v0.8.1 is a non-breaking version in the release stream of v0.8.x.
- It fixes the
v0.7.0-hotfixupgrade issue on testnet, so it's required for the testnet nodes to use for thev0.7.0-hotfixupgrade. - iavl is upgraded to
v0.19.1, which has significant performance improvements in the application database, but the first-time start-up takes a longer time to create some indexes, after that the startup time will drop significantly. - cosmos-sdk is upgraded to
v0.45.8.