RStudio freezes on startup, qtwebengineprocess eating up lots of CPU

RStudio keeps freezing when I start up from a specific .RMD file (I'm using Mac OS Catalina). After about 30 seconds, qtwebengineprocess starts up in my Activity Monitor utility and is eating up lots of CPU power (upwards of 300%). I simply can't figure this out. Thoughts?

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We've seen this occur when an R Markdown document contains a chunk which generates a very large amount of console output.

If you haven't already, you might also try updating to the latest version of RStudio (v1.2.5019) as it contains some mitigations for this issue (if it is indeed what you are seeing).

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