WireBox 6 is a major release for WireBox accompanied by the ColdBox Platform release. WireBox includes LogBox and CacheBox and you can find the appropriate release notes for those libraries as well.
What's New With 6.0.0
ColdBox HMVC Documentation
What's New With 6.0.0
Release Notes
WireBox
CacheBox
LogBox
Bugs
[WIREBOX-90] - Fix constructor injection with virtual inheritance
New Features
[WIREBOX-91] - Injector's get a reference to an asyncManager and a task scheduler whether they are in ColdBox or non-ColdBox mode
[WIREBOX-92] - New `executors` dsl so you can easily inject executors ANYWEHRE
[WIREBOX-97] - New dsl coldbox:coldboxSetting:{setting} alias to coldbox:fwSetting:{setting}