Perhaps the release schedule is a bit tight, which stressing the whole production line. Even testers have figured problems, it might be too late to rebuild everything near the deadline.
Have some sympathy, people would understand it’s not the only fault from the support.
They are receiving so many tickets a day, and number of them are not in well format, not mentioning submitting full project, some submits may also not able to isolate the exact bug, which increases lot of manual work before debugging.