Manifest v3 webrequest blocking

[GG1234]

Hello, 

It is stated here: https://developer.chrome.com/docs/extensions/mv3/intro/mv3-migration/#modifying-network-requests

"When can you use blocking webRequest?

The blocking version of the webRequest API still exists in MV3 but its use is restricted to force-installed extensions only. See Chrome Enterprise policies: ExtensionSettings, ExtensionInstallForcelist."

When I try to test this using "load unpacked" its not working and im getting an error that "webRequestBlocking is only supported in manifest v2" and in the service worker page im getting this error:

"You do not have permission to use blocking webRequest listeners. Be sure to declare the webRequestBlocking permission in your manifest"

Any suggestions? it should work when using "load unpacked" in order for us to test this.

Thanks

[GG1234]

Looks like it works when adding the extension to the "ExtensionInstallForcelist" 

I think it should also work when using "load unpacked" for testing purposes  

[Eadan]

Hey, any news on this one?

We are using webRequestBlocking permission for a forced-install extension.

It is extremely difficult to test the extension locally since webRequestBlocking is blocked on manifest v3 for unpacked extension.

Can we give unpacked extensions the same webRequestBlocking capability as forced-install extension has for manifest v3? 

Maybe even hide it under some flag.

[Tyler Smith]

I'm having the same issue. We need to be able to test locally. I've seen vague references to the "ExtensionInstallForcelist" before but never been able to figure out how to manipulate that. Anyone learned anything?

[Br Dev]

I've created https://crbug.com/1338871 for this issue

[Yuan Ho]

I am having exactly the same problem. Is there a chrome launch flag which can make chrome treat extensions loaded unpacked as force installed extension?

[majid shirazi]

Hello, I am from Iran, I wanted to give you your telegram address and help me with some programming

در تاریخ پنجشنبه ۱۵ سپتامبر ۲۰۲۲،‏ ۱۴:۵۲ Yuan Ho <tian...@gmail.com> نوشت:

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