According to @ItsDave_ADA, a new high-performance smart contract language named Pebble has debuted for Cardano and was created by @MicheleHarmonic on Nov 17, 2025, source: Dave on X. A public Pebble repository is listed under HarmonicLabs, allowing developers to review and test the codebase, source: HarmonicLabs GitHub. The project also maintains an official @pebble_lang account sharing updates, offering a channel for roadmap and release communications, source: @pebble_lang on X. For traders, near-term watch items include repository activity and any testnet or mainnet deployment announcements from these channels as proxies for developer adoption within the Cardano (ADA) ecosystem, source: HarmonicLabs GitHub and @pebble_lang on X.