This release introduces bug fixes and improvements. Notably an extra config in the app.toml, iavl-lazy-loading, to enable lazy loading of IAVL store.
Changes to be made in the app.toml can be found in the CHANGELOG.
Please see the CHANGELOG for an exhaustive list of changes.
Full Commit History: https://github.com/cosmos/cosmos-sdk/compare/v0.46.8...v0.46.9