The old, legacy system probably works fine @TestDouble
The old, legacy system probably works fine  @TestDouble
Uploaded November 2025 | Updated September 2026, 2 weeks ago
During a discussion on legacy modernization, we talked about our more salty takes because there's usually a kernel of truth there. Staff Consultant James Walker's cheeky response is all about the truth that software problems are human problems.

If your team primarily has experience in greenfield new product development, they may just not be used to maintaining legacy systems. That could be a skills gap more than a tech gap.

This was part of a wider-ranging conversation on legacy modernization. Check out the playlist here for additional clips from the conversation, plus seminal Test Double legacy talks and helpful screencasts: youtube.com/playlist?list=PL-NoIr_UR3KX8X-ZSZ7OeKkx9Co3HhOce&si=orgumxvnNAh2miqr
The old, legacy system probably works fineBuilding an agentic product thats an inch wide and mile deepDomain expertise as the last moat in product developmentThe end of legacy code (RailsConf 2023)Why cycling tech is so fragmentedPlease mock meThe hidden FIT file data Strava doesn’t showThe fastest way to spot wonky AI outputsFrom age 13 to national cycling championLooking for Failure (Steve Jackson)Build for the user first—then build the productWhy automated tests are non negotiable for legacy systems
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The old, legacy system probably works fine

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