Good to see you're back, typos and all
I use action tags, but I try not to if I can't think of an actual action the character should be doing. In other words, if I don't natural picture them doing an action, then I don't force it. If the character speaking is the narrator, then I might include some kind of thought of theirs before or after the piece of dialogue.
Sometimes when I'm really struggling I write an entire scene with no kind of tagging at all and then come back later to add in actions, tags, and other various bits of information.
Any kind of description of the character works, it doesn't have to be observing their actions— just make sure you aren't being totally random. Maybe the character is talking about purple being their favorite color, so the narrator notices they're wearing a purple necklace.
"My favorite color is purple." That tracks; my eyes shift down to the purple necklace that always lays on her neck.
I like dialogue tags. I read fast and get disoriented easily. Two-person conversations are one thing, but I personally think any more characters involved means you absolutely have to tag every piece of dialogue in some manner or fashion.