I have some (minor) issues with the UOKR-client and I want to campare them with your experiences about the UOKR-client BEFORE I send them to EA-support. I didn't find a thread about this, so please, if you know about such a thread, then please let me know about it too. Thank you!
1.) Container-grafix get screwed while moving containers.
Open a container by double-clicking it.
Then move the container to the upper border of your screen.
The container-grafix ALWAYS get screwed at the bottom of the container, so the content of the container seems to "run out" at the bottom of the container. SOMETIMES the same happens at the upper border of the container too. It never happens to me at the left and right border of the container.
2.) SOMETIMES I have some grafical artifacts at the "black screen" at the bottom of my screen. This only happens when using the "grid"-display for a container. The "atrifacts" seem to be an "unfinished" copy of the grid-lines of the container above.
3.) I'm playing in "Windowed-Mode" and I didn't test this things while being in Full-Screen-Mode. ok. I'll do it anyway... just never thought about it..
4.) One screen in user-options is malformed - I cannot scroll down there AND - of course - I cannot use some options there because of this malformed behaviour. I'll give you an exact explanation about this tomorrow. (I'm not at home right now)
5.) Exactly after 4 hours - in one row - of playing, my client crashes. I dunno why!

no other game quits from running on its own every time after palying 4 hours - UOKR is the only one so far...

I have NO other issues with the UOKR-client.
Grafix is much better then the old native UO 2D-style (but this is only a matter of everyone's taste).
Please let me know if you have the same issues with your UOKR-client - thank you! (I have dealt with many support-departments from various companies in the past - and EA will be the next to learn about me ...



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[EDIT]
ok, at least I found some threads about the UOKR-client too:
KR Top Ten Issues
KR is unplayable??? next patch is for 10th anni??? KR is still unplayable for most pe
Frustrated with KR client