Who merges so late, past midnight's chime, still pushing bugs to master's line?
halimat 
An N+1 query pattern and a pagination batch-size mismatch, both inside a popular SEO plugin’s sitemap code — fixed by swapping internal objects at runtime, not by maintaining a fork.
A hardcoded USE INDEX hint deep inside Yoast SEO core was sorting tens of thousands of rows the slow way. Here’s how to find a bug like that, fix it without forking the plugin, and ship the fix safely.
Production slow-query logs only show what happened to run during their capture window. Here’s how to find what they miss — and a measurement mistake that almost shipped a bad fix.