A few weeks ago I started to have problems assigning 0,5 (or 0.5) story points to a task/bug/story. I don't remember changing any settings that could cause this.
All my project colleagues are also facing the same problem. It happens on both projects I have in this account.
JIRA gives me a little tooltip with the text "validation failed" and the story points field exhibits a "warning icon".
On the image below I try to assign "0,5" but typing "0.5" gives the same result. The same goes for any other value ending with "half" - e.g. 1.5, 2.5, 3.5, 4.5, ...
I've discovered that I can assign this values when using Jira's Android app, but still can't do it through any browser.
