🇺🇸United States @kdebisschop

patch in #8 looks good

see https://www.php.net/releases/8.1/en.php

"Passing null to non-nullable internal function parameters is deprecated."

The signature for explode is:

explode(string $separator, string $string, int $limit = PHP_INT_MAX): array

Passing null gives this error:

Deprecated function: explode(): Passing null to parameter #2 ($string) of type string is deprecated...

Also, there is a type compatibility issue around \Drupal\views_streaming_data\StreamingViewExecutable::getIterator that requires \Traversable to be set as return type.