After upgrading, my laptop’s fan started going nuts. Opening the console, I see a bunch of messages like:

worker 74585 appears stuck while processing file /Users/brad/...snip.../README.ru.md, killing process worker 74584 appears stuck while processing file /Users/brad/...snip.../README.md, killing process indexing: crawler exited while processing /Users/brad/...snip.../README.ru.md, no symbols recorded indexing: crawler exited while processing /Users/brad/...snip.../README.md, no symbols recorded worker 74906 appears stuck while processing file /Users/brad/...snip.../README.md, killing process indexing: crawler exited while processing /Users/brad/...snip.../README.md, no symbols recorded

Seems to only be .md files that are killing it.