August 6 2016
Pancake 4.12.1 Released
Pancake 4.12.0 does not work with PHP 5.4. Pancake 4.12.1 officially drops support for PHP 5.4.
If you don't know which version of PHP you're using, go to Settings > Errors & Diagnostics. If you don't see a red warning about PHP 5.4, you have nothing to worry about.
To force your copy of pancake to check for a new update please go to Settings -> Update and click "Check for updates".