Please start update of your node software from October 6 8:00 GMT to new version:
— in mytonctrl commandline run
update then upgrade.— if you don't use mytonctrl please manually rebuild code from master branch of https://github.com/ton-blockchain/ton.
Update your validators one by one, don't update all at the same time.
Please avoid update one hour prior and two hours after start of new validation cycle; on October 6 new validation round will start around 16:00 GMT, thus avoid update in 15:00-18:00 GMT span.