Screenshot of the Network Copier DevTools panel showing an OData request payload and response body.

Network Request & Response Copier: An OData-Friendly DevTools Request Viewer

AI assistants already help a lot, but they work best when you can give them good context. In web apps, the most important context is usually the real traffic between frontend and backend: request URLs, payloads, and responses. When debugging, I want to copy that information quickly and completely. And since I mostly work with UI5 and OData, I usually need the full URL plus request and response body. In Chrome DevTools that often means a lot of manuall copy pasting, and if you need more than one request, it gets annoying fast. ...

February 5, 2026 · Marian Zeis
UI5 Lib Diff comparison screenshot

Distributed Microservices with GitHub Pages and RSS Feeds

I was recently asked how my UI5 Versions Bot on Bluesky works. So I want to simply explain how it works and how I use an RSS feed as a small “microservice” so I can base other services on this data. How the ui5-lib-diff project works The ui5-lib-diff project pulls data from official UI5 sources (SAPUI5/OpenUI5) and turns it into structured change data. That data is then used to generate an RSS feed entry for each patch update in both SAPUI5 and OpenUI5. ...

January 19, 2026 · Marian Zeis

Welcome to My Blog

Hello World! 🚀 Welcome to my new blog! I’m excited to finally have a space where I can share my thoughts, experiences, and learnings from my journey as an Independent UI5/ABAP Developer. What to Expect On this blog, I’ll be writing about: UI5 Development - Tips, tricks, and best practices for building modern SAP Fiori applications ABAP Programming - Backend development insights and patterns Open Source - Updates on my open source projects and contributions SAP Ecosystem - General thoughts about the SAP development landscape Developer Tools - Useful tools and workflows that make development easier Why a Blog? As developers, we learn so much every day - from solving tricky bugs to discovering new patterns and approaches. I’ve always found that writing things down helps me understand them better, and sharing knowledge with the community is something I’m passionate about. ...

December 27, 1999 · Marian Zeis