We just gave our devs relatively modest increases, and only one raised any objections and ended up with a more than a 15% increase. I worry about all those devs who won't say anything (why should they have to?) and will just go somewhere else for a 20% bump.
It's really better to push yourself to know the changes in hiring and be getting job offers every 2 years, taking one most of the time. The things you do internal to a company are mostly risks for eventually dropping out. I.e. you end up in a position you have never seen a cold interview for.
