Wildcard search with CSW requests was working with version 2.6.3 but seems broken with 2.6.4. Here is a sample URL that returns results with 2.6.3 but not with 2.6.4:
Wildcard search with CSW requests was working with version 2.6.3 but seems broken with 2.6.4. Here is a sample URL that returns results with 2.6.3 but not with 2.6.4: