v6.5.0
[website] Remove Octopus as diamond sponsor (#45782) (#45948)
[docs] Migrate system props to `sx` prop (#42475)
[material-ui][docs] Open Material UI template with CodeSandbox/StackBlitz (#43604)
[core] Prepare v6 branch for v7 stable release (#45668)
[code-infra] Remove commonjs imports in docs (#44976)
[docs-infra] Move Ads component to TS (#42842)