Tested with WordPress 6.1 and admincolumns pro 5.7.4

Deprecated: Return type of AC\Iterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Iterator.php on line 10

Deprecated: Return type of AC\Iterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Iterator.php on line 15

Deprecated: Return type of AC\Iterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Iterator.php on line 20

Deprecated: Return type of AC\Iterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Iterator.php on line 25

Deprecated: Return type of AC\Iterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Iterator.php on line 30

Deprecated: Return type of AC\ArrayIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ArrayIterator.php on line 19

Deprecated: Return type of AC\ArrayIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ArrayIterator.php on line 24

Deprecated: Return type of AC\ArrayIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ArrayIterator.php on line 29

Deprecated: Return type of AC\ArrayIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ArrayIterator.php on line 34

Deprecated: Return type of AC\ArrayIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ArrayIterator.php on line 39

Deprecated: Return type of AC\Collection::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Collection.php on line 62

Deprecated: Return type of AC\Collection::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Collection.php on line 72

Deprecated: Return type of AC\Collection::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Collection.php on line 67

Deprecated: Return type of AC\Collection::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Collection.php on line 81

Deprecated: Return type of AC\Collection::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\Collection.php on line 53

Deprecated: Return type of AC\ListScreenCollection::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ListScreenCollection.php on line 36

Deprecated: Return type of AC\ListScreenCollection::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ListScreenCollection.php on line 50

Deprecated: Return type of AC\ListScreenCollection::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ListScreenCollection.php on line 45

Deprecated: Return type of AC\ListScreenCollection::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ListScreenCollection.php on line 55

Deprecated: Return type of AC\ListScreenCollection::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ListScreenCollection.php on line 28

Deprecated: Return type of AC\ListScreenCollection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\ListScreenCollection.php on line 65

Deprecated: Return type of AC\EncodedListScreenData::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\EncodedListScreenData.php on line 27

Deprecated: Return type of AC\EncodedListScreenData::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\EncodedListScreenData.php on line 37

Deprecated: Return type of AC\EncodedListScreenData::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\EncodedListScreenData.php on line 32

Deprecated: Return type of AC\EncodedListScreenData::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\EncodedListScreenData.php on line 42

Deprecated: Return type of AC\EncodedListScreenData::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in admin-columns-pro\admin-columns\classes\EncodedListScreenData.php on line 19