1Password-BrowserSupport.exe leaks ~60 processes/hour until Windows becomes unusable (traced: helper never exits after native messaging disconnect)
Environment: Windows 11, 1Password 8.12.26 (reproduced on both the Microsoft Store build and the direct download; fresh reinstall does not help). Browser extension installed in Chrome, Yandex Browser and Edge.Summary: 1Password-BrowserSupport.exe never exits when its native messaging channel closes. Since Chromium-based browsers regularly suspend and restart MV3 extension service workers, every restart spawns a new helper (plus its conhost.exe), and the old one stays alive forever. The result is a steady leak of roughly one process per minute per browser, 24/7, that slowly kills the whole machine.Measured impact on my system (Ryzen 9 7950X, 64 GB RAM):- After ~2.5 days of uptime: 2,510 × 1Password-BrowserSupport.exe + 2,520 × conhost.exe = 5,399 total processes (normal for this machine is ~370).- Commit charge 83 GB of 127 GB.- Ephemeral UDP port exhaustion (Tcpip event 4266), DNS timeouts.- Performance counter subsystem failing with WMI quota violations — Task Manager's Performance ta