Created ticket #34238 on Core Trac:
Divide by zero in wp-includes/media.php on line 916
Created ticket #30287 on Core Trac:
Private posts skipped in single post navigation
Created ticket #30255 on Core Trac:
Private posts skipped for navigation in Twenty Fifteen
Wrote a comment on the post Twenty Fifteen, on the site Make WordPress Core:
Beautiful already. Please ping me.