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Demo

A legacy .NET application, upgraded in place.

An in-place upgrade: no decomposition, no refactoring, no redesign. The same application on a supported framework, with its behaviour preserved.

Source · .NET Framework 4.7.2 · 2 projects Target · .NET 10 (LTS) Recorded 21 July 2026 Runtime · 3:15

Chapters

What the run produces

Output you can review.

Decision record

All eleven answers recorded next to the options they were chosen from.

A plan before a diff

Framework moves, package changes and code seams listed per project, approved before anything is applied.

Behaviour preserved

A version and dependency upgrade — the playbook does not refactor or restructure.

Local execution

Runs on your machine, against your repository, on the model you select.

About this recording. One run on a sample two-project .NET Framework 4.7.2 solution, 21 July 2026, recorded end to end and unedited. Counts, file names and timings are from this run; a different solution, or different answers, produce a different plan.

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