August 31st, 2015: Reactor 15.8.31
Reactor desktop application now uses the native look and feel of the operating system.
June 22nd, 2015: Reactor 15.6.22
Behavior of the --single Reactor option has been fixed/improved [forum topic].
Removed --use-cache, --allow-duplicates, and --remove-duplicate-refs options from Reactor CLI.
November 3rd, 2014: Reactor 14.11.3
Reactor started enhanced stereo group numbering from 2 [bug report]
July 21th, 2014: Reactor 14.7.21
New features and Improvements
Product standardization was removed from Reactor application, react command line application, and Reactor Java API
Please visit this page for History of changes relating older JChem versions.