With the next Elderscrolls still being 5-6 years away, what games can you recommend to scratch that itch

Enderal for a whole new world in the Skyrim engine. New map, new creatures, new spells, new items, pretty much nothing is unchanged and it's really well done.

Kingdom Come Deliverance for a more hardcore and true-life fantasy RPG

Oblivion if you haven't played it, just needs a texture mod for the most part.

Dragon's Dogma Dark Arisen

Witcher 3

Cyberpunk 2077 if you don't mind non-fantasy.

Kingdom Come Deliverance is probably the best RPG I've played.
- Yeah, it's proper good.
I can't believe I've never heard of Endral. This is so exciting.
- Be prepared. I love Enderal but it is unforgiving. Not to say it's bad, but it's following a different design ethos than Bethesda's Elder Scrolls.
  
  Also prepare for an emotional roller coaster

Play skyrim with the ordinator mod, it's basically a different game with huge talent trees and vastly more options for how to play.

I've used it. it's not that different.
- It's basically better talent trees, not all that different.
  
  For an actual different experience you need mods like Apocalypse (155 new spells) and most importantly the mod that instakills you if try to play a stealth archer.

Witcher 3

Ultima VII - with the FOSS Exult engine, it's old but has AI schedules, and stuff that really reminded me of TES.

Baldur's Gate 1 - it's quite old and much more linear in many ways than TES, but the semi-open world was still great. The Pathfinder games are also quite similar for a modern alternative. Avernum is also a little bit similar for the open world aspect.

Thief 1 + 2 - first-person stealth games, this directly influenced Oblivion. The Dark Mod also has some good newer maps.

Deus Ex (especially the original 2) - first person immersive sims.

Kingdom Come Deliverance - the closest to TES overall.

Daggerfall (Daggerfall Unity), Morrowind (OpenMW), Oblivion - if you haven't played them already.

Arx Fatalis (Arx Libertatis) and Ultima Underworld - share some aspects with TES although are much more dungeon crawlers.

The Legend Of Zelda: Tears of the Kingdom - quite different but the large open world and focus on exploration is amazing.

Seconding Morrowind with OpenMW. It does an amazing job updating everything for modern computers.

Morrowind is most obvious choice.

However if you want something new, eurojank games tend to scratch same itch to me if you can tolerate unpolished game mechanics until you get used to it. Two Worlds 2 and Elex 1 is great games to start with.

Outward is the singleplayer RPG of the last few years I enjoyed the most I think.
Some of the other open world RPG Series, like two worlds, Gothic or Elex, if you havent played those yet.
Reexperiencing Morrowind in Multiplayer is also quite fun.

Skyrim lol

I really enjoyed Tyranny, not exactly scrolls-like but the story felt ES like.

Skyrim lol