# What's New

New updates and improvements to MatterAI

Jul 20, 2025

- 🧠 **Bug Fixes**  
  - AI summaries undefined error due to LLM output parsing issue  
  - Summaries generated for new commits now accounts correctly for the complete PRs, some commits were missed earlier.  
  - Consecutive commits reviews model selection fix  
- 🔍 **Features**  
  - Comment reviews as Resolved: On new commits, if previously reviewed issues are resolved, MatterAI comments on them as ✅ Resolved along with a resolution reason.

Jun 30, 2025

- 🧠 **Bug Fixes**  
  - Fix Mermaid diagram generation, at times the graph generated was incorrectly formatted causing rendering issues on Github  
  - Updates to AI Code Review Engine to reduces hallucinations further  
  - Fix in AI chats failing to read the context of the PR  
- 🔍 **Features**  
  - AST Grep search for codebase to find function usage patterns and declarations for implementation validations in the PRs. Shoutout to [https://github.com/ast-grep/ast-grep](https://github.com/ast-grep/ast-grep) for the tool! Read more here: [https://docs.matterai.so/features/similarity-search#how-it-works](https://docs.matterai.so/features/similarity-search#how-it-works)  
  - Slack Alerts for merge PRs for code quality and security vulnerabilities thresholds

May 20, 2025

- 🧠 **Advanced Detail Summary**  
  - Better context understanding  
  - Splitting into different sections  
  - Tables for package vulnerabilities, CVE and explanations

May 13, 2025

- ✅ **Highly accurate code suggestions**  
  Deterministic commit positioning ensures precise feedback where you need it.  
- 🔍 **Smarter review intelligence**  
  No more duplicate reviews! The engine now avoids re-analyzing unchanged code.  
- 💰 **Cost optimizations**  
  Auto-model swapping selects the best AI for each use-case, balancing performance and efficiency.  
- 🛠️ **Updated commands**  
  - `/matter review` → Reviews only new commits (faster & leaner).  
  - `/matter review-full` → Triggers a full re-review when needed.

These upgrades mean faster, sharper, and more efficient reviews—try it out and let us know what you think!

May 6, 2025

- 🧠 **Code-Aware Conversations**  
  - Parses PR diffs, file context, and repo structure for relevant answers  
  - Explains implementation decisions with technical precision  
  - Identifies potential side effects and integration points  
- 🔍 **Advanced Query Processing**  
  - Full PR context including diffs, comments, and CI results  
  - Use `/matter` commands with automatic context inclusion  
  - Responses tailored to engineering terminology

Apr 28, 2025

- 🧠 **Learning & Adaptation**  
  - Observes developer interactions to capture team preferences  
  - Identifies recurring patterns in code reviews and discussions  
  - Builds deeper understanding of your codebase and context  
- 🔄 **Continuous Improvement**  
  - Incorporates explicit and implicit developer feedback  
  - Refines review approach based on team interactions  
  - Becomes increasingly aligned with team-specific needs

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