Since the rollout of mesh, stuff has been breaking.
It started with Cheshyr Pontchartrain (owner of Novatech) mentioning a problem with rezzing objects from specific rez box systems...like Novatech's "Horizons" and...well...about 90% of the other systems out there. Large builds, basically builds with many parts have been rezzing in such a way that peices of the build rez more than 10 sims away at a distance of over 10,000M and then...vanish. They dont go into Lost and Found, they are just gone. This bug affects sims and parcels that have "No Object Entry" on.
The next bug is one to do with updates. Namley HUDS or items actually attached to your avatar that relys on a prim being rezzed close to you for updating the HUD or items, much like EmDash...well, thats broke as well.
Oskar Linden has stated that there is an "emergency meeting" going on in the lab at the present monet of writing this blog entry to figure things out, but im starting to see a house of cards scenario beging to appear here where server rollouts for Mesh is starting to break everything else.