• Fix #6753: Non-unique key used for permission caching
• Fix #6741: Fix no pretty url of password recovery link
• Enh #6734: Trim Base URL on save
• Fix #6708: Fix displaying of alert when RichText is changed on refresh a page
• Fix #6747: Fix loading of default container permissions from cache
• Fix #6766: Since Humhub 1.15.1, getting content polymorphic relation changes the content object_model to the wrong class