Changelog
Changelog
Updates to BaseHub and notable Base network and protocol changes, newest first.
This feed is also available as raw Markdown at /changelog.md
and JSON at /changelog.json.
2026
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Snapshot FAQ: Full vs Minimal, and migrating a pruned v1 node
Dropped the stale 31-day retention claim for the Full snapshot and pointed to Reth's storage docs instead. Added guidance for operators moving a pruned v1-storage node onto v2.
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Vibenet faucet and explorer move to chain.base.org
Base's Vibenet preview network now serves its landing page, faucet, and block explorer under chain.base.org/vibenet. The RPC endpoint at rpc.vibes.base.org is unchanged.
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Mainnet safe head delayed on July 28
Base Mainnet's safe head lagged for about two hours on July 28. Unsafe block production was unaffected; only the batching of L2 data to Ethereum L1 was delayed. Resolved at 15:13 UTC.
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Transaction event journal gains segment rotation
The transaction-event/v1 journal config adds max_file_bytes and max_files, capping the size of the active JSONL segment and the number of segments retained on disk.
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Added Native Account Abstraction
New architecture page.
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Native Account Abstraction announced (EIP-8130)
Base, with Optimism, Coinbase, and WalletConnect, is moving account abstraction into the protocol via EIP-8130, cutting a USDC transfer from 125,000 to 46,000 gas and adding native batching, sponsorship, and session keys. Ships in the Cobalt upgrade in September 2026.
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Added Bridging and Withdrawals
New network page.
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Added June 2026 Block Production Outage
New architecture page.
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Added Throughput and Limits
New network page.
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Postmortem: June 25 block production outage
Two mainnet block-production halts on June 25 and 26 traced to a sequencer bug that left the EVM journal state dirty, mischarging gas on a following transaction. Patched in base/base PR #3806.
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Added Transaction Event Journal
New specification page.
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Base Beryl upgrade reaches mainnet June 25
Beryl, Base's second network upgrade, adds the B20 native token standard, shortens the withdrawal delay, and raises throughput with Reth V2.
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Added Jovian L2 Execution Engine
New specification page.
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Added B20 Native Token Standard
New specification page.
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Added Beryl Upgrade Overview
New specification page.
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Added Reth V2
New specification page.
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Added Glossary
New specification page.
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Added Azul Execution Engine
New specification page.
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Added Isthmus L2 Execution Engine
New specification page.
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Added Protocol Overview
New architecture page.
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Added Configuration
New specification page.
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Added Rollup node RPC
New API reference page.
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Added Azul Node Upgrade Guide
New node operations page.
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Added Azul Proof System
New specification page.
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Added Proof Contracts
New specification page.
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Added TEE Prover
New specification page.
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Added ZK Prover
New specification page.
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Added Challenger
New specification page.
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Added Network Incident History
New network page.
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Added Proof System Overview
New specification page.
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Added Proposer
New specification page.
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Added Engineering Blog Index
New architecture page.
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Added Multiproofs on Base
New architecture page.
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Multiproofs live on Base mainnet
Base shipped its multiproof system pairing TEE and ZK provers, the technical bar for Stage 2 decentralization, also speeding withdrawals by removing the optimistic challenge window.
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Added Azul Upgrade Overview
New specification page.
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Added TEE Prover Registrar
New specification page.
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Launched BaseHub
Initial public release — 177 documentation pages mirroring Base as agent-readable Markdown, with every page reachable by appending .md to its URL.