There where a period of time with large "year on year" jumps in pay from 2010 to 2018 (something like that). That does seem to have cooled of in the past four years. I did see a brief surge in positions offered and higher wages last year, but that stopped in during spring time this year.
My guess is that it's either a reaction to salaries already being high or the general economic slowdown, in some areas.
Again it might very well depend on your location, but the positions offered are also changing. I see more and more operations related position, and generally jobs postings a from companies that aren't software companies as such,. They are just companies that needs developer for internal project or software as part of a larger system. The positions I see are very much: "We have a job that needs to get done, and just need an additional developer (or systems administrator)". There are much less of crazy "We're changing the world and are looking for ninja-pirate-elite-10x-super hackers", and the former simply pays less.