Honestly I'm not a big TW fan... I have tried, but I just can't get into the game as much.
I have been watching Planetary Annihilation: Titans since it's development has been picked back up with some announcements but not a whole lot to see yet. Still a fun game, decent AI (Queller's mod) and solid community with mod support. I just hope they find a way to introduce more interesting flavor to it, or find a way to add more races like the Legions mod did...or officially add Legions to the game.
I've been playing more TBS lately, in the form of the 4X GalCiv3 + DLC's and when I feel the need for combat it's been in Warhammer 40K Sanctus Reach. Frankly those two are amazing titles for their genres, and I have really enjoyed my time with both. I know I'll never see the combat I desire in GC3, and WH40K Sanctus Reach isn't about empire development, so both are working in tandem to meet what I want in gaming right now.
I did poke around back into Homeworld Remastered, and decided I'll get back into finishing the HW1R campaign I never finished in 2017 once I wrap up my GC3/Sanctus combo run. I barely have enough time to play those, but am feeling the need for some 3D space combat RTS goodness.
Also, looking at future updates announced for GC3 and Ashes of the Singularity from Draginal (Brad Wardell) @ Stardock, things they learned about the game engine these titles share that benefited Star Control: Origins are going to trickle back down to these two.
OH, and I should add that I started a new game in SoaSE Rebellion... I shouldn't have, but I really didn't play much after the 1.92 patch with the 4GB update and all. That and I started a mod-free game, though I may get E4X back in...but at this point I've also put this aside for GC3 and SR. So really it's going to come down to playing HWR first or SoaSE. We shall see.
I should update the OP at some point...