High Sierra vs Mojave

Hello everyone. I’m going to upgrade my gpu from GTX770 to GTX1070. So naturally I will need to downgrade from Mojave which I’m running currently to High Sierra. Are there any drowbacks in using High Sierra? Will newest Xcode and frameworks be available on High Sierra?

P.S. The only way to downgrade is full reinstall, correct?

submitted by /u/TimeKillerOne
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