Tierlist
| Tier | |
| ---- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
| S | Posit Public Package Manager - it's got binaries for almost every combination of package version, R version, and operating system. Thanks Posit! |
| A | Generic CRAN |
| ?? | r-universe: current, latest versions of packages. Useful for (?) but not if you want history - so best avoided for {renv} workflows. |