v3.2.1

What's Changed

• feat:metadata package by @d-v-b in #3919
• fix: CastValue wrap validation bug by @d-v-b in #3938
• fix: use contextual arrayspec when validating / evolving codecs by @d-v-b in #3941
• fix: defer to fsspec for memory url scheme by @d-v-b in #3944
• release : 3.2.1 release notes by @d-v-b in #3942

Full Changelog: v3.2.0...v3.2.1