v0.4.2

What's Changed

• Support an arbitrarily nested dynamic namespace by @superstar54 in #114
• Refactor socket metadata by @superstar54 in #115
• [Docs] Update concept by @superstar54 in #116
• Set required default to True for socket meta by @superstar54 in #117
• Fix the metadata of builtin sockets by @superstar54 in #118
• Fix runtime_meta_from_spec by @superstar54 in #119
• [Docs] Add annotations section by @superstar54 in #120

Full Changelog: v0.3.16...v0.4.2