Homepage latest release doesn't account for betas/RCs

[iandunn]

This makes it look like 6.0 stable is out:

[ryelle]

How should the "real" version be communicated? IMO Beta feels too long, compared to RC/5.x, especially on the releases page. @beafialho What do you think?

Edit: Looking at it longer, maybe it's fine?

[beafialho]

@ryelle yeah, I think it's fine to keep the full word here 👍

[ryelle]

This is deployed now. I also sized down the font a little, since "beta#" collided with the text on mid-sized screens

Before:

After: