Automated source code refactoring. Expert recipes for framework migrations, CVE patches, etc. Maintained by @moderneinc GitHub: github.com/openrewrite
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Upgraded to Maven 3.10.0 and an untouched pom.xml now fails? 😅 Duplicate dependency and plugin declarations used to warn. Now they stop the build. 🛑
@TimteBeek's new OpenRewrite recipe fixes them in every repo:
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Last chance! 🚨 Meet up with engineers from Meta, Spotify, and Uber at Morgan Stanley's Canary Wharf office on 6 Oct. to talk about what it actually takes to run AI agents against decades-old codebases.
🎟️Registration closes today. Save your seat: buff.ly/gTjgMd6
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🔔 Last call: the call for speakers for AI Software Factory Summit 2027 closes tonight at 11:59 PM ET.
📅 Feb 22-24, 2027
📍 Margaritaville Hollywood Beach Resort
⌛ Submit before midnight:
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Manually making the same change across 200 repos? No thanks. 🙅
Our free Intro to OpenRewrite course shows you the alternative: one recipe, every repo.
Newbie-friendly. Start the course → buff.ly/AqF8DX6
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On Sep. 17, join us at Snowflake HQ in Bellevue for an afternoon of talks and an open panel with leaders from Meta, Uber, Snowflake, and Moderne, where they'll walk through what they've actually built.
Save your seat ⤵️
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The Introduction to OpenRewrite training course walks you through setting up and running recipes with the Moderne CLI, composing custom transformations, and analyzing your codebase with data tables and visualizations.
Start the course → buff.ly/N5QMfAj
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(2/2) On August 26, we're running one recipe live, from unknown CVE exposure to zero, across an entire codebase.🛡️
Closing the AI Remediation Gap: Find Once, Fix Everywhere
2:00 PM EDT / 11:00 AM PDT
Save your seat ⤵️
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(1/2) 45% of AI-generated code ships with a security vulnerability.😳 For Java, that number climbs to 72% across more than 100 models tested.
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If you own the pipeline, the review policy, or the AI rollout at a bank, block your calendar for this. 📌🗓️
Register for the session → buff.ly/GSFtcPh
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This Friday, August 14, Dov Katz and Khalid Elswaf join Code Remix Summer to show how Morgan Stanley kept code review from becoming the bottleneck on its AI rollout. 🎢
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Our Introduction to OpenRewrite is now available on demand!🎉
Go through setting up and running recipes with the Moderne CLI, composing custom transformations, and analyzing your codebase with data tables and visualizations.
Start the course → buff.ly/GtAfzPn
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Join us in Plano, TX, Aug. 20 for an exclusive, in-person event for engineering leaders on how AI is changing the way enterprises maintain, remediate, and modernize massive codebases.
Plus a live panel with engineering leaders from Meta, Spotify, and Netflix.
Save your spot.
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Application security is being rebuilt around AI, and this panel from Code Remix Summit explores what that rebuild looks like in practice.🛡️
Catch the replay → buff.ly/zZSJz2P
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Next on Code Remix Summer: Cory Lucas from Amex shares why AI-assisted code doesn't always mean faster shipping.🐢
He'll cover testing through automation, smaller/frequent changes to cut risk, and modern branching for faster, safer delivery.
Save your spot for the July 24 session: buff.ly/SyPvnee
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Join us this Friday, July 17, as Harald Aamot from SAP shares his experience in transforming developer pain into impact through the establishment of large-scale refactoring at SAP. ⏯️
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Code Remix Summit 2027: Call for sessions is open!
Deadline is September 30. If you've deployed code to solve a hard, real-world problem, we want the talk. If it runs in production, we're interested.
➡️ Submit your session: buff.ly/cvUMCLq
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Coming up next on Code Remix Summer: Join Ryan Trontz from Tinder tomorrow, June 26, for Building The Upgrade Muscle with OpenRewrite at Tinder.😎🔥
Learn how to build an upgrade strategy that developers actually want to commit to. 💌
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Next Code Remix Weekly: Devin Thomson and Ryan Trontz share how Tinder built its “upgrade muscle” through repeatable, increasingly automated platform initiatives, and how #OpenRewrite helped make that possible.
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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Tomorrow on Code Remix Summer, Kiran Rouzie and Rachel Laycock from Thoughtworks dig into the human side of AI adoption. Stick around for live Q&A. One registration covers every session; each entry is a shot at a BrüTank 55-Quart Rolling Cooler. 😎
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Today on Code Remix Weekly: Oleg Šelajev (@shelajev) experiments with Sandbox Kits, working toward one command that drops an agent into a Moderne-aware Docker sandbox: mod CLI, recipe-aware memory, MODERNE_TOKEN the agent never sees.
🔴 Watch live at 21:00 CET / 3 PM ET
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70 CVEs dropped the week Spring Boot 4.1 launched. The cadence is accelerating. ⏩
Our hands-on training walked through how to get ahead of it. ✅
Watch the recording buff.ly/GPXJH0d
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Two expert-led trainings are happening this week! Be sure to save your spot.
📌Tuesday, June 9, 10 AM ET | Advanced OpenRewrite Training
Sign up: buff.ly/4RsBqrk
📌Thursday, June 11, 10 AM ET | Spring Boot 4.1 at Scale
Sign up: buff.ly/ZkjD8UO
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Today on Code Remix Weekly, Moderne product designers Annie and Jayd join the stream to show how AI prototyping tools are compressing the gap between design and code, and what that means for how engineering teams work now. 🎙️🎨
🔴 Watch live at 21:00 CET / 3 PM ET
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On the next Code Remix Weekly, Spring developer advocate DaShaun Carter returns to break down what's new in Spring Boot 4.1.
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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OpenRewrite now has a Kotlin DSL for recipe authoring. Declare a before/after pattern, get a generated recipe at compile time.
No annotations, no template class, no reflection.
Migration, performance fusions, and Android deprecation patterns all ship on day one.
Full breakdown: buff.ly/YRbcnod
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Today on Code Remix Weekly, Andrew Stakhov from the Moderne team shares a live walkthrough of C# support in the Moderne platform, with nearly 700 ready-to-run recipes for .NET migration, code quality, and test framework modernization.
🔴 Watch live at 21:00 CET / 3 PM ET
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Modernization without risk sounds like a myth.
Tim te Beek is here to prove otherwise. Catch his session today at @DevoxxUK: "Deterministic modernization in an age of AI" for a practical, real-world approach you can actually use.
Room A | 14:40–15:30
Details: buff.ly/ltPT24U
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Your CI shouldn't run 50-min test suites on every commit.
Tomorrow on Code Remix Weekly, Sam Snyder is building an LST-based test selection engine that runs only the tests your changes actually touch.
🔴 Tune in at 21:00 CET / 3 PM ET on Code Remix Weekly
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CVE-2026-22732: a 9.1 critical vulnerability in Spring Security that silently drops your security headers. No error. No log. Just gone.
We had detection + remediation running in under a day—whole-perimeter coverage.
This is what zero-day defense looks like. 🛡️
Here's how: buff.ly/jOo4I25
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Today on Code Remix Weekly: Unlock insights from your project’s LST graph.
@JTama_ joins to show how he tweaked recipes to count method calls and built a scanning recipe to apply it.
🔴 Watch live at 21:00 CET / 3 PM ET on Code Remix Weekly
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AI agents are only as good as the tools they run on.
Join leaders from Meta, Google, Gradle, and Moderne break down what actually makes agentic engineering work at scale.
Free. Limited seats.
📅 May 20 | 2:00 PM CEST
📍 München
Details: buff.ly/A93WTno
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Next on Code Remix Weekly, Bryan Friedman from Moderne is showing why grep and IDE features fall short when you're working across large, decentralized codebases.
The solution?💡
Semantic code search powered by Moderne's Lossless Semantic Tree (LST).
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET.
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Tomorrow on Code Remix Weekly, we’re digging into how to get LLM agents to produce better code by having them take recipe-produced code-quality metrics into account. ✅
🔴 Tune in at 21:00 CET / 3 PM ET to learn how better inputs lead to better code. ⤵️
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Tomorrow on Code Remix Weekly, Kito Mann joins the stream to share how to bring legacy Java systems into the modern era: improving security, performance, cloud readiness, and developer experience using OpenRewrite and AI.✨
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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Tomorrow is the last day for Code Remix Summit early bird pricing!🚨
Just 38 days until we are back on the beach. 📆
Speakers from Uber, Netflix, Google, Spotify, Airbnb, LinkedIn, Meta, and more.
Grab your ticket before tomorrow! 🎟️
coderemix.ai/
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Today on Code Remix Weekly, hear how Choice Hotels proved enterprise Java upgrades can be faster, safer, and strategically transformative. ✨
🔴 Watch live at 20:00 CET / 3 PM ET
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Automated the change, now buried in open PRs? That’s where automation stalls.🦥
Tomorrow, March 18, engineering leaders from Airbnb, LinkedIn, Netflix & Moderne share how they handle automated changes at scale.
