FilePlanet has posted the 1.3 patch for Hidden & Dangerous. Here are the details on the patch, courtesy of Tactical Planet:

1. Improved AI of allied soldiers. Status: Improved Follow mode, Move on command and overall AI of allied soldiers.

2. Improved AI of enemy soldiers.
Status: Improved covering after being shot. Walking by preprogramed path. Smarter grenade throwing. Overall enemy intelligence improved.

3. Killing by the knife through the wall.
Status: Fixed.

4. Vehicles.
Status: Vehicles sky launch bug fixed. Vehicles falling under terrain fixed.

5. Hardware fixes.
Status: PIII compatibility promblem fixed. Running HD on low memmory cards improved.

Please note: If you are experiencing display or other problems, we recommend that you check that you have the latest drivers installed for the hardware in your PC, these should be available to download from the web sites of the manufactures of your hardware.