[su_note note_color=”#fafafa”]UPDATE: Sitecore Support confirmed it’s a bug in the MVC pipelines in 7.5. If you are doing WebForms you should be fine with mixed case placeholder keys. There’s now a Sitecore.Support.424797.dll patch that replaces GetAllowedRenderings with a corrected version. I still believe proper fix belongs in the cache class itself – exposing the knowledge […]