PostgreSQL first release candidate version 12 is now available for download. PostgreSQL official release date of 12 planned for October 3, 2019.
RC1 version updates are as follows:
- Add additional "leakproof" mark in some string functions in order to better support non-deterministic collation. This performance will have some positive impact on the query plan
- Delete function ECPG DECLARE STATEMENT
- Changing the restored version of the main ecpglib
- Use pattern_ops opclass repair process uncertainty collation
For details, see the update: