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Technical notifications and up-to-date requests for action for TON validators, developers and integrators. If you're a validator or developer of a popular TON service you should be subscribed.
Mainnet validators
Please take part in the voting for network config adjustment.
Details of updates are given above.
1. Check that your validator software is on the latest version: commit 8e6f091.
2. If you use mytonctrl, please vote for proposals via
vo 9901998680707950950238275199047408807574030713004871006823337513201412566813 21526253372328041162945873458133265853602219828453225088086555939852366673948 25457740459214303188122764586580481160870045992693138140082832275221088727435 27888037080949394985586284390638387418032132650027223566011206271775308997958 47109645929274029714503680701532923988963495538545236837911985690370399364755 91653260358164255814917090285064033870499577570446925645989803264091693189638 97476904964537115993827662219965215594287692635916428067774379550074503377880 105421554118666087537177391865877968766437175802842020945158031714676721220730 63244263381357691341252589176593235583578881537703891344526025000835647174683Читать полностью…
Mainnet Validator Software Update [v2026.05]
Please update your node software:
Update with mytonctrl:update master
upgrade master
Target versions:
— mytonctrl: 9520ad2
— node 8e6f091
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 should apply the update within 24 hours of this announcement. Lite Server operators should apply the update no later than Friday, 5th of June.
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
Final shutdown stage for Toncoin and Token Bridge
Toncoin and Token Bridge at bridge-v3.ton.org will be permanently shut down on September 1, 2026.
All percentage-based transfer fees have been waived for the remaining bridge withdrawal period.
Users who have previously used the bridge should check their wallets and withdraw any remaining bridged assets before the shutdown date.
Required action
If you have Wrapped Toncoin in your Ethereum or BNB Smart Chain wallet, please bridge it back to TON using bridge-v3.ton.org before September 1, 2026.
If you have jUSDT, jUSDC, jDAI, jWBTC, or any other j-tokens in your TON wallet, please bridge them back to Ethereum using bridge-v3.ton.org before September 1, 2026.
After this date, the bridge will no longer be available for any transfers.
Current status
All previously submitted user transfers have been processed.
For transfers that had been executed but not claimed by users, the required TON and EVM network fees were covered, and those transfers have also been completed.
On June 2026, bridge oracles will withdraw their stakes from the bridge contracts. The oracles will continue processing bridge transfers until the final shutdown on September 1, 2026.
Mainnet Validators
Due to the heightened attractiveness of staking, significant new capital has entered the validation, resulting in a corresponding increase in the minimum and maximum effective stakes required for validation.
We advise validators to verify whether their current machine allocations are sufficient to participate in validation and to aggregate their stakes into larger positions where feasible.
In the current round, the minimum and maximum stakes are 824,000 and 2,425,000 TON, respectively. We anticipate an increase to 1,000,000 and 3,000,000 TON in the near future. Please ensure you are prepared for this adjustment.
If you do not possess sufficient stake to participate in both rounds, consider utilizing staking services, which typically offer specialized conditions for large-scale stakeholders. Alternatively, you may configure 1-of-2 rounds validation. Please contact Core support for consultation regarding the implementation of this strategy to preserve maximal capital efficiency.
Mainnet validators
Please take part in the voting for network config adjustment.
Details of updates are given above.
1. Check that your validator software is on the latest version: commit 591b34d.
If you use mytonctrl, please vote for proposal via
vo 84123553170509389098874880050862184605633619991871324449516531408050268055269 42941749423356085253181262402693749199117510848841139894863341148398531565866 65009153936108305610337904793535370282692919307756841131143481982045644609157Читать полностью…
Mainnet Validator Software Update [v2026.04-1]
Please update your node software:
Update with mytonctrl:update master
upgrade master
Target versions:
— mytonctrl: 62bbe8f
— node 591b34d
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 and contains measures to improve stability and security of validators.
It is not required, but highly recommended for liteservers and archive liteservers especially those that experienced synchronization instability.
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.
Lite Server and Full Node operators
A new update is available to improve node stability and synchronization. Operators experiencing issues (including error 651) with their nodes are advised to update.master branch: 03cc3da51db03b8876c2cc2a43fd46410ff8bc34.
This update applies to Lite Servers and Full Nodes only. Validators do not need to update.
Sub-Second is Live
The vote to enable Sub-Second has passed, and the blockchain has switched to the new high-speed mode.
The blockchain is currently running stably.
About 7% of validators have not yet updated, so the block production rate is still slightly below the target
We ask validators who have not yet updated to do so.
