3.20.0 (2026-02-07) Features add Roo Code skills integration (export & run) (#543) (913eba0) Improvements add persistent memory setting to SubAgent and SubAgentFlow nodes (#541) (b48acd7) add Roo Code skills detection and documentation (#545) (5db6252) simplify Skill node description in exported MD files (#547) (3fc1f6c)