...
How long is 14.1 good for?
Or should I upgrade any way?
The changes in 14.2 vs 14.1 are here:
https://bitcoin.org/en/release/v0.14.2Nothing classified as 'major' - just small bug fixes,
fee calculation display fixes and upnp changes.
The
bold part might be useful if you use bitcoin-qt for making payments and you've noticed it doesn't show you the fee it actually uses until the popup confirm.