You should consider moving to IOS XE 16.6 or 16.9 if you need:
Note: While this exact version may not be the absolute latest (Cisco has moved on to IOS XE 16.x and 17.x trains), it is a very stable and common Extended Maintenance release used in many production environments. cat4500e-universalk9.spa.03.11.00.e.152-7.e.bin