Ugh, what I wouldn't give to run legacy LegendGear, Quark, and the current version of Pixelmon all on 1.7.10. I'm not sure if it's possible, but could someone make a mod that somehow automatically and passively allows any versions of mods, older or newer, to work with 1.7.10, adding vanilla features required by mods as needed?

18 minutes ago, diesieben07 said:

No.

Stop using 1.7.10.

Well, screw you too. 90% of the good mods are on only on 1.7.10, and you know it.

Don't be an ass. What you're asking is for us to put in hundreds of thousands of hours of work because you don't feel like updating.

Not to mention all the future costs. Technically it's possible yes, but realistically it will never happen.

Mods only work for the version they are built for. This is just how Minecraft works. Deal with it.

 

As for your comment about '90% of the good mods' No..  'good' is subjective. There are plenty of 'good' mods on ALL MC versions.