docs: calens changelog updated

Author: ownclouders

CHANGELOG.md

@@ -1,5 +1,6 @@
 # Table of Contents
 
+* [Changelog for unreleased](#changelog-for-owncloud-android-client-unreleased-unreleased)
 * [Changelog for 4.6.0](#changelog-for-owncloud-android-client-460-2025-07-22)
 * [Changelog for 4.5.1](#changelog-for-owncloud-android-client-451-2025-04-03)
 * [Changelog for 4.5.0](#changelog-for-owncloud-android-client-450-2025-03-24)
@@ -27,6 +28,28 @@
 * [Changelog for 2.18.1](#changelog-for-owncloud-android-client-2181-2021-07-20)
 * [Changelog for 2.18.0](#changelog-for-owncloud-android-client-2180-2021-05-24)
 * [Changelog for 2.17 versions and below](#changelog-for-217-versions-and-below)
+# Changelog for ownCloud Android Client [unreleased] (UNRELEASED)
+
+The following sections list the changes in ownCloud Android Client unreleased relevant to
+ownCloud admins and users.
+
+[unreleased]: https://github.com/owncloud/android/compare/v4.6.0...master
+
+## Summary
+
+* Bugfix - Document editing not available on ByCS: [#7277](https://github.com/owncloud/enterprise/issues/7277)
+
+## Details
+
+* Bugfix - Document editing not available on ByCS: [#7277](https://github.com/owncloud/enterprise/issues/7277)
+
+   The productName property has been made nullable to handle cases where it is not
+   present in the JSON response, allowing the mini-fab for creating new files to be
+   properly shown.
+
+   https://github.com/owncloud/enterprise/issues/7277
+   https://github.com/owncloud/android/pull/4649
+
 # Changelog for ownCloud Android Client [4.6.0] (2025-07-22)
 
 The following sections list the changes in ownCloud Android Client 4.6.0 relevant to