Negative. This is 5.6.1.

I downloaded the cvs version and get an even greater number of failed tests:

t/07nodelist........ok 5/18Can't locate object method "appendWellBalan
+cedChunk" via package "XML::LibXML::Element" (perhaps you forgot to l
+oad "XML::LibXML::Element"?) at t/07nodelist.t line 52.
t/08findnodes.......ok 1/14Can't locate object method "_findnodes" via
+ package "XML::LibXML::Element" (perhaps you forgot to load "XML::Lib
+XML::Element"?) at blib/lib/XML/LibXML.pm line 375.
t/13dtd.............ok 2/16Can't locate object method "new" via packag
+e "XML::LibXML::Dtd" (perhaps you forgot to load "XML::LibXML::Dtd"?)
+ at t/13dtd.t line 19.
t/14sax.............ok 7/46Can't locate object method "getData" via pa
+ckage "XML::LibXML::Text" (perhaps you forgot to load "XML::LibXML::T
+ext"?) at blib/lib/XML/LibXML/SAX/Parser.pm line 57.
t/15nodelist........ok 2/11Can't locate object method "_findnodes" via
+ package "XML::LibXML::Document" (perhaps you forgot to load "XML::Li
+bXML::Document"?) at blib/lib/XML/LibXML.pm line 375.
t/16docnodes........ok 3/9Can't locate object method "getFirstChild" v
+ia package "XML::LibXML::Document" (perhaps you forgot to load "XML::
+LibXML::Document"?) at t/16docnodes.t line 34.
t/17callbacks.......ok 11/38Can't locate object method "_findnodes" vi
+a package "XML::LibXML::Element" (perhaps you forgot to load "XML::Li
+bXML::Element"?) at blib/lib/XML/LibXML.pm line 375.
t/19encoding........ok 6/9Can't locate object method "appendText" via 
+package "XML::LibXML::Element" (perhaps you forgot to load "XML::LibX
+ML::Element"?) at t/19encoding.t line 89.
[download]