Active Branches

These are the known currently active branches:

Name	Base revision	Status	Owner	Description
master		Development		Development towards 1.5 development series.
1.4		Maintenance		Maintenance of the 1.4 release series.
matchspy	svnmerge	Experimental	Richard	MatchSpy classes implementing facet selection and tag reporting. See ticket #199 for details.
geospatial	svnmerge	Experimental	Richard	Geospatial matching (e.g. distance restriction on results). Note: see ticket #481 for details, and an up-to-date patch
brass-btree	svnmerge	Development	Olly	Developing a new B-tree manager for the glass backend.
2009-documentation-changes	?	?	James	Working on documentation changes to fit in a redesigned website(?)

Active branches in git:

Name	Status	Owner	Description
​nsmetanin	Development	Nikita Smetanin	Spelling Correction Improvements project for GSoC 2011
​atia	Development	Dai Youli	Chinese Segmentation Analysis project for GSoC 2011

Inactive Branches

These branches are no longer active:

Name	Branch-point	Status	Owner	Description
1.2	Not recorded	Retired		Maintenance of the 1.2 release series.
clustering	svnmerge	Developed further and merged for Xapian 1.5.0	Richard	Clustering algorithms. Developed during GSoC 2016 and 2017 and merged to git master.
imgseek	12287	Experimental	Richard	Image content matching, based on imgseek.
coloursim	svnmerge	Experimental	Richard	Experiments with colour similarity matching.
lemur-ogs-hack	?	?	Tom	"nasty application-specific hack to generate external weights from value-based expressions and allow this to be used remotely using a special term prefix"
xappy	svnmerge	Obsolete	Richard	Branch combining patches from trac tickets and feature branches to be used with xappy, which is no longer being developed
1.0	Not recorded	Retired		Maintenance of the 1.0 release series.
0.9	Not recorded	Retired		Maintenance of the 0.9 release series.
utf8	Not recorded	Merged for Xapian 1.0.0	Olly	UTF-8 support.
valuestreams	11098	Fully merged	Olly	Streamed values for faster access during matching.
lazyupdate	11390	Fully merged	Richard	Lazy update to allow faster update to existing documents.
opsynonym	12609	Fully merged for 1.1.1	Richard	OP_SYNONYM query operator.
postingsources	13195	Mainly merged for 1.1.3.	Richard	Now contains only the LimitedValueWeightPostingSource.
chert-shallower-btree	svnmerge	Savings too tiny to justify risk of destabilising code	Olly	Specialise chert block format for a shallower Btree.
stemrefcnt	10134	Experimental	Richard	Reference counted subclassing for stemmers.
gsoc2009-kosei	svnmerge	Merged for 1.2.4	Kosei	Developing SWIG-based Perl bindings.
end-iterator-proxies	svnmerge	Merged for 1.3.0 (with a change of approach)	Olly	Investigating making i != obj.foo_end() compile to a NULL pointer check
​sabrina	Not recorded	Fully merged	Xiaona Han	Support Lua project for GSoC 2011
​query-internal-reimplementation	Not recorded	Fully merged for 1.3.0	Olly	Reimplementing the internals of Xapian's Query class to be saner (also smaller and faster)
gsoc2011-parth	svnmerge	Fully merged for 1.3.1	Parth Gupta	Learning to Rank project for GSoC 2011