Updates will be downloaded automatically, nothing major in this one:

• Fixed servers being inappropriately delisted from the master server
• Updated CTF_Doublecross - Improved clipping to prevent players from getting to unintended places
• Updated CTF_2Fort - Fixed Blue players being able to block the Blue spawn room doors to lock in teammates & moved the Blue team Sniper wall down to match the Red team Sniper wall
• Fixed the Pyro not being able to deflect enemy flares

See the full update here