v1.11.6
`AnnotatedString`: add concrete type asserts to `isvalid`, `ncodeunits` (#57607)
strings: type assert in the generic `nextind`, `prevind` methods (#57608)
fix #55389: type-unstable `join` (#55395)
faster findfirst(iszero) for byte arrays (#41457)
Fix some typos found by codespell (#47423)
Add eachrsplit iterator (#51646)