For what it's worth, this crash doesn't seem to be occurring in 0.17.6 or 0.17.7.

Sure - here are the last 2.

When these crashes occur, the application hangs and I have to kill the process.

Update - this crash does not seem to be related to researching or manual construction. Simply constructing a blueprint on top of some trees seems to trigger the crash pretty reliably.

I'm not positive that these are the exact steps to reproduce the crash, but I've seen this crash a dozen times or so.

1) Construction bots are building on top of trees
2) Researching something (have had crashes researching different topics)
3) Manually producing something (have had crashes building ...