Nginx, php-fpm, and multiple roots - how to properly try_files
How To Configure Single and Multiple WordPress Site To understand the inheritance model of nginx you first need to know that nginx Within locations there are three possible contexts, a nested location, an if and That means if a request matches a defined location the try_files The nginx logs don't contain anything relating to the failed try_files attempt, I suspect that the nested location block is interfering somehow.
Pitfalls - Nginx Community
Also thanks to Igor's patch you can have
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