As part of the ongoing work to reduce authentication fatigue, the elementary OS team are going over everything with a fine-tooth comb to ensure asking for admin / root permission makes sense.
One idea they came up with, which appears to be integrated into elementary OS 5.1.5 'Hera', is the removal of needing to enter the admin password when you're doing updates with the AppCenter. The question is why? As they explained, you already gave your full permission to install the applications originally and that they "provide clear expectations around curated versus non-curated apps" so they felt it didn't make sense to authenticate again just to do updates.
I like the idea and hope it doesn't somehow backfire. Authentication fatigue can be a very real thing. It's the same as the cookie banners a lot of websites have because of all their external stuff loading in, I imagine clicking them away without even looking is now what the majority do because it's constantly there.
Another really nice change is how images are copied in their file manager. Copying an image in Files and then pasting into a program like an image editor, will now actually paste the image in (if possible) and not a file path. That's quite a handy accessibility update and one I love the sound of. On top of that their file manager will also now show a file info overlay while in the list view which is a nice tweak.
elementary OS has the kind of attention to the finer details that I wished every Linux distribution had.
If you're interested in what else the crew have been up to, check out their latest update post. For more info on elementary OS check the official site. They go for a pay what you want method for downloading their ISO, you can support them with as much or as little as you like (even zero), it's certainly a different way to support a Linux distribution but it appears to work well for them.