TON ecosystem May 26, 2026: weekly highlights

A busy week: Tonkeeper rolled out 4.7.0 final after a stack of release candidates, MyTonWallet moved from 4.9.4 to 4.9.6 in 11 days, and most importantly — the TON Core v2026.05 release candidate landed with a big virtual-machine upgrade (TVM v14) and a sweep of legacy code. In parallel, the TVL picture is shifting: Tonstakers keeps dominating, while TONCO is sliding hard among DEXes.

Here’s what matters now versus what’s a setup for the months ahead.

Wallets: Tonkeeper 4.7.0 stable is out

The headline event for TON holders this week is the final Tonkeeper 4.7.0 release on May 25. Between May 18 and May 22, the team shipped five release candidates (rc.1 through rc.5), stabilising several changes at once:

• Fix for a signData spoofing path (internal ticket TK-1104) — a malicious dApp could fool the domain check in TON Connect manifest and trick users into signing data on behalf of a legitimate site. After 4.7.0 the bypass is closed.
• Reworked swap with a new token search and API client.
• CLDR pluralisation for correct localisation across languages.
• Removed standalone web-swap-widget from the repo — the embeddable swap widget is gone, but the in-wallet swap stays.

For a primary wallet holding meaningful balances, 4.7.0 stable is the recommended version. We covered the detailed changes in our Tonkeeper 4.7.0 RC deep-dive — the final release ships the same surface that survived an additional round of testing.

MyTonWallet: the 4.9 series wraps up at 4.9.6

MyTonWallet shipped two patches in a week — 4.9.5 on May 22 and 4.9.6 on May 25. The team doesn’t publish detailed release notes (releases are auto-created by github-actions without descriptions), so specifics live in the actual version-bump commits. What’s verifiable from the cadence:

• The team shipped three minor releases in May (4.9.4 → 4.9.5 → 4.9.6) and continues the rapid update cycle typical of major multi-chain wallets.
• The 4.9 series started April 28 with 4.9.0; seven point releases in a month.
• Releases are available across all platforms — Linux, macOS, Windows, Android, iOS, Chrome extension.

If you use MyTonWallet as a secondary wallet — update. At seven releases a month, critical fixes typically arrive as point versions. For a comparison of MyTonWallet against Tonkeeper, Tonhub and Wallet, see our wallet comparison piece.

TON Core v2026.05: RC with TVM v14 and catchain removed

The most important release for developers and validators is the TON Core v2026.05 release candidate from May 25. Notable merged PRs:

Virtual machine and execution:

• TVM v14 — a major upgrade to TON’s virtual machine. The exact opcode list will be clear from the final tag, but the headline is the version bump itself — the biggest TVM rev in the last six months.

Consensus and networking:

• Catchain removed — the legacy consensus mechanism that was an active part of the network in earlier iterations is now fully removed from the codebase. The replacement, Simplex, has been live for a while; this is the final cleanup of the old code.
• Send block candidates over a dedicated block-sync overlay — block candidates now flow over a dedicated sync overlay instead of the shared channel.
• Disable legacy RLDP for full-node shard inbound — incoming shard messages on full nodes no longer use the old RLDP.
• adnl-proxy removed — an entire networking component is gone.

Validators and nodes:

• Explicit startup-readiness signaling in validator-engine — the validator now explicitly signals readiness after startup, which matters for orchestrating validator clusters.
• Cap validator set total weight — the total weight of the validator set is now capped, reducing the risk of excessive concentration.
• Liteserver: get shard client state — lite-server gets a new method to expose shard-client state.

Other:

• Fix for an incorrect getOriginalFwdFee formula in the docs.
• Fix for persistent state split-part output formatting.
• Switch to clang-format-22 for linting.

This is planned legacy cleanup. For an ordinary user, nothing changes visibly. For smart-contract developers, TVM v14 matters — watch the final changelog and decide whether gas estimates need to be revisited. For validators, this is a working iteration; rolling out to production should wait for the stable tag.

In parallel with TON Core, the team shipped Tolk 1.4.1 — a minor update to the smart-contract language replacing FunC. Full TON network upgrade roadmap — in our Q2-Q3 2026 roadmap piece.

DeFi picture: Tonstakers holds, DEXes squeezed

Snapshot from DeFiLlama on the morning of May 26:

What this tells us:

1. Tonstakers keeps dominating. 171M dollars TVL — more than half of all assets in TON DeFi. The weekly gain is modest (+0.9%), but in a neutral market, stability is itself a strong signal.
2. DEXes are squeezed across the board. STON.fi (−1.7%), DeDust (−4.6%), TONCO (−18.3%), Bridgers (−23.7%) — all four DEXes are red. TONCO’s loss is the largest: from 5.6 to 4.6 million dollars in a week; either LP exits or pool-asset price declines. For a primer on the STON.fi vs DeDust split, see our DEX comparison.
3. Lending is stagnant. EVAA −0.2%, Affluent −3.7%. No catastrophes, but no inflows either.
4. NEAR Intents sits at number two — formally a cross-chain bridge between NEAR and TON, but DeFiLlama counts it in TON data. A 21% weekly gain suggests cross-chain liquidity is coming into the ecosystem.

What to do as a user

• Update Tonkeeper to 4.7.0 stable — especially if you use signData in any dApp.
• Update MyTonWallet to 4.9.6 — standard hygiene.
• Validators — hold off on rolling TON Core v2026.05-rc into production; wait for the stable tag.
• DeFi watchers — look at TONCO: this is either the start of structural outflows or a DCA point if fundamentals haven’t moved. To separate APR from real yield, see our APR vs real yield piece.
• Developers — track the v2026.05 final tag and TVM v14 changelog: gas estimates may need a revisit, or contracts may need tweaks for the new opcodes.

Next digest — in a week, if there’s something to discuss. Summer in the TON roadmap brings a batch of network upgrades: see the TON roadmap Q2-Q3 2026 piece.