@soptq
Yes, indeed. I have made an update to foundry-up to version 0.1.3 to allow specifying a release tag. For example, if I want to stick to `nightly-2cf84d9f3ba7b6f4a9296299e7036ecc24cfa1da`, I can now:
```bash
npm install -g foundry-up --foundry_version=nightly-2cf84d9f3ba7b6f4a9296299e7036ecc24cfa1da
```