Hi nilshg, I tried that; I get massive errors:
(@v1.4) pkg> add DiffEqBase@6.21
Updating registry at `C:\Users\.juliapro\JuliaPro_v1.4.2-1\registries\JuliaPro`
Resolving package versions...
ERROR: Unsatisfiable requirements detected for package ProgressMeter [92933f4c]:
ProgressMeter [92933f4c] log:
├─possible versions are: [0.6.0-0.6.1, 0.7.0, 0.8.0, 0.9.0, 1.0.0, 1.1.0, 1.2.0, 1.3.0-1.3.4, 1.4.0-1.4.1, 1.5.0] or uninstalled
├─restricted by compatibility requirements with Mads [d6bdc55b] to versions: [0.6.0-0.6.1, 0.7.0, 0.8.0, 0.9.0, 1.0.0, 1.1.0, 1.2.0, 1.3.0-1.3.4, 1.4.0-1.4.1, 1.5.0]
│ └─Mads [d6bdc55b] log:
│ ├─possible versions are: [0.5.2, 0.6.0-0.6.3, 0.7.0-0.7.6, 0.8.0, 0.9.0-0.9.7, 0.10.0-0.10.8, 1.0.0-1.0.10] or uninstalled
│ ├─restricted to versions * by an explicit requirement, leaving only versions [0.5.2, 0.6.0-0.6.3, 0.7.0-0.7.6, 0.8.0, 0.9.0-0.9.7, 0.10.0-0.10.8, 1.0.0-1.0.10]
│ └─restricted by julia compatibility requirements to versions: [0.5.2, 0.6.0-0.6.3, 0.7.0-0.7.6, 0.8.0, 0.9.0-0.9.7, 0.10.0-0.10.8] or uninstalled, leaving only versions: [0.5.2, 0.6.0-0.6.3, 0.7.0-0.7.6, 0.8.0, 0.9.0-0.9.7, 0.10.0-0.10.8]
├─restricted by compatibility requirements with Mads [d6bdc55b] to versions: [0.6.0-0.6.1, 0.7.0, 0.8.0, 0.9.0]
│ └─Mads [d6bdc55b] log: see above
└─restricted by compatibility requirements with ConsoleProgressMonitor [88cd18e8] to versions: [1.0.0, 1.1.0, 1.2.0, 1.3.0-1.3.4, 1.4.0-1.4.1, 1.5.0] — no versions left
└─ConsoleProgressMonitor [88cd18e8] log:
├─possible versions are: 0.1.0-0.1.2 or uninstalled
├─restricted by compatibility requirements with DiffEqBase [2b5f629d] to versions: 0.1.0-0.1.2
│ └─DiffEqBase [2b5f629d] log:
│ ├─possible versions are: [3.13.2-3.13.3, 4.0.0-4.0.1, 4.1.0, 4.2.0, 4.3.0-4.3.1, 4.4.0, 4.5.0, 4.6.0, 4.7.0, 4.8.0, 4.9.0, 4.10.0-4.10.1, 4.11.0-4.11.1, 4.12.0, 4.13.0, 4.14.0-4.14.1, 4.15.0, 4.16.0, 4.17.0, 4.18.0, 4.19.0, 4.20.0-4.20.3, 4.21.0, 4.21.2-4.21.3, 4.22.0-4.22.2, 4.23.0, 4.23.2-4.23.4, 4.24.0-4.24.3, 4.25.0-4.25.1, 4.26.0-4.26.3, 4.27.0-4.27.1, 4.28.0-4.28.1,
4.29.0-4.29.2, 4.30.0-4.30.2, 4.31.0-4.31.2, 4.32.0, 5.0.0-5.0.1, 5.1.0, 5.2.0-5.2.3, 5.3.0-5.3.2, 5.4.0-5.4.1, 5.5.0-5.5.2, 5.6.0-5.6.4, 5.7.0, 5.8.0-5.8.1, 5.9.0, 5.10.0-5.10.3, 5.11.0-5.11.1, 5.12.0, 5.13.0, 5.14.0-5.14.2, 5.15.0, 5.16.0-5.16.5, 5.17.0-5.17.1, 5.18.0, 5.19.0, 5.20.0-5.20.1, 6.0.0, 6.1.0, 6.2.0-6.2.4, 6.3.0-6.3.6, 6.4.0-6.4.2, 6.5.0-6.5.1, 6.6.0, 6.7.0, 6.8.0, 6.9.0-6.9.4, 6.10.0-6.10.2, 6.11.0, 6.12.0-6.12.5, 6.13.0-6.13.3, 6.14.0-6.14.2, 6.15.0-6.15.2, 6.16.0, 6.17.0-6.17.3, 6.18.0-6.18.1, 6.19.0, 6.20.0, 6.21.0-6.21.1, 6.22.0-6.22.2, 6.23.0, 6.24.0, 6.25.0-6.25.2, 6.26.0, 6.27.0, 6.28.0, 6.29.0-6.29.3, 6.30.0-6.30.4, 6.31.0-6.31.1, 6.32.0-6.32.2, 6.33.0-6.33.1, 6.34.0-6.34.3, 6.35.0-6.35.2, 6.36.0-6.36.4, 6.37.0, 6.38.0-6.38.4, 6.39.0-6.39.1, 6.40.0-6.40.9, 6.41.0-6.41.3, 6.42.0, 6.43.0-6.43.1, 6.44.0-6.44.3, 6.45.0-6.45.1, 6.46.0-6.46.1, 6.47.0-6.47.1, 6.48.0-6.48.2, 6.49.0-6.49.2, 6.50.0, 6.51.0, 6.52.0-6.52.2, 6.53.0-6.53.6, 6.54.0-6.54.1, 6.55.0, 6.56.0, 6.57.0-6.57.9, 6.58.0, 6.59.0, 6.60.0] or uninstalled
│ └─restricted to versions 6.21 by an explicit requirement, leaving only versions 6.21.0-6.21.1
└─restricted by compatibility requirements with LoggingExtras [e6f89c97] to versions: 0.1.1-0.1.2 or uninstalled, leaving only versions: 0.1.1-0.1.2
└─LoggingExtras [e6f89c97] log:
├─possible versions are: [0.1.0, 0.3.0, 0.4.0-0.4.6] or uninstalled
└─restricted by compatibility requirements with DiffEqBase [2b5f629d] to versions: 0.4.0-0.4.6
└─DiffEqBase [2b5f629d] log: see above
(@v1.4) pkg>