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## SQLite Release 3.5.0 On 2007-09-04

1. Redesign the OS interface layer. See 34to35.html for details. *** Potentially incompatible change ***
2. The sqlite3_release_memory(), sqlite3_soft_heap_limit(), and sqlite3_enable_shared_cache() interfaces now work cross all threads in the process, not just the single thread in which they are invoked. *** Potentially incompatible change ***
3. Added the sqlite3_open_v2() interface.
4. Reimplemented the memory allocation subsystem and made it replaceable at compile-time.
5. Created a new mutex subsystem and made it replicable at compile-time.
6. The same database connection may now be used simultaneously by separate threads.

A complete list of SQLite releases in a single page and a chronology are both also available. A detailed history of every check-in is available at SQLite version control site.

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