Mainnet Validator Software Update [v2026.04]

Please update your node software (see "Target versions") and vote for full Catchain 2.0 activation:

Update with mytonctrl:

update master
upgrade master
vo 105891622821359345175052772982283277971723874256514599276871132830604887326799

Target versions:
— mytonctrl: dedc7aa
— node 76f0ac2

If you are not using mytonctrl or using ubuntu older than 22.04, check this instruction (https://telegra.ph/TON-Node-Upgrade-202511-11-05).

If you have several validators, please update them one by one:
update a validator => wait for synchronization => move to the next one validator

⚠️ Updated instructions related to opening QUIC port is available. It includes details how to check whether your validator setup is correct, please use it.
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Update is mandatory for validators and contains measures to improve stability and defense of validators in crowded overlays under elevated TPS loads, as well as tooling for fine-tuning QUIC transport.

It is not required for liteservers and archive liteservers.


This release does not include breaking API changes and is fully compatible with recent versions of ton-http-api (acceptable versions: v2.0.64 and higher) and TON Indexer (acceptable versions: v1.2.6 and higher).

Node changelog.
Mytonctrl changelog.