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# Release notes for Recoll 1.14.4

Recoll 1.14.4 fixes a number of small bugs

Installing over an older version: version 1.13/14 indexes are mostly compatible with 1.11, but some new, relatively minor, features (ie: duplicates collapsing) depend on a full index rebuild. The 1.14 date search feature does not need an index rebuild, the data was already in the index.
If installing over 1.10 or older, you need a full rebuild. The best way to do this is to just delete the old .recoll/xapiandb directory, especially if the index was created by an older version. (ie: `rm -rf ~/.recoll/xapiandb/`). On very old indexes, `recollindex -z` may sometimes end with a backend doesn't implement metadata error, which is wasteful because you then need to delete xapiandb and run the indexing again.