New Testnet release test-6.1.2, with a fix to a logging issue: https://github.com/bitshares/bitshares-core/releases/tag/test-6.1.2
All Testnet nodes are recommended to upgrade, although not required.
Docker image: docker pull bitshares/bitshares-core:test-6.1
(note: bitshares/bitshares-core:test-6.1.2 is also available if you want to pin to a specific patch version).
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From @bitsharesgroup