Merge pull request emqx#15817 from zmstone/250902-temp-fix-for-quic-p…

…riv-dir

250902 temp fix for quic priv dir

Merge pull request emqx#15817 from zmstone/250902-temp-fix-for-quic-p…

…riv-dir

250902 temp fix for quic priv dir

Merge pull request emqx#15805 from zmstone/250829-router-pool-handle-…

…subs

refactor: start dispatcher pool for sharded fanout message delivery

Merge pull request emqx#15769 from zmstone/250824-sync-r59-to-r510

250824 sync `release-59` to `release-510`

Merge pull request emqx#15765 from zmstone/250822-sync-r58

250822 sync r58 to r59

Merge pull request emqx#15756 from zmstone/250820-prepare-for-release…

…-cut-e6.0.0-M2.202508

250820 prepare for release cut `e6.0.0-M2.202508`

Merge pull request emqx#15750 from zmstone/250820-fix-build

250820 fix build

ci: fix again artifacts check

chore: fix appVersion in Chart.yaml

Merge pull request emqx#15671 from zmstone/280811-sync-release-58

280811 sync `release-58` to `release-59`