Duplicate Uber lag and blue (moving) background parts in city

[DeletedUser778]

Game version: 0.30.2381-v0.30-rc4-(master) (2015-11-25 15:00)
Game world: zz1
Browser + version: FF 42.0
Flash Player version: 19.0.0.245
Operating System: Win7 64bit
Screen resolution: 1920x1080
Account name: LordB
Humans or Elves: Elf
Hardware Acceleration: off
City graphic quality: low

After the game is open for a longer time I get a blue background in the city now aswell and everything is really laggy and slow.

 

[DeletedUser]

... or you simple get a 'white-screen' ....

 

[DeletedUser]

... or an 'anonymous' screen ... without names

 

[DeletedUser778]

... or someone 'switched the light off' and you can use the mouse as 'flashlight'

 

[DeletedUser]

... or map of type *snap* ...

Edit by Muf-Muf: No need for political comments.

 

[Muf-Muf]

Let's continue this discussion in this thread as it seems to be the same problem at the core.