Linuxeden开源社区MariaDB 10.3.12 发布了，MariaDB 是 MySQL 的一个分支，主要由开源社区维护，其旨在完全兼容 MySQL，包括 API 和命令行，使之能轻松成为 MySQL 的代替品。
主要更新内容如下：
- MDEV-17589 – Stack-buffer-overflow with indexed varchar (utf8) field
- MDEV-16987 – ALTER DATABASE possible in read-only mode (forbid ALTER DATABASE in read_only)
- MDEV-17720 – slave_ddl_exec_mode=IDEMPOTENT does not handle DROP DATABASE
- MDEV-6453 – Assertion `inited==NONE || (inited==RND && scan)’ failed in handler::ha_rnd_init(bool) with InnoDB, joins, AND/OR conditions
- MDEV-18105 – Mariabackup fails to copy encrypted InnoDB system tablespace if LSN>4G
- MDEV-17470 – Orphan temporary files after interrupted ALTER cause InnoDB: Operating system error number 17 and eventual fatal error 71
- MDEV-17765: Locking bug fix for SPATIAL INDEX
- ALTER TABLE Fixes for FULLTEXT INDEX: MDEV-17923, MDEV-17904, MDEV-17938
- Other ALTER TABLE fixes: MDEV-17470, MDEV-17833, MDEV-17815, MDEV-18039, MDEV-18041
- Fixes for regressions introduced in MariaDB 10.3.10 by the backup-safe TRUNCATE TABLE (MDEV-13564, innodb_safe_truncate=ON) and innodb_undo_log_truncate:
- Several improvements to MariaDB Server and backup for dealing with encrypted or page_compressed pages:
- MDEV-17957: Make innodb_checksum_algorithm stricter for strict_* values
- MDEV-17958: On little-endian systems, remove bug-compatible variant of innodb_checksum_algorithm=crc32
- MDEV-12112: corruption in encrypted table may be overlooked
- MDEV-18025: Mariabackup fails to detect corrupted page_compressed=1 tables
- Virtual columns: MDEV-17199 Assertion `pos < table->n_v_def’ failed after upgrade from before 10.2
- MDEV-17881: Assertion failure in cmp_dtuple_rec_with_match_bytes after instant ADD COLUMN
- The Galera library in the repositories has been updated to version 25.3.25
转自 https://www.oschina.net/news/103393/mariadb-10-3-12-released