Release Notes FIX BUGS: [TD-3353]: solve race condition coredump [TD-3320]: fix sync coredump [TD-3370]: fix used disk size, show acctual used instead of non-avail to current user [TD-3369]: fix taosdemo invalid write valgrind reports. (#5496) [td-3361]: fix crash caused by nchar type filter. [TD-3356]: fix bug regarding limit offset with exist child table. (#5495) [TD-3357]: fix child table count if exists. (#5488) [TD-3355]: Fix invalid table id problem caused by idpool [td-3361]: nchar tag filter caused client crash. [TD-3337]: [balance] fix pVgroup->pDb NULL pointer crash [TD-3332]: vnode report status if not closing instead of not ready [td-3338]: query data before 1970-1-1 00 [td-3318]: fix crash caused by empty stddev query. [td-3183]: fix unsigned number arithmetic calculation with sort option caused crash. [td-3331]: print timestamp format error. [td-3315]: enable insert timestamp in the format of string '1970-1-1 8 [td-3313]: fix join bug ENHANCEMENTS: NEW FEATURES: [TD-3082]: jdbc connector support unsigned tinyint, smallint, int, bigint (#5447) [TD-3192]: support child table limit and offset. [TD-3192]: support child table limit and offset. DOCS: [TD-2639]: fix link url detail. [TD-2354]: need reboot to take effect when alter CACHELAST option. [TD-2639]: improve expression of some sentences. [TD-3363]: fix typo. [TD-3352]: move "quick run" section into "install" part. [TD-2639]: clarify "now" function usage when insert multi-rows. [TD-2639]: clarify estimation of memory requirement. [TD-3336]: update description about "make install" and start service. TEST: [TD-3365]: update test case [TD-3365]: add test case for query filter on tag type [TD-3316]: add testcase for taosdemo child table limit and offset. [TD-1002]: add test case for double type