Hello
As I reduce layer opacity on the slider (move from left to right) in any layer. The opacity of that layer goes black after 3/4 of the way along. This has just started after installing the lastest version of m8. Obviously it should not do this.
system config:
Mac OS 10.5.3
Model Name:	Power Mac G5
  Model Identifier:	PowerMac7,2
  Processor Name:	PowerPC 970  (2.2)
  Processor Speed:	2 GHz
  Number Of CPUs:	2
  L2 Cache (per CPU):	512 KB
  Memory:	3.5 GB
  Bus Speed:	1 GHz
QuickTime Player:
  Version:	7.5
  Last Modified:	16/06/2008 11:53
  Kind:	Universal