This is not uncommon. I know developers who pace themselves, either by doing less than they are actually capable, or alternatively, simply get more work done th

This is not uncommon. I know developers who pace themselves, either by doing less than they are actually capable, or alternatively, simply get more work done than they talk about in their standup and save it up, so there is something to talk about the next day, etc. It doesn't help that many of the folks involved (scrum masters, PMs) are utterly clueless. If you have a particularly weak team, you may not even need to pace yourself... just do whatever.