PostgreSQL 9.5.3 Documentation
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# E.221. Release 7.4.24

> Release Date: 2009-02-02

This release contains a variety of fixes from 7.4.23. For information about new features in the 7.4 major release, see Section E.245.

## E.221.1. Migration to Version 7.4.24

A dump/restore is not required for those running 7.4.X. However, if you are upgrading from a version earlier than 7.4.11, see Section E.234.

## E.221.2. Changes

- Improve handling of URLs in `headline()` function (Teodor)

- Improve handling of overlength headlines in `headline()` function (Teodor)

- Prevent possible Assert failure or misconversion if an encoding conversion is created with the wrong conversion function for the specified pair of encodings (Tom, Heikki)

- Avoid unnecessary locking of small tables in `VACUUM` (Heikki)

- Fix uninitialized variables in `contrib/tsearch2`'s `get_covers()` function (Teodor)

- Fix bug in `to_char()`'s handling of `TH` format codes (Andreas Scherbaum)

- Make all documentation reference `pgsql-bugs` and/or `pgsql-hackers` as appropriate, instead of the now-decommissioned `pgsql-ports` and `pgsql-patches` mailing lists (Tom)

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