SUMMARY It would be nice if Plasma had a greeter that showed up at first boot after installation, introducing new users to the most important features / workflow AND is shown after Plasma updates, showing what's new in Plasma, making it way more easy to find out what changed and what is newly possible.
We used to have a "first run wizard" which we removed for various usability reasons. But I think something like what you're proposing would be better. A sort of "onboarding" experience, so to speak.
i would add my inputs. Linus Sebastian from LTT on YouTube did the switch to Linux videos and yesterday they released the first video in the series. It was simply embarrassing. pop os failed spectacularly, mint had live image monitor issues and it reminded me of high school project that the kid didn't put a lot of thought in and the kid was still proud of showing it off, stumbling along the way. I have been using neon since 5.12 full time, so i know these things "should not happen" but since they did to a novice like Linus and Luke, maybe we need to look at how we can improve new comers. The on-boarding experience is a good thing. I would like to add, with ideas from the video to show people how to do basic stuff, like install packages. Pop os failed because of Pop os fault. doesn't matter. the user was let down. How about we inform the user about various install formats, like flatpak and snap and deb and how they are different. Small texts, just pointers. I did not understand why Linus had to use a software to find if all devices were set up, why doesn't the software at "on-boarding" time do that check and say "there are drivers missing for this device. should i check to see if there is a driver?" and install it also at the same time? How about we put the "whats new in Kde" blog posts in this on-boarding experience ? using the package manager is supposed to "prevent" users from bricking their setups generally. oh, would it be possible to more "humanize" error screens? we do say "you are about to take this step. the following will be removed", can we improve by saying "proceed with caution. doing this might brick your system" instead of a wall of text?
Such a thing is being worked on: https://invent.kde.org/fhek/welcome-app/ As for warnings when you try to do something dangerous in the app store, see https://invent.kde.org/plasma/discover/-/merge_requests/202
*** Bug 456394 has been marked as a duplicate of this bug. ***
*** Bug 459179 has been marked as a duplicate of this bug. ***
This is now possible with the changes I just pushed to Welcome Center for Bug 441367. Now you can run `plasma-welcome --after-upgrade-to 5.25` and it will show a page that has a link to the Plasma 5.25 release announcement. All that's needed now is to make Plasma run that after upgrade if welcome-center is installed.
Oops, that comment was meant for Bug 450235.
We have this in Plasma 5.27 now with welcome-center!