The update instructions will be published within 2 hours.

Mainnet Validator and Node Software Update [v2026.07]

Please update your node software:

Update with mytonctrl:

update master
upgrade master
reload_global_config

Target versions:
— node: bb935a8 [v2026.07]
— mytonctrl: 90046e0 [v2.17.1]

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

Update is mandatory for validators, liteservers and archive liteservers.

Deadlines: Validators and full node should apply the update within 24 hours of this announcement. Lite Server operators should apply the update no later than EOD Friday, 7th of August.

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

Attention Mainnet validators

Please take part in the voting for network config adjustment:

Config 30: Set the protocol to stable version.

If you use mytonctrl, please vote for proposal via

vo 97476904964537115993827662219965215594287692635916428067774379550074503377880

Mainnet validators:

Please schedule a time in accordance with the schedule outlined below to perform and activate the [2026.08] update.

This update is mandatory for validators; full node owners do not need to update.

The upcoming update will activate collators on the TON Mainnet network.

Update schedule:
Monday 17 August at 14:00 UTC: upgrade of node software to version [2026.08].
Tuesday 18 August at 12:30 UTC: voting on network configuration changes.
Thursday 20 August at 12:00 UTC: update of the mycontrol software and activation of collators.

Please note that validator operators will not need to take any additional actions besides those mentioned above.

Mainnet Validator Software Update [v2026.08]

This update is mandatory for validators; full node owners do not need to update.

Please update your node software:

Update with mytonctrl:

upgrade master

Target versions:
— node: 3d478cb [v2026.08]

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

Deadlines: Validators should apply the update within 24 hours of this announcement.

Node changelog

We remind validators about upcoming steps towards activation of collators:

Monday 17 August at 14:00 UTC: upgrade of node software to version [2026.08].
Tuesday 18 August at 12:30 UTC: voting on network configuration changes.
Thursday 20 August at 12:00 UTC: update of the mycontrol software and activation of collators.

Attention Mainnet validators

Please make sure that you have updated your machines to [2026.08] release and take part in the voting for network config adjustment:

Config 29: Increase the maximum block size to fine-tune the performance of the collator's functionality.

Config 31 and 46: Enable governance contracts related to the functionality of collators.

If you use mytonctrl, please vote for proposal via

vo 12097562318048223189791980678866953557765689069632717643120314596680459571900 34208501212381821884916867027323947451549110714692222438954375336280844532496 46820293701090638002625837343589766216202823093489845373581525548982016382986

Attention Mainnet validators

This update is mandatory for validators; full node owners do not need to update.

Please update mytonctrl software on your machines:

update master

Target versions:
— mytonctrl: 64c2aa9 [v2.18.0]

This step will complete activation of collators on Mainnet network.

If you are not using mytonctrl, please add collators to your validators by downloading the default Mainnet collators list and issuing the following command in validator-engine-console:

set-collators-list <collators_list_json>

Attention Mainnet validators

Please prepare for an increased network load and ensure that your validator nodes:

1)
Have added a public collator list in accordance with the previously posted instructions.

2)
Have a working QUIC port.

Currently, validators with the following ADNL addresses do not have an operating QUIC port:

81A6ED816FE7C0552CA4CEDBC3BF4F2F03185CCD318CBF61DB06881D33C967CC
7ADCF5845D9878E3C21AA18C4258187DCEEAA32946042085DFF9DCFB7AB81B34
AEAAA7C47A9F3599A9C7CA11C55E5F88171A09C80D0C3783392686FE9B804BFA
B3E28C2BBF3620C5F91B8C152358123E841586A8267D0D174D9B093ADBA048A5
1CF38919D5EBB5CAE3305ECB03B99FD810F55B8510F080880FAF4941665135C0
5BBB2FEFE0D41448B297C75EDEABD0B212978E8FB4DCE7109ED343CFF8CD3C41
74B134353AB0A79C94BC4633F3045C50638B0C909B02BE032F79B585A1D7B90F

If you find your machine on the list, please urgently check your configuration using the instructions.

3)
Have a system configuration that corresponds to the latest requirements.

Please note that failure to observe the above rules will endanger network stability. If these requirements are not met, we will be forced to submit manual requests to slash specific validators.

Mainnet Validators

Please schedule time tomorrow, August 27, at 15:00 UTC to participate in the vote on the mainnet configuration update.

Voting is required.

Attention Mainnet validators

Please vote on the network configuration adjustment.

Config 30: Increase the value of the leader_window parameter (and the associated leader_window_desync) to boost TPS by up to 30%.

Config -123: Add the tg-wallet-v1 contract code to the network configuration. This contract is proposed for use with the native Gram Wallet on Telegram.

If you use mytonctrl, please vote for proposals via

vo 103977679907079231412971872774910018708729377663169264282575516601797565636726 93463024555200663351131178258216152471992757657627817026564359306222314920856

Mainnet Validators

Please schedule time wednesday, September 30, starting from 06:00 UTC to participate in the vote on the mainnet configuration update.

Voting is required.