Things will change with HRT.
Facial areas will smooth out, facial fat changes.
Body hair slows and for my thinned and began loosing the dark pigment more and more.
Skin will become smooth to the touch. The trade off is what may have been just a scratch may be a small cut.
Estrogen will make the finger nails brittle. Before I started progesterone I would bump my nails while working and have a round chip just break out. That's why girls complain about breaking a nail! I totally get that now!

Fat will begin to deposit in the buttocks. I have not seemed to added hip fat yet but definately but fat. Lol
Breast growth takes time but the tissues do grow. Sometimes faster than the fat gets added to cushion the tissues. Breast tissues reaction to estrogen is held back by testosterone so growth will remain slow at first until the T level drops way off. Also in cis girls, pre puberty starts at 8-9 years old. Breast tissues begin early budding then. When puberty kicks in they get their main growth which will continue until 19-20. Then only in the massive E and P of pregnancy do the breasts reach their full potential.
Muscle mass loss will happen. With that some body shape will change. As I lost muscle from my chest, neck, arms, and abs ect, all of my belly fat/visceral fat dropped right front. I still need to work to loose that.

it definately detracts from my breast size right now. Lol
With time connective tissues can shrink. Many report loosing a shoe size and even an inch of height.
Over time many report their pelvic tilt carry angle looseness up and becomes more feminine.
Things I have seen in myself include, breast growth, lost muscle size, smaller forearms, smaller lower legs and ankles. Lost trapezoid muscle size making my neck smaller/ thinner but seem longer. My feet have shrunk a little. With my forearms my wrists look thinner. My face has fattened smoothing out my appearance some. My skin is smooth on my hole body. My facial hair is slower growing but HRT will not make it disappear.

I have been personally very lucky for being born trans. Whatever affected my development also affected my sketal bone shapes. Something that for years I was ashamed of t ting to be male. Otherwise I am 5-11 so still much bigger than any average woman.
Everyone starts with a different body and everyone's tissues respond differently to hormones. Oh yeh, when first starting to block testosterone production it's like the body responds by having the t stored in body fat dump out. After my initial seeing slowing body hair there was a few weeks of WTF my body hair grew like crazy. Not an issue hardly anymore.
Do whatever lets you be yourself. Be happy. We only get one turn on this rock so live fo happiness.