As a possible hotfix for advanced users, I am attaching a file with commands for repairing, that very likely should be safe for everyone to execute, whether affected or not affected by this bug. Let's test and review the hotfix.
Bug 1710290 Comment 4 Edit History
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As a possible hotfix for advanced users, I am attaching a file with commands for repairing, that very likely should be safe for everyone to execute, whether affected or not affected by this bug. Let's test and review the hotfix. Intended to be executed by affected users on the JS error console, if they don't want to wait for a fixed release.