HIPs in this category include proposals addressing the Hashgraph algorithm, peer-to-peer networking, etc. These types of features are implemented on Hedera consensus nodes.

Accepted

NumberTitleAuthorNeeds Council Approval Release
657 Mutable metadata fields for dynamic NFTs Patches Punks Yes
679 Bucket restructuring for changing stream data folder structure Mugdha Goel Yes
721 Add Software Version to Events Edward Wertz, Nick Poorman Yes

Final

NumberTitleAuthorNeeds Council Approval Release
25 On-disk Virtual Merkle Tree Richard Bair, Jasper Potts Yes
406 Staking Leemon Baird Yes v0.27.0
410 Wrapping Ethereum Transaction Bytes in a Hedera Transaction Danno Ferrin Yes v0.26.0
415 Introduction Of Blocks Daniel Ivanov, Ivan Kavaldzhiev, Steven Sheehy Yes v0.26.0

Rejected

NumberTitleAuthorNeeds Council Approval Release
690 Identify Community Nodes in Address Book and Related API Kim Rader Yes