Changed versioning (backport of Core's PR20223) Testnet hard fork: Removed transaction timestamp Testnet hard fork: Increased transaction fees and set minimum transaction fee of 0.001 BLK Testnet hard fork: Enabled relative timelocks (OP_CHECKSEQUENCEVERIFY, BIP62, 112 and 113) Enabled compact block relay protocol (BIP152) Added an option to donate a specified percentage of staking rewards to the dev fund (20% by default) Set default MAX_OP_RETURN_RELAY to 223 Removed sendfreetransactions argument Get rid of AA_EnableHighDpiScaling warning (backport of Core's PR16254) Updated multiple dependencies