I have the same problem, just tested on RC2 and narrowed it down.
It doesn't happen on 6.0.1.6 but does on 6.0.1.7, so looked closer, and found that it's because core sends 0x25 packet (Add item to container) like it was <6.0.1.7 client (without grid index), that's why it hangs up. (and (found later ...

have one more - 0x3ec5 (polar bear)

I moved to 098 from 097.3 and faced a problem with mounts.
After some time of research this is what I get:
When creating mount object (0xF021) its .layer is set to 25 (when it shouldn't because is laying on the ground). Then I equip it, .layer is still 25 (as it should), and I have a graphic of ...

I have a question, maybe not related, but...
Is there a program that removes encryption like uorice does, but for client 6.0.6.2 and above ?
I heard that there are programs that removes encryption in memory, but I need one that does it manually on a file.

I just moved from POL097-2008-09-01 to POL097.3-2009-02-16, recompiled all and started up pol. After 22 minutes it crashed. I was the only one online, and doing nothing in-game (client.exe wasn't even on-top) when the crash occurred.

pol.log:
[02/22 02:01:34] Unhandled Exception! Writing Minidump ...

Hi,
I'm not sure if it's a bug, but i noticed that RunAwayFrom(Self()) or RunAwayFromLocation(Self().x, Self().y) aren't working properly.
When using this function, npc does a move toward (x, y+1) field.
Ok. Now, lets block this field, so npc can't go there. This time npc goes to (x-1, y+1) field ...