This includes:

• suffixPatternMatch, registeredSuffixPatternMatch for annotated controller methods and configured through MVC Java config and XML namespace.
• trailingSlashMatch for extensions of AbstractHandlerMapping.
• favorPathExtension and ignoreUnknownPathExtensions and underlying PathExtensionContentNegotiationStrategy and ServletPathExtensionContentNegotiationStrategy for content negotiation, configurable through ContentNegotiationManagerFactoryBean and in the MVC Java config.
• matchOptionalTrailingSeparator in PathPatternParser.