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DevTools member here. We have been working on performance over the past release – is there anything specific that you can point out as being slower for us to focus on?

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I have not yet tested v72, I'm on v71. The Chrome dev tools Console feels (not measured) about 100x faster then the Console in Firefox. Even Chromium Console can be limiting though. Yeh, I probably should not use console.logs for debugging, but it's much faster forkflow then firing up the debugger. Even with the lag. With the Chromium Console the lag is not that bad, and it has a search function. Both console's have a bunch of cool features, like being able to inspect DOM nodes, explore objects, etc. Witch I think might be a reason for the lag. Most of the time I just want to search the logs to find out what happened. An idea is if you can just get the plain text from the console.logs somehow. In chromium all console.logs get sent to stdout, so I can pipe the logs to a file, then use any editor to search it. But I prefer using the dev tools.

Maybe make a perf switch in the console, which dumps the text without formatting or other features. Something that can handle one million lines of logs and search in it. Being able to search the logs is critical. Filtering doesn't work as I need to see the surrounding logs, what happened after. I don't need to see all one million lines at the same time though, it can be buffered to only show 100 lines above it and 100 lines below it. Chromium has such an optimization. But search is a bit slow.

I'm on v72 now and the Dev tools console feels even slower. It now freezes with just a few thousand log messages.

I also have to keep clicking the clear button to prevent the page from freezing if the dev tools console is open when loading the page.

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