At this point in time, in 2021, one wonders whether some of these "choices" are political. It's now been so many years, why would the vendors still have problems rolling out a v6 only version? Or are these specific case scenarios that *require* v4 as part of their DNA?
Kindest regards,

Olivier

On 23/10/2021 17:49, Jens Link wrote:
Hi,

just ran into this on twitter:

https://github.com/buraglio/broken-v6only

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A running list of applications and processes that just do not work with
the total absence of IPv4 on on a host. Contributions welcome and encouraged.
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Maybe the RIPE community can give more input.  

Jens