This version of the Viewer uses a less complex file caching system to save local copies of frequently used assets such as meshes, sounds and animations.
There should be no user facing differences and your Second Life experience should be identical to other versions.
Resolved Issues
SL-14227 The 'Fatal error detected' message is displayed while downloading a new version of the SL Viewer
SL-14211 Determine optimum cache size for VFS replacement cache
SL-14210 Prune descriptive tag from new cache filenames
SL-14182 [win10][cache PV] The '...LSL_TEXT.asset' file is created every time the same script is opened
SL-14148 [VFS test] Mesh avatar takes 90+ seconds to load.
SL-14107 Viewer crashes when avatar hits the ground after falling down