[Improvement] Better handling of quoted phrases in synonyms
[Fix] Synonyms not working with non-ASCII strings
[Fix] Max nesting function when synonyms are applied
[Fix] Synonyms are not case-insensitive
[Fix] Synonyms affecting the stemming functionality
[Fix] Metrics related click tracking error in multisite environment
[Fix] Merging words during HTML content tokenization if
is used in the content
[Fix] Hiding SearchWP admin menu via the hook leaves a link to it in the admin bar menu
[Fix] MySQL error if engine sources have no attributes
[Fix] Error if 's' parameter in the request is not a string
[Fix] Warning if a custom field is added to the Users in the engine settings
[Fix] Return type compatibility notice in PHP 8.1 for jsonSerialize() method