Save your spot ➡️ buff.ly/WEVGghI
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Automated the change, now buried in open PRs? That’s where automation stalls.🦥
On March 18, engineering leaders from Airbnb, LinkedIn, Netflix & Moderne share how they handle automated changes at scale.
Save your spot ➡️ buff.ly/LVRq0I4
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Tomorrow on Code Remix Weekly, guest hosts Kevin and Bryan from Moderne demo Prethink — the structured knowledge layer built to give AI agents the architectural understanding they’ve been missing. 🧠
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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The "Break your testing habits" series continues tomorrow on Code Remix Weekly. 📚
In part 2, level up your Junit skills, including upgrading smoothly, applying modern best practices, and exploring powerful newer features in JUnit 5.14 and 6.
🔴 Watch live tomorrow ⤵️
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Tune into Code Remix Weekly today for part 1 of the Break Your Testing Habits series! 🧪
Understand outdated testing patterns, uncover common bad habits, and explore better alternatives.
🔴 Watch live at 21:00 CET / 3 PM ET
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New from Gartner: AI tools are accelerating legacy modernization...and the impact is bigger than most leaders expect. 👀
Bottom line? Modernization isn’t just about tools; It’s about designing a smart, human-in-the-loop AI strategy that scales.
Get the report ⤵️
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Code Remix Summit is back, May 11-13, with an absolutely STACKED lineup. 🔥
Learn directly from engineering leaders at Meta, Netflix, Morgan Stanley, Squarespace, Tinder, Google, Uber, Thoughtworks, and more!
⏰ Super early-bird pricing ends Feb. 16! Don’t miss your chance to grab a spot at the best rate.
coderemix.ai
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On the next Code Remix Weekly, @MBoegie joins the stream to show how Java 21+ virtual threads let you scale from thousands to millions of concurrent tasks. 🧵
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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The Code Remix Summit 2026 lineup is absolutely STACKED!🔥
Join world-class engineers and technology leaders from some of the most innovative companies in the world on the beach in sunny Florida, May 11-13. 🌴☀️
🚨 Super early bird tickets are live for a limited time!
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On the next episode of Code Remix Weekly, Sam Snyder will show how Claude Skills can be used to write, run, and analyze #OpenRewrite recipes more effectively while reducing prompt overhead and improving reliability. 🤖
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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CI migrations slowing you down? 🐌
Join us on Feb. 20 for a live webinar all about making CI updates (like swapping vendors & modernizing pipelines) faster, easier, and less painful! 📈
Save your spot: buff.ly/UBovhyU
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Code modernization is changing fast with AI.
According to Gartner (@Gartner_inc), AI-augmented tools will power 90% of modernization efforts by 2029 (up from 15% today) with 50% labor cost savings and faster time-to-value. ⏩
Get the full report. ⤵️
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😩 Still arguing over tabs vs spaces?
This week on Code Remix Weekly, Jente Sondervorst (Moderne) shows how autoformatters + smart styling can clean up your workflow, cut review noise, and help you ship faster.
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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On the next Code Remix Weekly, learn how multi-repo semantic code search helps teams understand impact, dependencies, and risk before they ship.📦
🔴 Tune in tomorrow at 21:00 CET / 3 PM ET
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Join us for a practical, hands-on training to prep your codebase for your next Spring Boot migration.🥾
We’ll show you a staged, workflow-driven approach used by modern platform and application teams.💡
Sign up: buff.ly/ikDYzRL
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Tune into Code Remix Weekly today! Build cleaner, more maintainable systems by removing what no longer serves you.
🔴 Watch live at 21:00 CET / 3 PM ET
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Last chance to vote in the 2025 DevOps Dozen Awards!🏆
We’re finalists in 3 categories, and we’d love your support!
🔒 Moderne / Best DevSecOps Solution
💡 OpenRewrite / Most Innovative Open Source Project
🤖 Moddy / Best Application of Generative AI
Vote by tomorrow, Dec. 31 ✅
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Join us for the last Code Remix Weekly of 2025!🎉
On this episode, Kiel and Matt from Moderne will break down the strategies successful organizations use to implement and adopt large-scale code changes.🔦
Watch live tomorrow at 21:00 CET / 3 PM ET.
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