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BlockchainTron
Aug 21, 2026
2min read
bySamuel Edyme
forBlockchainReporter
TRON has issued a mandatory GreatVoyage v4.8.2 Pyrrho upgrade requiring node operators to update before 23:59 Singapore Time on Aug. 16 to avoid block sync failures; changes include TVM compatibility with Ethereum Pectra and Osaka (CLZ instruction and secp256r1 precompile), migration of the node JSON API from fastjson to Jackson, metrics moving from InfluxDB to Prometheus, and an Event Plugin 3.0.0 upgrade. The update strengthens EVM compatibility and developer portability across the crypto ecosystem—benefitting DeFi projects, DEX/CEX integrations, wallets, exchanges and indexers and supporting TRON’s large USDT activity—while the mandatory timing creates operational risk for services that miss the deadline.
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TRON has released GreatVoyage v4.8.2, codenamed Pyrrho, as a mandatory network upgrade, requiring node operators to update before 23:59 Singapore Time on Aug. 16 to avoid affecting block synchronization. The release was detailed in a TRON developer announcement that lists the upgrade’s core changes.
Mandatory upgrades in the GreatVoyage series are a regular part of operating the TRON network, and missing the deadline can cause a node to fall out of sync with the chain, with knock-on effects for the services that depend on it.
Ethereum compatibility at the virtual-machine level
The headline change is TVM compatibility with Ethereum’s Pectra and Osaka upgrades, which adds the CLZ instruction and a secp256r1 signature-verification precompile, among other changes. The goal is to keep TRON’s virtual machine aligned with Ethereum tooling so that developers can port and run familiar smart-contract workloads.
For developers, the alignment reduces the work of porting applications and keeps TRON’s tooling within reach of the wider EVM ecosystem. The compatibility work matters for the network’s developer base because it lowers the friction of building across networks and broadens the range of code that can run on the chain.
Infrastructure and tooling changes
Beyond the virtual machine, the release migrates the node’s JSON API from the fastjson library to Jackson, moves monitoring metrics from InfluxDB to Prometheus, and upgrades the TRON Event Plugin to version 3.0.0. Operators using the Event Plugin were instructed to upgrade the plugin before upgrading the node itself.
These changes are aimed at modernizing the tooling around the network rather than altering consensus rules, but they still require operators to plan the upgrade carefully to avoid service disruptions.
Why the timing matters
TRON hosts a large share of stablecoin activity, including a substantial portion of USDT supply, so its upgrades carry outsize operational weight for the wallets, exchanges and indexers that depend on the network. Aligning the TVM with Ethereum’s latest upgrades positions the network to keep pace with the broader EVM ecosystem while giving developers a clearer path for cross-chain compatibility. It also signals that TRON intends to keep its smart-contract environment broadly aligned with Ethereum as both networks continue to evolve.
Source: cryptorank.io