9.3.3 / 2026-03-25

• fix(schemaType): standardize to use MongooseError instead of plain Error #16172 VIPAX-JIT
• types: make MergeType distributive to better support populate on models where the hydrated doc type is a union #16101 #16161
• docs: upgrade http:// links to https:// in connections.md #16163 Puxhkar
• docs: fix typographical, grammatical errors & documentation clarity improvements #16175 yogesh968
• docs: clarify multi-mongos support documentation for sharded clusters