MariaDB 10.3.16 发布了，详细的改进记录请看 release notes.
包括：
- Includes all fixes from MariaDB 10.2.25
- Revision #0789a1a18f 2019-06-15 01:21:40 +0300
- Updated list of unstable tests for 10.3.16 release
- Merge Revision #1135244a64 2019-06-14 14:22:14 +0200 - Merge branch '10.2-release' into 10.3-release
- Revision #2e73561c6c 2019-05-20 19:08:03 +0200
- MDEV-16804 SYSTEM VERSIONING columns not showing as GENERATED
- Merge Revision #4a3d51c76c 2019-06-14 07:36:47 +0200 - Merge branch '10.2' into 10.3
- Revision #d9fe615ef6 2019-06-14 07:16:53 +0300
- spider_db_init(): Do not return uninitialized error_num
- Merge Revision #cf78b8c699 2019-06-12 08:26:32 +0300 - Merge 10.2 into 10.3
- Merge Revision #b42dbdbccd 2019-06-11 13:00:18 +0300 - Merge 10.2 into 10.3
- Revision #490dcfd5d7 2019-06-05 20:57:09 +0200
- MDEV-19698: Cleanup READ_RECORD::record
- Revision #f7579518e2 2019-05-27 10:40:04 +0300
- MDEV-19600: The optimizer should be able to produce rows=1 estimate for unique index with NULLable columns
- Revision #7060b0320d 2019-05-29 15:14:09 +0300
- Fixed c++11 narrowing error in table.cc
- Merge Revision #e99ed820d7 2019-05-29 13:04:33 +0300 - Merge 10.2 into 10.3
- Merge Revision #90a9193685 2019-05-29 11:32:46 +0300 - Merge 10.2 into 10.3
- Revision #fcb68ffe3d 2018-05-29 23:25:50 +0300
- Simplified away READ_RECORD::struct_length
- Revision #5d46eeefad 2018-05-29 23:25:50 +0300
- Simplified away READ_RECORD::cache_records
- Revision #3950a98a34 2018-05-29 23:25:50 +0300
- Cleanup unused READ_RECORD::index
- Revision #c8d9ec2cbb 2018-05-29 23:25:50 +0300
- Cleanup unused READ_RECORD::forms
- Revision #617d34ae80 2019-05-27 16:30:17 +0300
- Fixed wrong reset of join_cache_level in join_outer*test
- Revision #592dc59d7a 2019-05-09 09:36:43 +0200
- MDEV-17458 Unable to start galera node
- Revision #d0ef948d70 2019-02-22 17:06:12 +0200
- Non-functional change: Remove #ifdef UNIV_DEBUG
- Revision #c86773f46f 2019-02-06 22:26:52 +0300
- MDEV-18136 Server crashes in Item_func_dyncol_create::prepare_arguments
- Revision #6473641b9a 2019-02-21 18:59:28 +0300
- MDEV-18512 using DATETIME(6) as row_start/row_end crashes server
- Revision #b77460508e 2019-05-20 13:02:22 +0300
- MDEV-19486: Fix -Wsign-compare
- Revision #48a662dae5 2019-05-19 23:15:55 +0300
- MDEV-19486 Server crashes in row_upd or row_upd_del_mark_clust_rec on REPLACE into a versioned table
- Revision #7056812ed1 2019-05-20 00:35:30 +0530
- MDEV-16214: Incorrect plan taken by the optimizer , uses INDEX instead of ref access with ORDER BY
- Revision #2ae83affef 2019-05-18 11:38:43 +0200
- update a test result, followup fae6539ef72
- Merge Revision #c1fd027115 2019-05-17 17:23:01 +0200 - Merge branch '10.2' into 10.3
- Revision #e506bef430 2019-05-13 14:19:10 +0200
- MDEV-15458 Segfault in heap_scan() upon UPDATE after ADD SYSTEM VERSIONING
- Revision #43623f04a9 2019-05-13 14:22:49 +0200
- MDEV-15458 Segfault in heap_scan() upon UPDATE after ADD SYSTEM VERSIONING
- Revision #73de06c48f 2019-05-10 16:38:54 +0300
- make method const
- Revision #3d649c6e37 2019-05-10 16:21:22 +0300
- MDEV-15408 Confusing error message upon ER_VERS_FIELD_WRONG_TYPE while omitting UNSIGNED in BIGINT
- Merge Revision #3d56adbfac 2019-05-16 14:24:29 +0300 - Merge 10.2 into 10.3
- Revision #b7d22a843e 2019-05-16 10:16:09 +0400
- MDEV-16872 Add CAST(expr AS FLOAT)
- Merge Revision #e0e805759f 2019-05-15 17:06:05 +0300 - Merge 10.2 into 10.3
- Revision #fde29f3a22 2019-05-15 16:33:13 +0400
- A cleanup for MDEV-19468: Adding a missing #include <cmath>
- Revision #6434e495c1 2019-05-15 15:22:06 +0400
- A cleanup for MDEV-19468 Hybrid type expressions return wrong format for FLOAT
- Revision #462d689397 2019-05-14 21:47:38 +0400
- MDEV-19468 Hybrid type expressions return wrong format for FLOAT
- Revision #4937339705 2019-05-14 19:40:21 +0300
- MDEV-19445: After-merge fix
- Merge Revision #73e038520f 2019-05-14 18:10:06 +0300 - Merge 10.2 into 10.3
- Merge Revision #874f8f30f2 2019-05-14 17:25:25 +0300 - Merge 10.2 into 10.3
- Merge Revision #be85d3e61b 2019-05-14 17:18:46 +0300 - Merge 10.2 into 10.3
- Revision #c0bc9480e7 2019-05-14 10:07:57 -0400
- bump the VERSION
- Merge Revision #518cb2bb97 2019-05-14 14:23:35 +0200 - Merge branch 'bb-10.3-release' into 10.3
- Revision #06b50da770 2019-05-13 14:54:35 +0000
- Fix typo THRASH_FREED_MEMORY->TRASH_FREED_MEMORY
- Revision #374dae3ecc 2019-05-13 14:31:15 +0000
- MDEV-19452 - fix incorrect push_warning_printf
- Revision #0c188d5efc 2019-05-13 10:08:42 +0000
- Make TRASH_FREED_MEMORY a cmake option, similar to SAFEMALLOC