### Berkeley DB 2.7.1 Change Log

### New Features:

1. This release includes support for nested transactions. (No interface changes were required.)

### System Porting and Build Procedure Changes:

1. FreeBSD systems are now built using the flags -D_THREAD_SAFE and -pthread instead of directly loading with the -lc_r library.

2. Linux systems are now built using the -D_REENTRANT flag.

### Other Changes:

1. The default memory pool cache size has been increase from 128K to 256K.