Reverts the idna converter back to version 3 with the 8.4 compatibility patch from algo26-matthias/idna-convert#48 but without algo26-matthias/idna-convert@f193ac5. Because this commit contains the backwards compatibility break that the intl extension becomes a requirement which Joomla hasn't. When algo26-matthias/idna-convert#56 is merged and a new release is done, then we can change the repository back to the original one in the composer file.
I have tested this item ✅ successfully on 81849b1
media manager will once again upload a file with an underscore
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/45257.