I've been using react-router 0.13.4 for almost a year in a project and it works perfectly. I found no reason to upgrade and am now glad I didn't bother.
Same here. I don't understand why people always feel like they need to have the latest and greatest version, and then complain when shit breaks.
How about this: if it ain't broke, don't upgrade.
No way, I can't do that! I'll get ridiculed for not being on the latest and greatest, and if I complain and take shots at the people building critical code for me to use for free, I'll get pats on the back by my peers!