Title: 2.8.1 | Developer.WordPress.org

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# New and updated in 2.8.1

Functions

Hooks

Classes

Methods

 * method[Requests::compatible_gzinflate()](https://developer.wordpress.org/reference/classes/requests/compatible_gzinflate/)
 * Decompression of deflated string while staying compatible with the majority of
   servers.
 * Used by [0 functions](https://developer.wordpress.org/reference/classes/requests/compatible_gzinflate/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/classes/requests/compatible_gzinflate/#uses)
   | Source: [wp-includes/class-requests.php:882](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-requests.php#L882-L979)
 * function[_deep_replace()](https://developer.wordpress.org/reference/functions/_deep_replace/)
 * Performs a deep string replace operation to ensure the values in $search are 
   no longer present.
 * Used by [2 functions](https://developer.wordpress.org/reference/functions/_deep_replace/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/functions/_deep_replace/#uses)
   | Source: [wp-includes/formatting.php:4426](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/formatting.php#L4426-L4435)
 * function[wp_validate_redirect()](https://developer.wordpress.org/reference/functions/wp_validate_redirect/)
 * Validates a URL for use in a redirect.
 * Used by [7 functions](https://developer.wordpress.org/reference/functions/wp_validate_redirect/#used-by)
   | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_validate_redirect/#uses)
   | Source: [wp-includes/pluggable.php:1665](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L1665-L1732)
 * function[safecss_filter_attr()](https://developer.wordpress.org/reference/functions/safecss_filter_attr/)
 * Filters an inline style attribute and removes disallowed rules.
 * Used by [4 functions](https://developer.wordpress.org/reference/functions/safecss_filter_attr/#used-by)
   | Uses [5 functions](https://developer.wordpress.org/reference/functions/safecss_filter_attr/#uses)
   | Source: [wp-includes/kses.php:2561](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/kses.php#L2561-L2886)
 * hook[safe_style_css](https://developer.wordpress.org/reference/hooks/safe_style_css/)
 * Filters the list of allowed CSS attributes.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/safe_style_css/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/safe_style_css/#uses)
   | Source: [wp-includes/kses.php:2580](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/kses.php#L2580-L2738)
 * method[WP_Http_Encoding::compatible_gzinflate()](https://developer.wordpress.org/reference/classes/wp_http_encoding/compatible_gzinflate/)
 * Decompression of deflated string while staying compatible with the majority of
   servers.
 * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_http_encoding/compatible_gzinflate/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_http_encoding/compatible_gzinflate/#uses)
   | Source: [wp-includes/class-wp-http-encoding.php:104](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-http-encoding.php#L104-L138)