Merge pull request #2936 from zk-Lumi/master

update: arbos51 release doc audit report and date

Author: pete-vielhaber

docs/run-arbitrum-node/arbos-releases/arbos51.mdx

@@ -41,7 +41,7 @@ As a refresher, ArbOS upgrades get treated as Arbitrum's equivalent of a hard fo
 
 ### High-level description of ArbOS 51 changes
 
-ArbOS 51 Dia is an upgrade to support the relevant EVM changes that are a part of Ethereum's [Fusaka upgrade](https://ethereum.org/en/roadmap/fusaka/). Ethereum's mainnet upgrade to Fusaka is tentatively scheduled for [December 3, 2025 at epoch `411392`](https://notes.ethereum.org/@bbusa/fusaka-bpo-timeline). As a result, the majority of the ArbOS-specific changes revolve around implementing the relevant [Fusaka EIPs](https://eips.ethereum.org/EIPS/eip-7607) on <a data-quicklook-from="arbitrum-chains">Arbitrum Chains</a>.
+ArbOS 51 Dia is an upgrade to support the relevant EVM changes that are a part of Ethereum's [Fusaka upgrade](https://ethereum.org/en/roadmap/fusaka/). Ethereum's mainnet upgrade to Fusaka was completed on [December 3, 2025 at epoch `411392`](https://notes.ethereum.org/@bbusa/fusaka-bpo-timeline). As a result, the majority of the ArbOS-specific changes revolve around implementing the relevant [Fusaka EIPs](https://eips.ethereum.org/EIPS/eip-7607) on <a data-quicklook-from="arbitrum-chains">Arbitrum Chains</a>.
 
 Here's the list of all changes included in ArbOS 51 Dia:
 
@@ -145,8 +145,9 @@ While ArbOS 51 Dia will be compatible with both `nitro-contracts 3.1.X` and `nit
 - [Nitro v3.9.3](https://github.com/OffchainLabs/nitro/releases/tag/v3.9.3)
 - [nitro-contracts v3.1.1](https://github.com/OffchainLabs/nitro-contracts/releases/tag/v3.1.1)
 - [nitro-contracts v2.1.3](https://github.com/OffchainLabs/nitro-contracts/releases/tag/v2.1.3) (only relevant for Arbitrum chains that don't have BoLD enabled yet)
-- [AIP: ArbOS Version 50 Dia Forum Post](https://forum.arbitrum.foundation/t/constitutional-aip-arbos-version-50-dia/)
+- [On-chain vote to Activate ArbOS 51 (Dia) and Gas Pricing Updates](https://www.tally.xyz/gov/arbitrum/proposal/53154361738756237993090798888616593723057470462495169047773178676976253908001?govId=eip155:42161:0xf07DeD9dC292157749B6Fd268E37DF6EA38395B9)
 - [Temperature check vote on Snapshot for ArbOS 50 Dia](https://snapshot.box/#/s:arbitrumfoundation.eth/proposal/0x33754da4006d0ef38666ec5d5e85fd0966a891a594ab9dc21f23beedea2d330b)
-- [AIP: ArbOS Version 51 Raising the gas target & improvements to pricing algorithm Forum Post](https://forum.arbitrum.foundation/t/aip-raise-the-gas-target-implement-improvements-to-the-pricing-algorithm/30182)
-- [Temperature check vote on Snapshot for ArbOS 51 Raising the gas target & improvements to pricing algorithm](https://snapshot.box/#/s:arbitrumfoundation.eth/proposal/0x4a96a91d162975de0d402b83ca8b8a24e808ca357150120fc0d44ae0bf1cc4a5)
-- Coming Soon - ArbOS 50 & ArbOS 51 Audit Report, from Trail of Bits
+- [Temperature check vote on Snapshot for AIP: Raising the gas target & improvements to pricing algorithm](https://snapshot.box/#/s:arbitrumfoundation.eth/proposal/0x4a96a91d162975de0d402b83ca8b8a24e808ca357150120fc0d44ae0bf1cc4a5)
+- [AIP: ArbOS Version 50 Dia Forum Post](https://forum.arbitrum.foundation/t/constitutional-aip-arbos-version-50-dia/)
+- [AIP: Raising the gas target & improvements to pricing algorithm Forum Post](https://forum.arbitrum.foundation/t/aip-raise-the-gas-target-implement-improvements-to-the-pricing-algorithm/30182)
+- [ArbOS 50 & ArbOS 51 Audit Report, from Trail of Bits](https://github.com/trailofbits/publications/blob/master/reviews/2025-12-offchain-arbos50-and-51-securityreview.pdf)