In an install which uses the /ojs/ subdirectory, I do have an additional rule to catch static file access:
RewriteCond %{DOCUMENT_ROOT}ojs%{REQUEST_URI} -f
RewriteRule ^(.*)$ /ojs/$1 [QSA,L]
Regarding the user home, this is a longstanding difference of opinion within the project regarding whether the user home should direct to the Site, or whether the user home should direct to the current Journal. See:
https://pkp.sfu.ca/bugzilla/bugslist/show_bug.cgi?id=8802
The current 2.4.8 code tries to detect whether the user has access to multiple journals within the site, and send the user to the Site if that is the case:
I have preferred to always default to the Journalâs User Home: