In WordPress 6.9, a handful of small, developer-focused changes were made that deserve to be called out. Let’s take a look!

PHP 8.5 New Function Polyfills

The upcoming 8.5 release of PHP includes 2 new functions that can be used to retrieve values from an array:

array_first() array_last()

To encourage more modern PHP practices, polyfills of these functions have been added to WordPress Core so that they can be used safely without needing to include function_exists() checks.

For more information, see #63853.

Improved Feed Caching on Multisite Installs

When RSS feeds are fetched using fetch_feed(), they are currently

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