I found that a plain installation of a react-native project has the crash happening. Maybe you can reproduce it in this test project: https://github.com/koenpunt/TextMateCrash/

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On Dec 10 2016, at 2:18 pm, Allan Odgaard <mailinglist@textmate.org> wrote:

On 8 Dec 2016, at 21:40, Allan Odgaard wrote:

> I could remove the Xcode support, this should cause no issues other
> than taking away functionality. Don’t know if anyone depend on this.

As a (potential) temporary fix, I made the Xcode datasource support

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