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Target customers: all users. Features released: New features Fully encrypted databases now support the security-enhanced instance families that are developed based on Intel® Software Guard Extensions (SGX). For more information, see Overview of fully encrypted database. The Ganos plug-in is updated to V4.1. The new version supports multiple new functions and enhances multiple existing functions. For more information, see Release notes of Ganos. The rdsutils plug-in that supports the failove_slots feature is released. The rum plug-in is updated to version 1.3.8. The pglogical plug-in is updated to version 2.4.0. The PLV8 plug-in is updated to version 2.3.15. Feature optimization GCC is updated to version 4.9.2, and glibc is updated to version 2.30. When Link Time Optimization (LTO) is enabled, the overall performance can be improved by 5%. The audit log feature is optimized. When the log_statement parameter is set to all, the performance in scenarios that have more than 50 active connections can be improved by 4 times. The default value of rds_failover_slot_mode is changed to async, which indicates that the Logical Replication Slot Failover feature is enabled by default. Fixed issues The issue that causes the mysql_fdw plug-in to access memory out of bounds in some scenarios is fixed. The issue that causes the pg_cron plug-in to access memory out of bounds in some scenarios is fixed.