Right now, the most popular standard for PC and TV video interfaces is HDMI 2.1, but we can soon expect a switch over to HDMI 2.2 — and that switch is apparently coming sooner than expected.
In general, we’d say absolutely. HDMI 2.1 (along with HDMI eARC) are the latest standards for connecting audio and video equipment. Even if you don’t plan to take advantage of their benefits ...