# Compatibility matrix

| Dimension | Legacy | Next foundation | Pilot decision |
|---|---|---|---|
| UI | WinForms installer | WPF shell | parallel |
| Runtime | .NET Framework 4.7 | .NET 8 x64 | separate EXE |
| Plugin load | generated multi-NETLOAD | one local NETLOAD | validate first |
| Package source | network copy | manifest + local cache | no production UNC client yet |
| Offline | unknown | last valid local version | design policy |
| Rollback | manual/unknown | previous pointer | foundation tested |
| AutoCAD version | historical 2019 evidence | discovery for Plant 2026 | require runtime confirmation |