# Changelog

## clmm - package version 11

1. **Fix and upgrade**
   1. Upgraded the integer-mate dependency package.
   2. Added emergency functions for pool restoration.
   3. New function added for refined pool status management
2. **Impact & Required Actions**

   All System
3. **Urgent Actions for All Dependent Protocols:**

   Migrate to **new contract interfaces**.

***

## clmm - package version 10

1. **New Features & Mandatory Requirements**
   1. **Flash loan features**
      1. a new methods allow user flash loan asset from clmm pool liquidity. [flash-loan](https://cetus-1.gitbook.io/cetus-developer-docs/developer/via-clmm-contract/features-available/flash-loan "mention")
   2. **New max rewards amount of pool** 
      1. extend max rewards amount from 3 to 5.
2. **New Flash Loan Interfaces**
   1. **Primary Method:** 
      1. pool.flash\_load(CLMM contract)
      2. pool.flash\_loan\_with\_partner(CLMM contract)
      3. pool.repay\_flash\_loan(CLMM contract)
      4. pool.repay\_flash\_loan\_with\_partner(CLMM contract)
3. **Key Mechanism Update**
   1. max rewards amount update to 5.
4. **Event System Upgrade**
   1. **New** `FlashLoanEvent`
      1. record user flash loan action.
5. **Impact & Required Actions**
   1. **Vault System**
6. **Urgent Actions for All Dependent Protocols:**
   1. Migrate to **new contract interfaces**.

***

## clmm - package version 9

1. **New Features & Mandatory Requirements**
   1. **Liquidity Initialization Rule**
      1. All newly created liquidity pools **must be initialized with liquidity** at the time of creation. [create-pool](https://cetus-1.gitbook.io/cetus-developer-docs/developer/via-clmm-contract/features-available/create-pool "mention")
2. **New Pool Creation Interfaces**
   1. **Primary Method:** `pool_creator.create_pool_v2` (CLMM contract)
   2. **Alternative Method:** `pool_creator_v2.create_pool_v2` (Integrate contract)
3. **Deprecated Functions**
   1. **Immediately Discontinued Methods:**
      1. `factory.create_pool_with_liquidity`
      2. `pool_creator.create_pool_v2_by_creation_cap`
   2. **Replacement:** Use `pool_creator.create_pool_v2_with_creation_cap` instead
4. **Key Mechanism Update – PoolCreationCap**
   1. **Governance & Control:**
      1. **Token issuers** gain control over pool creation by holding **TreasuryCap**.
   2. **Core Rules:**
      1. Only **one PoolCreationCap** can be minted per token.
      2. **Restricted pools** must register a **quote coin** and **tick spacing** (currently supports **SUI-200**).
5. **Event System Upgrade**
   1. **New `CollectRewardV2Event`**
      1. Introduces **a new reward type identifier**.
      2. Supports **precise tracking of liquidity mining rewards**.
6. **Impact & Required Actions**
   1. **Mandatory Upgrades for the Following Systems**
      1. **Vault System**
      2. **Stablecoin Liquidity Mining Module**
      3. **LP Burn Functionality**
7. **Urgent Actions for All Dependent Protocols:**
   1. Migrate to **new contract interfaces**.
   2. Adapt to **PoolCreationCap governance mechanism**.
   3. Update **reward event handling logic**.