HumHub v1.18.4 release notes

Enh #8170: Handle controllers with using external modules
Enh #8176: Upgrade Twig package to v3.26.0
Fix #8189: Scroll to highlighted comment when navigating from Last Activities
Enh #8187: Update composer package symfony/mime
Fix #8188: AutoContrast and Sign In Footer Links
Fix #8193: Fix rendering of the widget AuthChoice
Fix #8195: Improve permalink error handling for guest users
Fix #8196: Fix whitespace between notification bar items
Fix #8205: Fix permission filter alignment
Fix #8197: Don’t use the setting “Allow individual topics” for user and space tags
Fix #8222: Fix filter people page by checkbox list field
Enh #8231: Activate a search dialog for CodeMirror fields
Enh #8238: Reset OPcache after update a module
Enh #8248: Fix updating of space notification state per user after reset for all users
Enh #8260: Make form fieldset focusable and expanded via keyboard
Fix #8253: Fix Select2 dropdown flickering/closing when it doesn’t fit the viewport at browser zoom > 100%
Fix #8264: Update Twig to 3.28.0 (GHSA-529h-vh3j-85hq / CVE-2026-46636 - sandbox allow-list bypass on cached templates)
Fix #8268: Fix dropdown menu hidden behind topbar when flipped upward
Fix #8273: Fix confirm modal getting stuck open forever when closed while still transitioning in
Fix #8282: Fix confirm modal closing itself on next open after being closed during its hide transition
Enh #8286: Display a success toast when a module is enabled
Enh #8300: Update composer package web-token/jwt-library to 4.1.7 (GHSA-3prj-6hqw-cm82, GHSA-jc38-x7x8-2xc8)
Fix #8301: Revert missed MobileAppHelper::registerHideOpenerScript()
Enh #8307: Add public and standalone file flags for module-managed files (e.g. config images) with explicit access semantics
Fix #8324: Fix ActiveFileUpload remove button for standalone files (new standalone widget option)