The latest major version is {50_version} and the corresponding distribution name is `50x` (with an "x" as the suffix).
For older releases use:

* `50x` for C* {50_version} series
* `41x` for C* {41_version} series
* `40x` for C* {40_version} series

For example, to add the repository for version {50_version} (`50x`):
