MDEV-39403
Q2 2026 release merge
MDEV-35978
Assertion `order' failed when using vector distance in GROUP BY after setting SQL_BUFFER_RESULT=1- MDEV-35867
mariadb-check --repair does not repair sequences, only changes the status to OK - MDEV-29553
SQL_MODE=ORACLE for INTERSECT doesn't work for view - MDEV-28475
Aggregate functions does not work when it is called from views - MDEV-29278
Failed with wrong errno 1205: 'Lock wait timeout exceeded; try restarting transaction', instead of 1213.. - MDEV-29207
Update view have to fail with error ER_VIEW_CHECK_FAILED (1369), but it doesn't - MDEV-30123
Aria transaction log do not start if there is one-page-size file in it - MDEV-23738
Get rid of Item::null_value 
MDEV-36543
Memory fragmentation detection- MDEV-25050
Memory leak in create_file and dangling open files after failing SELECT INTO OUTFILE inside stored procedure - MDEV-28585
Wrong result for view defined as SELECT ROW(1,2,3) = (SELECT 1,2,NULL) - MDEV-29588
Swap atomically a view in place of an altered table - MDEV-32310
Prepare phase: Server crashes at Field_iterator_table::set - MDEV-25927
Assertion `status_var.local_memory_used == 0 || !debug_assert_on_not_freed_memory' failed in THD::~THD on PREPARE and SHUTDOWN, Warning: Memory not freed: 16448/16496/16808 - MDEV-25176
SHUTDOWN-caused SIGSEGV's, SIGABRTS's, error 22 and heap-use-after-free when using event_scheduler - MDEV-35592
ERROR 1062 (23000): Duplicate entry 'NULL' for key 'key0' on CONCAT in sub-query - MDEV-32236
ALTER TABLE NOWAIT / WAIT can cause table statistics to be wrong - MDEV-23336
CHECK OPTION is ignored for a multi-table update over a view - MDEV-36706
Assertion `copied_in' failed in virtual String *Item_copy_string::val_str(String *) - MDEV-38902
I_S.system_variables shows wrong global_value_origin for collation_server - MDEV-38034
Assertion `trx->id || index->table->no_rollback() || index->table->is_temporary()' failed in dberr_t row_ins_index_entry(dict_index_t *, dtuple_t *, que_thr_t *) - MDEV-23752
SHOW EXPLAIN FOR thd waits for sleep - MDEV-23701
Assertion `open_tables == __null' failed in translog_flush_buffers *and* Assertion `log_descriptor.bc.buffer->prev_last_lsn == ((LSN)0)' failed. - MDEV-36875
KILL with nested subqueries crash server 
MDEV-38741
Client disconnect fails to abort a lock wait- MDEV-19817
Server crashes in Multiupdate_prelocking_strategy::handle_end upon UPDATE with view and foreign key - MDEV-39305
SIGSEGV in handler::keyread_enabled | handler::ha_end_keyread | st_join_table::cleanup - MDEV-39149
GTT: InnoDB: Failing assertion: table->get_ref_count() == 0 in dict_sys_t::remove from innodb_shutdown - MDEV-39074
trans_rollback_stmt(THD *): Assertion `! thd->in_sub_stmt' failed. - MDEV-39380
MariaDB debug build assertion `arg2_int >= 0' failed in Item_func_additive_op::result_precision - MDEV-34646
Be more helpful on unknown parameter messages - MDEV-39008
FederatedX broke Timestamps when Connection change - MDEV-39063
Server crashes at Item_func_lastval::val_int and Item_func_setval::val_int with CTE alias - MDEV-39351
ROUND(AVG()) produces different results via window function path vs scalar subquery path - MDEV-39467
Server stops logging slow queries when enabling --log-short-format , also server does not show log-short-format variable info in the global variable list - MDEV-34195
Compilation of MariaDB 10.11.8 fails on x32, sizeof(MYSQL) is wrong - MDEV-22374
VIEW with security definer require FILE privilege from definer not invoker in case of INTO OUTFILE - MDEV-31284
SIGSEGV in VDec2_lazy::VDec2_lazy | Item_func_plus::decimal_op - MDEV-23864
BULK insert wrong values when command contain inner select - MDEV-31130
INSERT-SELECT with many when/case/if conditions running forever - MDEV-26673
COM_STMT_EXECUTE (bulk) returns error on INSERT .. SELECT .... - MDEV-38561
ASAN heap-use-after-free in Query_arena::free_items/sp_lex_cursor::~sp_lex_cursor - MDEV-39450
Memory corruption: overlapping memory ranges in Field_longstr::compress on UPDATE of compressed column - MDEV-26831
New name resolution - MDEV-36548
Bind Parsed Item to Table/Variable/SPVariable - MDEV-36549
Convert Parsed Items to other Items depending on binding results - MDEV-39179
Incorrect NULL handling in UPDATE ... RETURNING result - MDEV-30645
CREATE TRIGGER FOR { STARTUP | SHUTDOWN } - MDEV-39343
Restoring from a mysqldump from older version makes mysql_upgrade version test fail
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