Merge pull request #684 from input-output-hk/MK-8150-neil-burgess-upd…

…ate-chang

Update 07-chang.mdx

docs/about-cardano/05-evolution/04-upgrades/07-chang.mdx

@@ -3,10 +3,12 @@ title: Chang
 metaTitle: Chang - on-chain participatory governance
 ---
 
-The Chang upgrade ushered in the Conway ledger era, a deeply transformative advancement for Cardano's governance, where any ada holder can submit or participate in the voting process for governance actions. The upgrade is happening in two stages, Chang #1 and Chang #2.
+The Chang upgrade ushered in the Conway ledger era, a deeply transformative advancement for Cardano's governance, where any ada holder can submit or participate in the voting process for governance actions. The upgrade is happening in two stages, Chang #1 and Chang #2, now known as the Plomin hard fork.
 
 Conway, named after the eminent mathematician [John Horton Conway](https://en.wikipedia.org/wiki/John_Horton_Conway), builds upon previous phases, emphasizing decentralized decision-making and enhanced smart contract functionalities.
 
+ In November 2024, following the sudden passing of Matthew Plomin, the hard fork working group recommended to rename the second upgrade after him. As a founding partner of the USDM Stablecoin, Matt was instrumental in the construction and regulatory compliance of groundbreaking financial technologies. The renaming has been widely affirmed by the community in a following governance info action. 
+
 ## What does Chang enable?
 
 :::info
@@ -53,11 +55,17 @@ An [interim constitution](https://docs.intersectmbo.org/cardano/cardano-governan
 
 During the interim period, only SPOs and the interim constitutional committee can vote on governance actions, including possible protocol parameter changes. As an exception, DReps can participate in 'Info' actions at this stage.
 
-The goal of the first stage is to ensure security and continuity during the governance bootstrapping phase, allowing DReps to register and campaign for delegation, while developing and ratifying a final constitution by early 2025.
+The goal of the first stage is to ensure security and continuity during the governance bootstrapping phase, allowing DReps to register and campaign for delegation, while developing and ratifying a final constitution.
 
 **The second stage/on-chain decision making**  
 
-The second stage, which emphasizes decentralized governance, will be initiated by the community after the bootstrap period is complete. [Intersect](https://www.intersectmbo.org/) will oversee, establish, and help facilitate the community in self-government initiatives for the Cardano ecosystem. All governance entities, including DReps, SPOs, and the interim constitutional committee, can vote on governance actions during this stage. The conclusion of this stage will allow for treasury withdrawals.
+The second stage, which emphasizes decentralized governance, will be initiated by the community after the bootstrap period is complete. The governance action to approve this Plomin hard fork was submitted on chain at the end of epoch 529, December 20, 2025 at 21:44 UTC. [Intersect](https://www.intersectmbo.org/) will oversee, establish, and help facilitate the community in self-government initiatives for the Cardano ecosystem. All governance entities, including DReps, SPOs, and the interim constitutional committee, can vote on governance actions during this stage. The conclusion of this stage will allow for treasury withdrawals.
+
+**The Cardano constitution**
+
+The Cardano Constitutional Convention was held simultaneously in Buenos Aires - Argentina, and Nairobi - Kenya from December 4 to 6, 2024. After 63 workshops across 51 countries, participants came together to refine and strengthen the constitution. The draft constitution was agreed to by 95% of elected delegates. 
+
+The delegate-approved Cardano constitution is the foundational document that translates the community’s values and decisions into a clear set of principles, rules, and responsibilities. It defines the governance framework for the Cardano ecosystem, outlining stakeholders' roles and obligations, including DReps, SPOs, and others. This constitution guides Cardano toward becoming a sustainable platform for Web3 products and services.
 
 ## Start testing on SanchoNet
 
@@ -75,4 +83,4 @@ SanchoNet is more than just a testnet, it is a playground of opportunities. With
 
 ## Chang readiness
 
-You can check [engineering and ecosystem readiness for the Chang upgrade here](https://docs.intersectmbo.org/cardano/cardano-upgrades/hard-forks/chang-timeline-and-dependencies/chang-upgrade-1-readiness).
+You can check [engineering and ecosystem readiness for the Plomin upgrade here](https://cardanoupgrades.docs.intersectmbo.org/plomin-upgrade/chang-upgrade-2-readiness).