Taiko announced on X that the team is working on upgrading the Taiko-based rollup protocol to version 1.9.0, preparing for Ontake, the first fork of the Taiko BCR protocol. Ontake brings the following features to the Taiko L2:

• Enhanced L2 EIP-1559: Base fees are adjustable on L1, and eventually all relevant parameters will be managed by the L1 DAO.
• Preliminary Support for Transaction Re-confirmation: Block proposers can deterministically build multiple blocks without having to submit the old blocks to L1 first.
• Batch Support: Blocks can be proposed and proven as a batch, opening the door for proof aggregation, further reducing gas costs.
• Contract Proposer's Calldata: Proposers can use Calldata without signature verification. This means proposers can be contracts or EOA when using Calldata for data availability.