Our first priority was to restore the caching layer. The failure was a complex one (we’re still doing the forensics on it), and it has repeated a number of times. It was this failure that resulted in us switching the homepage to its emergency mode.
We have to take a pragmatic stance when triaging defects. Some may well be prioritised for fixing in the current or forthcoming release (which is great news) whilst others may not be deemed important enough for us to expend effort fixing (which is not so great).