Selectivity rule threshold also considered during ambiguity check .
Some Linux and Mac OS related UI display bugs fixed.
Ambiguity check now based on the number of possible distinct product instead of the number of theoretical reaction centers.
SRU polymers support as reaction products.
Reactor desktop application now uses the native look and feel of the operating system.
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.
Reactor started enhanced stereo group numbering from 2 [bug report]
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.