Deep Dive
1. AMM v4 OpenBook Dependency Removal (22 July 2026)
Overview: This update removed the final remnants of OpenBook (formerly Serum) code from Raydium's legacy AMM v4 program. For everyday users, this means the protocol's core trading engine is now fully self-contained and no longer relies on external, potentially outdated, order book infrastructure.
This was the last step in a multi-phase cleanup to sever ties with the original Serum DEX, which was a foundational but now obsolete component. By removing these dependencies, Raydium reduces potential attack surfaces and streamlines future development. The change is backward compatible, so existing liquidity pools continue to function without requiring user action.
What this means: This is bullish for RAY because it strengthens the protocol's long-term security and makes it easier for developers to build new features without being held back by old code. It signals a mature, forward-looking engineering effort focused on robustness.
(Raydium Docs)
2. Stable AMM OpenBook Code Removal (22 June 2026)
Overview: Prior to the main AMM v4 cleanup, Raydium removed OpenBook dependencies from its stable AMM program. This specifically improved the infrastructure for stablecoin trading pairs, making them more secure and efficient.
Stablecoin pools are critical for low-slippage swaps. By purging legacy code, the team reduces technical debt and the risk of bugs in these important financial primitives. This upgrade was also implemented without disrupting existing liquidity.
What this means: This is bullish for RAY because it directly enhances the safety and reliability of trading stablecoins, which are a cornerstone of DeFi activity. A more secure and maintainable codebase builds greater trust with both traders and developers.
(Raydium Docs)
3. CLMM Program Upgrade with New Features (18 May 2026)
Overview: This major upgrade to the Concentrated Liquidity Market Maker (CLMM) program introduced three opt-in features designed to improve capital efficiency and trader experience.
The new features include in-pool limit orders (allowing more precise trade execution), dynamic fees (which adjust based on pool volatility), and single-sided fee collection (letting liquidity providers earn fees from one token in a pair). These are advanced tools that give professional traders and liquidity providers more control and potential for higher returns.
What this means: This is bullish for RAY because it makes providing liquidity more attractive and could draw more trading volume to the protocol. Higher volume typically leads to more fee revenue, which can benefit RAY stakers and increase the token's utility.
(TradingView News)
4. Initial Public Documentation Release (26 April 2026)
Overview: Raydium formally launched its first complete set of public documentation, verified against the live protocol and SDK version 0.2.42-alpha. This created an official, transparent resource for developers and users.
Before this, information was scattered. This release established a single source of truth and a changelog system to track all future updates, audits, and protocol changes systematically. It marks a commitment to professional-grade developer relations and open-source practices.
What this means: This is neutral to bullish for RAY because it doesn't change the product directly but significantly lowers the barrier for new developers to build on Raydium. Easier onboarding can lead to more ecosystem innovation and integration over time.
(Raydium Docs)
Conclusion
Raydium's recent codebase trajectory shows a clear shift toward architectural independence and sophisticated feature development, moving beyond its foundational dependencies. The sequential removal of legacy OpenBook code solidifies its security, while the CLMM upgrade directly enhances its competitive edge in liquidity provision. Will these technical improvements translate into sustained growth in protocol volume and developer activity in the latter half of 2026?