Amazon Aurora with PostgreSQL compatibility now supports major version 12. PostgreSQL 12 includes better index management, improved partitioning capabilities, and the ability to execute JSON path queries per SQL/JSON specifications. It also enables nondeterministic collations that support case-insensitive and accent-insensitive comparisons for ICU provided collations, most common-value statistics for improved query plans, creation of generated columns that compute values with an expression, and many additional features.
Source:: Amazon AWS