# Boost.Flyweight Release notes

Future work
Index
Acknowledgements

## Contents

- Boost 1.40 release
- Boost 1.39 release
- Boost 1.38 release

## Boost 1.40 release

- Maintenance fixes.

## Boost 1.39 release

- The `refcounted` component was not thread-safe due to an incorrect implementation and could deadlock under heavy usage conditions. This problem has been corrected.

## Boost 1.38 release

- Initial release of Boost.Flyweight.

Future work
Index
Acknowledgements

Revised April 25th 2009

© Copyright 2006-2009 Joaquín M López Muñoz. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)