This new release is an optional upgrade to version 1.0.2. and contains additional feature changes.
Below the list of changes introduced in v1.0.3:
Operational Software upgrade
The single release binary now runs on Ubuntu 18.04 and CentOS 8. Users of Ubuntu 16.04 and CentOS 7 must build the binary themselves; new build instructions for these OSes have been added to the release.
Pay-to-script-hash (P2SH) outputs in coinbase transactions are now rejected on block submission.
Fixes related to more efficient processing of reorgs.
The STN had a chain reset this month. This reset the chain in order to reduce resource consumption in test environment. To continue to use the STN without interruption/manual intervention ensure you’re on the most up to date version of Bitcoin SV (1.0.3)