API developers and product developers — please make sure everything is working properly in your services.
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
dedc7aa76f0ac2
Mainnet Validators
Voting and the upgrade have been postponed from April 7 to April 8 at 14:00 UTC.
Additional time has been allocated for infrastructure preparations by certain validators and services, as well as for additional preparation of the TON Core development team.
Mainnet validators
The proposals for the first stage of the migration to the TON Sub-Second regime have been accepted. Thank you for your support!
The mainnet basechain is already running on Catchain 2.0 with an 800 ms target block time. Services using streaming APIs, such as MyTONWallet, have already seen up to a 3x improvement in transaction UX speed. Services relying on older, more established APIs should continue to operate as usual.
The second and final stage of the migration, which will fully enable Catchain 2.0 on the masterchain and reduce block time to 400 ms, will begin on April 7. We would appreciate your support for this step as well.
⚠️ Please note that full activation of Catchain 2.0 consensus requires an additional open UDP port for ingress traffic on nodes actively participating in validation (full nodes and lite servers are not affected). Documentation on this will be published later today in this channel.
Mainnet validators
Tomorrow, April 2, at 8:00 UTC, we ask validators to set aside time to vote on two proposals:
— Bump the TVM version to 13. This fixes some logical issues in transaction execution and serialization (which does not affect real-world contract behavior) and allows faster than 1 block per second.
— Vote to activate Catchain 2.0 in the basechain, with a block time of 800 ms and a first-slot timeout of 1600 ms.
Due to the transition to the new consensus, and to prevent unjust penalties after the new consensus is activated, voting on fines in MyTONControl is disabled until April 20. Thank you for your attention to this matter.
Mainnet Node Software Update [v2026.03]
Please update your node software (see "Target versions"):
Update with mytonctrl:
update master
upgrade master
c38f540af252bc
Mainnet Validators and Node Owners
Please update your node software (see "Target versions"):
update master
upgrade master
c171ae51690ba0
If you are running on-premises Toncenter APIs you will need to ensure that those components are upgraded alongside with node upgrade to the following versions:
Toncenter Indexer
v1.2 tree -> v1.2.6
Toncenter HTTP API
v2.0.64
New versions of API components are backwards compatible with previous releases and do not introduce any breaking changes.
Mainnet validators
A scheduled network configuration adjustment will take place tomorrow, June 3, at 17:00 UTC. We ask validators to cast their votes withing 24 hours after that.
Full details of the update are available here.
This update is required to:
- activate measures that further improve network performance and make validation more stable;
- make validation more permissive by allowing a wider range of minimum and maximum stakes;
- proceed with the TON Bridge closure.
Mainnet validators and node owners
Scheduled network update on June 1
We ask all validators and node owners to schedule time on Monday, June 1, at 10:00 UTC to update their validator software.
This update is mandatory and introduces security and performance-related changes to consensus.
On June 3, we expect to propose corresponding network configuration changes for voting, including:
- Config8: set TVM version to 14 and activate the full_collated_date capability to improve validation performance.
- Config17: increase max_stake_factor from 3 to 4.5, allowing validators with smaller stakes to continue participating in network maintenance despite higher maximum stakes.
- Config29: set max_collated_bytes to 10 MB.
- Config30: set enable_observers from 0 to 1, introducing a separate overlay for fast candidate broadcasts among validators.
- Config79, 80, 81: change of addresses to proceed with bridge closure.
These changes will increase overall network performance and won't affect validation rewards
Clarification for TON Node Operators
The Rust implementation of the TON node has experimental status and is not intended for use on the main network, either as a validator or as a full node/liteserver.
At this time, alternative TON node implementations do not yet provide the required quality of operation or sufficient compatibility with current protocols. For validators, this means a risk of penalties for improper operation once the slashing system is re-enabled.
The TON network currently runs on the reference C++ implementation. Bringing alternative implementations into operation is not on the agenda — the priority is the continued rapid development of protocols and technologies in support of the MTONGA plan.
For the main network, operators should use the C++ version of the TON node.
Mainnet validators
All proposals were accepted! Thank you!
Mainnet Validators
We ask you to support the proposal by Pavel Durov to reduce transaction fees by 6 times as part of the broader MTONGA plan.
Technical details are available here.
If accepted, the proposal would reduce total validator rewards by less than 0.4%, because transaction fees are only a small part of the validator reward.
Please be prepared to cast your vote after 13:00 UTC on April 30, tomorrow.
