Vampire BootLoader Release 6 (VBL R6) is finally here;

  * Officially integrated in the Apollo Vampire product family
  * Development and Releases synced with Apollo Roadmap
  * Renamed to Vampire BootLoader (VBL) with new logo
  * Support for new V4 Core R6 and ApolloOS R6
  * Support for Vampire V500-V2+ Series (delayed to R6.1)
  * Dynamic switch between V2 and V4 with same CF-Card
  * Improved UAE Turbo Install with support for physical CF
  * RTG support for future VBL Graphic User Interface (GUI)

VBL Walkthrough Guide: EXTERNAL LINK 
For free registration sent mail to: willemdrijver@mac.com 
More information, discussion, background and support at #vampire-bootloader channel