The `AbstractXContentFilteringTestCase#testDotsAndDoubleWildcardInExcludedFieldName` test (all subclasses) is failing. It is no longer failing due to invalid JSON (that was fixed by the upgrade to jackson 2.13.0), but it looks like it is failing to apply exclusions correctly.
libs/x-content/impl/src/main/java/org/elasticsearch/xcontent/provider/XContentParserConfigurationImpl.java
);
    }
    public JsonParser filter(JsonParser parser) {
        JsonParser filtered = parser;
        if (excludes != null) {
            for (FilterPath e : excludes) {
                if (e.hasDoubleWildcard()) {
                    
                    throw new UnsupportedOperationException("double wildcards are not supported in filtered excludes");
                }
            }
            filtered = new FilteringParserDelegate(
                filtered,
                new FilterPathBasedFilter(excludes, false, filtersMatchFieldNamesWithDots),
                true,
                true
            );
        }
        if (includes != null) {
            filtered = new FilteringParserDelegate(
                filtered,
                new FilterPathBasedFilter(includes, true, filtersMatchFieldNamesWithDots),
                true,
                true
            );
        }
        return filtered;
    }
}