Well even SS4 still uses jQuery in places. You can call
Requirements::block('path/to/old/jquery.min.js') and then replace it with your own version:
I'm still not clear what you want to do. If you want to upgrade, (and depending on the version of
silverstripe/admin your project is currently on) then
composer update silverstripe/admin is what you need.
Yes - what exactly do you want to do?
Absolutely. Personally, I've never (knowingly) needed to store serialised data to a DB. There are CMS's out there (Umbraco I think) that predicates itself on serialised objects in the DB
"It's 11pm, do you know where your line-endings are?"
Oh I see. Sure, caveats a plenty. "Devs! Do you know your business logic?"
@dorsetdigital that's a joke right?
FYI, I always use
PHP_EOL which always gives you a platform-specific newline
...hmm or could be irrelevant. Sorry, I haven't got to 4.4 yet. No need as yet.