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New Post: Switching the global context

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V8 supports one debug port per isolate/runtime, although, to be honest, we've never tested multiple debug ports in a single process.

Once you've enabled debugging in a given isolate/runtime, you can't reconfigure or disable it via any API. Debug flags and ports specified subsequently for the same isolate/runtime are ignored.

By the way, be aware that V8 5.6 dropped support for the original V8 debug protocol, so debug behavior is likely to change in future ClearScript versions.

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