How to: switch between HTTP/1 and HTTP/2 in BurpSuite Repeater

I’ve seen this topic come up a number of times since the BurpSuite 2023 was released, but it seems that the Google’s top search results still show outdated information.

Since the release of new Burp’s Inspector UI panel, the HTTP version is controlled through the “Request attributes” tab that can be found in the top right corner of the screen.

Here’s how toggling HTTP version for a given request in the up-to-date BurpSuite works in practice. Notice how changing the HTTP verb in the request body now does nothing compared to the older versions of the BurpSuite:

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