v5.2.0

What's Changed

• Add not contains, matches & not matches to perspective-server and Virtual Servers by @texodus in #3208
• LLM Agent for <perspective-viewer> by @texodus in #3209
• Add STRUCT and LIST support for Arrow/JSON, fix DuckDB Arrow coercion by @texodus in #3210
• Add split_rollup_mode by @texodus in #3211

Full Changelog: v5.1.0...v5.2.0