Gábor Hojtsy

The defaultTheme message in core was `Drupal\Tests\BrowserTestBase::$defaultTheme is required in drupal:9.0.0 when using an install profile that does not set a default theme. See https://www.drupal.org/node/2352949, which includes recommendations on which...

Again for the defaultTheme message, the link currently in phpstan-drupal is actually better than the one in the message from core (duh). Also, I tried to dig up the config...

Ah found the config_export one in https://www.drupal.org/project/drupal/issues/2949021 `Entity type "%s" is using config schema as a fallback for a missing `config_export` definition is deprecated in Drupal 8.7.0 and will be...

Per https://www.drupal.org/project/upgrade_status/issues/3142908#comment-15201817 there are only 4 deprecated hooks in Drupal 9 core, so even a similar hardcoded check like phpstan-drupal does for constants could work. - hook_field_widget_form_alter - hook_field_widget_multivalue_form_alter -...

Sounds great :)

I agree this would be great, however it would require a revamp of how the text is taken. I think we can try a querySelectorAll('a') and start from there, not...

Tried creating something in the attached PR, on quick manual testing it works, but needs more testing probably.