The larger showers are definitely a continuing trend. But people are beginning to put freestanding tubs back in, not the platform tubs that take up a ton of space. Seats in a shower are so popular; you may not be sitting on them but they’re so handy for washing your feet or putting your leg up on them. Shelves or recessed areas to hold shampoo and soap are also very popular. The seat is also very helpful for that.