Don't Trust, Verify.
External links are unofficial community submissions.
Highlights from Ethereum Classic Labs Keynote and Accelerator Updates
ETC Labs, Ethereum Classic Labs
PSA- ETC Core Dev Call - Confirm New Consensus for Aztlán Network Upgrade ECIP-1061
Classic Is Coming
Ethereum Classic Core Devs Meeting - Changing the mining algorithm [2019-11-21]
Ethereum Classic Core