7.4.