Lean 4.29.0 released with 453 changes.
Highlights: reduced startup time through static initialization of closed terms, simpler 𝚗𝚘𝚗𝚌𝚘𝚖𝚙𝚞𝚝𝚊𝚋𝚕𝚎 semantics improving predictability, higher-order Miller pattern support in 𝚐𝚛𝚒𝚗𝚍's e-matching engine, and a significant overhaul to instance and reducibility handling.
Full release notes: https://lean-lang.org/doc/reference/latest/releases/v4.29.0/
