Hi,

What PHP 8 exactly? With PHP 8.0.x should work ( I use all the time), but with PHP 8.1 may not yet.

Sometimes problems are caused by extra plugin or module not SPPB itself.

To see more than white page, I mean error message that can you solve the problem please enable this mode

Its PHP 8.0.x I'll try it again.

Remember to set TinyMCE or JCE editor as default. Only those two are supported.

For testing purposes you can also switch to PHP 7.4

There are no Problems with PHP 7.4 but with PHP 8.0

I'm using Joomla 3.10.4 an Standard Editor is JCE

With PHP 8.0 i get this Erorr message:

Fatal error: Array and string offset access syntax with curly braces is no longer supported in /mnt/web017/a0/77/53486077/htdocs/joomla_06/components/com_jce/editor/libraries/classes/browser.php on line 457

Using Brows Firefox

JCE = joomlacontenteditor.net/support

Update if you still have old version. You should have v2.9.18