Even though the resourcepack is on and says so in the options.txt, the custom Mojang startup screen won't show. It shows the default startup logo rather than the custom one from the resourcepack. Having checked the mojang.png file in the resourcepack I can confirm the image is not damaged.
Environment
OS - OS X Mavericks ( OS X 10.9.1 (13B42) )
Java Version: 7 Update 51 (build 1.7.0_51-b13)
Linked issues
Comments 2
Duplicate of MC-40961.
Working as Intended.