Conflux (CFX) announces v3.1.1 testnet upgrade to fix node issues

Conflux (CFX) has announced a v3.1.1 testnet upgrade on Oct. 22, 2026, saying the release is aimed at fixing several node stability and RPC issues that could affect operators. The forum post says the update addresses possible node panics, excessive memory usage, a concurrent trace-query deadlock and other bugs, while recommending that node operators upgrade. In the announcement published on Oct. 22, 2026, Conflux said the v3.1.1-testnet release fixes several possible node panics and excessive memory usage, a possible execution deadlock during concurrent trace queries, incorrect peer reputation updates during simultaneous connections and missing block-body checks during catch-up synchronization. It also says the update corrects eth_createAccessList returning empty or incorrect access lists and fixes a panic when tracing the genesis block.

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