I believe I have isolated what seemed like a random crash while navigating.
If you use the ‘U’ key to navigate up your network (say to level2) and, in your level2 view, you start with your mouse over a text DAT in active mode, then you press ‘U’ again (to go further up the network) with the mouse still over the text DAT, TD crashes.
The attached dumps are from my testing this crash.
TouchDesignerCrash088.x64.5840.14.dmp (157 KB)
TouchDesignerCrash088.x64.5840.15.dmp (168 KB)