Liteserver Synchronization Instability
Over the past several days, multiple operators have reported liteserver synchronization issues.
Our analysis has identified several potential causes affecting block and external message propagation in public overlays. We have already deployed a number of mitigations to reduce the impact. However, a full resolution will require additional analysis and a validator update.
Expected Impact:
At this time, the impact appears to be limited primarily to smaller
third-party operators running a single liteserver. The blockchain
continues to operate within an acceptable range, transaction processing performance has not deteriorated, and major services and wallets continue to function normally.
We currently expect the validator update to take place on April 28. Some validators may be asked to update earlier.
Upd: https://telegra.ph/Synchronization-Instability-Report-04-23
Scheduled Closure of the Token Bridge V3
Effective April 27 at 12:00 UTC, token transfers from Ethereum to TON through the bridge-v3.ton.org will be permanently discontinued.
Claims for previously completed transfers will remain available.
Transfers from TON to Ethereum will remain available. The token-amount-based fee for such transfers will be removed.
This is a planned closure of the Token Bridge V3, following the earlier discontinuation of jUSDT and Toncoin transfers. All user funds remain safe.
The Token Bridge played an important role in the early development of the TON ecosystem.
The ecosystem is transitioning to newer cross-chain solutions:
https://ton.org/bridges
Catchain 2.0 activation
The proposal to activate Catchain 2.0 passed the first round with more than 85% support. Thank you!
We expect activation to take place shortly after the start of the next round, around 7:00 a.m. UTC.
⚠️ At the moment, about 7% of the network has not yet been updated. Please:
1) update immediately and
2) open QUIC port (QUIC instructions) and verify that the QUIC port is available on validators.ton.org.
Mainnet validators
Tomorrow, April 8, at 14:00 UTC, we ask validators to set aside time to upgrade and vote on the following proposal:
— Vote to change Config Parameter 30, to activate Catchain 2.0 in both masterchain and basechain with block production rate of 400ms.
In addition to improving network performance from a UX speed perspective, this change is also expected, based on the current network configuration, to increase total validator rewards. However, the final validation APY cannot be determined in advance, as it depends on the dynamic relationship between the total staked amount and the reward pool.
New port configuration instruction for validators
https://telegra.ph/TON-Catchain-20-consensus-QUIC-Communication-Port-04-03
Mainnet Validators
Please ensure that your node is up-to-date (see "Target versions") and vote for proposal described above.
vo 4584813700287845504087026157451368340466400045879786828806270820611372984010 67278638360635871279241310364679419892513753094383521529029204229246773004198
c38f540af252bcЧитать полностью…
1.Create signed vote in validator-engine-console:createproposalvote 4584813700287845504087026157451368340466400045879786828806270820611372984010 vote-msg-body.boc
2. Send obtainedvote-msg-body.bocto-1:5555555555555555555555555555555555555555555555555555555555555555in internal message from any wallet from masterchain with 2 TON attached. If you are usingwallet.fifscript, it can be done via:
fift -s wallet.fif <path-to-key> -1:5555555555555555555555555555555555555555555555555555555555555555 <seqno> 2 -B vote-msg-body.boc
and send resulting message to network.
If you are using lite-client, it can be done via
lite-client -C global-config.json -rc "sendfile wallet-query.boc"
3. Repeat for67278638360635871279241310364679419892513753094383521529029204229246773004198
Sub-Second mainnet activation timeline for validators
March 31 (today): Upgrade validator nodes to the version supporting the latest consensus changes.
April 2: Vote to activate the new consensus on the basechain and enable a moderate block rate increase.
April 7: First, vote to fully activate fast consensus on both the basechain and masterchain, and then upgrade validator nodes.
Mainnet validators and node owners
Scheduled network update on March 31
We are asking validators and nodes to schedule a time on Tuesday, March 31 at 8:00 UTC for validator software update.
This update is mandatory and introduce changes to consensus that is expected to be activated in early April.
Mainnet validators and node owners
Scheduled network update on February 24
We are asking validators to schedule a time on Tuesday, February 24 at 8:00 UTC (tomorrow) for validator software update.
This update is mandatory and contains stability fixes. Validators and nodes that are already upgraded to 1690ba0 may skip this update.
Mainnet Validators and Node Owners
Before upgrade please install clang-21 or higher (it is mandatory now, instruction is here). And remove openssl binaries compiled by previous TON installations:
sudo rm -rf /usr/bin/openssl_3
update master
upgrade master
c171ae5f67a1d9