We do this at Top Hat Monocle too, except we call them Hack weeks. We've found it tricky to make sure they are respected, meaning it's hard not to get distrac

We do this at Top Hat Monocle too, except we call them Hack weeks. We've found it tricky to make sure they are respected, meaning it's hard not to get distracted by critical bug fixes. We have quite a small team right now so that might play a part in it.