during the last 4 weeks, my 2012 nexus 7 (rooted/custom rom,etc...) received some OTA which i have updated.
today another OTA update notification. and I updated as always... i just had to re-root.
but this time... i lost my custom recovery as well.
htc magic, galaxy s (i9000m), galaxy nexus, nexus 7, nexus 10, nexus 4 (should be the baseline performance for android), nexus 5