PHP8 fixes
fix cache return
add caching to core_enum lookup
initialize session if not done already
Fix #6032 - change the release index page to plain html
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
cmmit
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php
DataObjects/Core_enum.php