
IOTA Protocol Weekly - Apr 28, 2026
Apr 28, 2026: IOTA Protocol v1.22.0-beta introduces protocol version 25, removes zkLogin, updates JSON-RPC, GraphQL, CLI, and gRPC.
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Apr 28, 2026: IOTA Protocol v1.22.0-beta introduces protocol version 25, removes zkLogin, updates JSON-RPC, GraphQL, CLI, and gRPC.

Apr 21, 2026: Protocol v24 ships on testnet with Starfish consensus, REST API removal, and new gRPC metrics.

Apr 14, 2026: Testnet update introduces protocol version 24, Starfish consensus, and major changes to Indexer and REST API.

Apr 7, 2026: Testnet v1.20.0-rc introduces Protocol v23, gRPC migration, and new indexer features. REST API deprecated in v1.21.

Mar 17, 2026: Testnet beta v1.19.0 introduces protocol v22 with congestion limit overshoot, Move-based auth, and faster recovery mechanisms.

Mar 10, 2026: Protocol v21 on testnet introduces congestion limit overshoot, fast commit syncer, and updates to CLI, Rust SDK, and node features.

Mar 3, 2026: Protocol v21 (beta) on testnet introduces congestion overshoot, fast commit syncer, and Rust SDK changes.

Feb 24, 2026: Protocol v20 testnet release introduces dynamic minimum commission (IIP-8), validator score decoupling, and epoch indexing.

Feb 17, 2026: Devnet v1.17.1-beta introduces protocol v20, Dynamic Minimum Commission (IIP-8), validator APY updates, and CLI enhancements.

Feb 10, 2026: Testnet release v1.16.2-rc introduces protocol v19 with ChangeEpochV4, Starfish consensus, and scoring-based rewards.