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Blog
Your source for feature flags, data-driven decisions, product strategies, and more
William Sigsworth
Head of Organic Growth
at
Flagsmith
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Developer Productivity
The 7 Key Phases of the Software Development Lifecycle
William Sigsworth
July 21, 2026
What is the software development lifecycle? Learn the seven key phases, popular SDLC models, and how to optimize them for your team.
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Risk Reduction
How to Build a Software Rollback Strategy for Your Deployments
William Sigsworth
July 16, 2026
Learn how to build a software rollback strategy that combines feature flags, automated rollback, and database rollback to cut downtime.
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Risk Reduction
Server Side Testing: What It Is and How to Do It Right With Feature Flags
William Sigsworth
July 14, 2026
Server-side testing explained: how it works, how it compares to client-side testing, and how feature flags make it easier to run and control.
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Risk Reduction
Alpha vs. Beta Testing: What’s the Difference and When Should You Use Each?
William Sigsworth
July 13, 2026
Alpha vs. beta testing explained: the key differences between alpha testing and beta testing, when to run each, and how feature flags connect them.
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Risk Reduction
What Is Continuous Testing: The Ultimate Guide for Dev Teams
William Sigsworth
July 9, 2026
Learn what continuous testing is, how it fits into CI/CD and agile, and how feature flags help teams ship faster
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Release Strategies
Regression Testing: Your Safety Net Before Code Reaches Users
William Sigsworth
July 7, 2026
Learn what Regression testing is, how to automate it, and where feature flags fit in.
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Release Strategies
What Is a Software Release? The Ultimate Guide
William Sigsworth
July 6, 2026
This guide covers what a software release is, the main types, lifecycle stages, and how teams reduce release risk.
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Developer Productivity
DORA Metrics Explained: The Five Measures of Software Delivery Performance
William Sigsworth
July 1, 2026
What are DORA metrics? A clear breakdown of the five key measures of software delivery performance
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