Is IPV6 option still necessary?

[Eugene Grosbein]

On 07.10.2019 13:18, Yasuhiro KIMURA wrote:

> On October 10, 2012 IPV6 option of all ports was enabled by
> default. Commit message said "We are in 2012, it is time to activate
> IPV6 options by default everywhere".
> 
> And now we are in 2019. IPv6 is more widely used than 2012. So I
> wonder if IPV6 option is still necessary.
> 
> If you use official packages then you always use IPv6-enabled
> binaries. And even if you build packages by yourself you still use
> IPv6-enabled ones unless you disable IPV6 option. So I think at most
> only a few people uses IPv6-disabled packages.
> 
> Are there anybody who still disables IPV6 option for some serious
> reason such as working around IPv6-related problem? If there aren't
> then I think it's time to remove IPV6 option from ports framework.

Think about embedded systems designed for internal use mostly/only (limited or no global connectivity)
with very constrained space for a code. Ability to reduce code bloat is good thing.