Validators please rebuild your ton to last commit of https://github.com/newton-blockchain/ton

If you use mytonctrl just enter upgrade command

Then please restart your nodes with flag -F 13991798:218126:7 at 15:30 UTC / 18:30 MSK
For mytonctrl users:
1. open /etc/systemd/system/validator.service
2. add flag -F 13991798:218126:7 to the end of ExecStart: thus full line will be as follows:
ExecStart = /usr/bin/ton/validator-engine/validator-engine --daemonize --global-config /usr/bin/ton/validator-engine/ton-global.config.json --db /var/ton-work/db/ --logname /var/ton-work/log --state-ttl 604800 --verbosity 1 -F 13991798:218126:7

3. Run systemctl daemon-reload
4. make systemctl restart validator at 15:30 UTC / 18:30 MSK

For other users please restart your validator-engine instance with -F 13991798:218126:7 flag added at 15:30 UTC