October 18, 2010 Patch

Source: 18 Oct 2010 – Team Fortress 2 Update Released

Patch notes

Team Fortress 2

• Fixed a sentry gun exploit that let Engineers build multiple sentries
• Fixed Engineers being able to build level 3 mini-sentries using The Wrangler
• Fixed the Holy Mackerel hit triggering the first blood event in Arena mode
• Fixed seeing error particle systems in old demos

Additional notes

Engineers are still able to build level 3 mini-sentries.