SharedWorker uses catchall circuit
STR: https://mdn.github.io/simple-shared-worker/
getFirstPartyURI failed for https://mdn.github.io/simple-shared-worker/worker.js: 0x80070057
Torbutton INFO: Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE) [mozIThirdPartyUtil.getFirstPartyURIFromChannel]
Torbutton INFO: tor SOCKS isolation catchall: https://mdn.github.io/simple-shared-worker/worker.js via --unknown--:508fd21f6097f45ba346eaccf8411d0a(and dom.workers.sharedWorkers.enabled is set to false in TBB 6.5a2 ;)
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