{ "title": "Enable the new signature checker", "description": "This implements a new signature checker that is both faster and stricter (checking even unused type signatures) and can be enabled by a verifier config option", "source_code_url": "https://github.com/aptos-foundation/mainnet-proposals/blob/main/sources/v1.4/enable_signature_checker", "discussion_url": "https://github.com/aptos-labs/aptos-core/pull/7856" }