In fairness to Adobe, it’s hard to see how much more can be added to Photoshop to make it genuinely better, but the pace of change is underwhelming nevertheless. The clever new Select Subject option arrived in January 2018, together with a slider to control decontamination around selection edges (whoop!), and before that in October 2018 Adobe introduced 360 editing tools, depth map support for HEIF files and smattering of other enhancements and improvements. The latest Octoupdate brought the new Content Aware Fill workspace, a redesigned homepage with access to recent files, training materials and Lightroom CC profiles, live previews of blend mode changes and not a whole lot else.
Photoshop CC is typically updated a couple of times a year (it’s all part of your subscription, of course), but the number of updates directly relevant to photographers does seem to have slowed. The new Content Aware Fill workspace gives you much more control over removing unwanted objects from your pictures