port of OpenVPN 2.4.x for FreeBSD 10.3

I would need to know if it's available a port of any OpenVPN 2.4.x for FreeBSD 10.3 - does anyone know/have it?
It's an urgent need, I plan to upgrade the servers from FreeBSD 10.3 to a more recent version, but I need to urgently enable the tlc-crypt feature which is only available (in my understanding) since 2.4.x

is there any workaround to enable tls-crypt on 2.3.9?

please help - and please answer only if you have an answer to my questions, don't suggest that I need to upgrede FreeBSD, I know it already and I can't do it quickly enough.
thank you in advance
 
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