Oh truly sorry for mentioning my favorite new feature in a comment rather than repeating the release notes, or trying to guess which one is the most useful to you.

Wrong escape sequence for Shift-F1? Yup that was fixed 3.5 years ago.

GNOME Terminal introduced a new escape sequence that allows arbitrary text to become a hyperlink, pretty much like <a> tags on webpages. The same feature is also available in iTerm2's beta series as well as Tilix. Hope some of you will find it truly useful!
As the first "official" tool to utilize this, coreutils-8.28 introduced "ls --hyperlinks". Filenames are linked to their corresponding "file://" URI, and ctrl+click conveniently opens them in their preferred graphical application.