⛑️Contract Upgrade History
September 2026 upgrade
The engineering team confirmed execution on Ethereum Mainnet, Arbitrum One and Filecoin on 24 September 2026 (UTC).
Source reference: Contracts PR #435, merged into develop on 24 September 2026.
Contracts PR #435 - view changes on GitHub
Merge commit: 68d29760d53891f8a4e89069b1de6831febea54b
Changes include revised order-book tree removal and rebalancing, chunk metadata, order-price and growth limits, batched Itayose, recovery tooling, and TokenVault safeguards. Inclusion of recovery tools does not mean recovery has been executed for every position.
Ethereum Mainnet
Ethereum: successful execution on 24 September 2026 at 22:47:59 UTC, block 26,050,390.
Arbitrum One
Arbitrum: successful execution on 24 September 2026 at 23:11:00 UTC, block 508,590,941.
Filecoin
Filecoin: both upgrade transactions were successfully executed through the multisig wallet.
These source and execution references are not an independent audit certificate. Integrators should check deployed implementations and corresponding ABIs. Earlier upgrades can be inspected via explorer Past Implementations views and controller upgrade events.
Filecoin oracle updates
Following the discontinuation of Pyth price oracle support on Filecoin, the Fixed-Rate Lending protocol migrated its FIL, iFIL and wpFIL price feeds to RedStone.
Lending price feeds
Fixed-Rate Lending: all three price-feed updates for FIL, iFIL and wpFIL were successfully executed through the multisig wallet (transactions 51, 52 and 53).
Last updated: 25 September 2026 (UTC).
Last updated