Core Changes
- hide build error when returning to old build: #29813
- only schedule pages for disposing and dispose on next compile: #29816
- reduce default maxInactiveAge to 15s: #29817
- add summary logging option: #29814
- handle new hmr connection as heartbeat signal: #29818
- allow to reload disposed client pages: #29815
Credits
Huge thanks to @sokra for helping!