This is a bugfix release that fixes a few issues found with v2.6.1 and its new feature (issue #75).
Specifically, hit highlighting could throw a NullPointerException if using a
#bool() query that didn't include both
#must_not() clauses now support matching parenthesis, although they don't contribute to any kind of "boolean groupings" – they're simply ignored. Also, proximity chains (ie,
a w/3 b w/7 c) are now supported within them.