Added

• Added gzip compression to requests to the feeder gateway when they exceed 1 kilobyte of size. #3505

Changed

• Updated Starknet execution libraries to their latest version. #3507

Fixed

• Fix an issue where Felt values returned in the RPC would be incorrectly serialize as [a, b, c, d] instead of the hexadecimal representation. #3504

Full Changelog: v0.15.20...v0.15.21