Raise ActiveJob::SerializationError when cannot serialize job arguments
Describe web-console in the release notes [ci skip]

I put a more up-to-date description of Web Console in the release notes.
I'm not really happy with the language, so if you guys can help me with
that I'll be grateful :)
Merge pull request #16671 from cristianbica/aj-raise-serialization-error

Raise ActiveJob::SerializationError when cannot serialize job arguments
Merge pull request #16674 from gsamokovarov/describe-web-console

Describe web-console in the release notes
Support unscoping default_scope in eager_loaded associations

For eager_loaded joins move the default scope to the front of the scope chain to be merged first.
For preloading check values for unscope and add to the scope being built unscope_values.
On preload, no need to change merge sequence given default scope is merged first.