I found out that that these messages are due to "console.log" things in the JS code. If I comment out all these logs, all the IPC stuff is gone : https://share.firefox.dev/3QIof66
Bug 1883290 Comment 8 Edit History
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I found out that that these messages are due to "console.log" things in the JS code. If I comment out all these logs, all the IPC stuff is gone : console.log removed : https://share.firefox.dev/3QIof66 console.log present : https://share.firefox.dev/3QJ5Dml