Yesterday, Inferno was updated for Counter-Strike: Global Offensive. Today, Valve's latest pre-release patch fixes Inferno.

Changelog for CS:GO Beta 1.35.5.3rc2
Inferno
(Thanks to everybody that reported bugs and general feedback!)
• Opened up skybox between alt-mid and A site
• Added back position on side of double-stack box in A site
• Tightened bombsite area on A site to prevent bomb being planted outside of platform
• Fixed barrels in A site not rendering if you were inside Library
• Made it smoother to move on top of the well in CT spawn
• Removed clipping on top of half-walls similar to wall near Quad, affects T spawn and CT entrance to B site
• Added collision to fix a boost inside B site to look into Banana (Thanks adreN!)
• Added collision to fix a boost from alt-mid balcony looking into Banana (Thanks Anomaly!)
• Matched buyzone in T spawn with radar graphic
• Moved gutter on yellow house in B site, to clean up angle between coffins and entrance
• Smoothed out movement on/near the rock wall in CT spawn
• Fixed a bug where exiting from underpass into alt-mid would trigger the wrong soundscape
• Removed some minor props in A site where a planted bomb could be hidden
• Made movement on yellow chair in Library smoother
• Removed one-way wallbang through door in mid, near underpass entrance
• Fixed being able to drop weapons/C4 into rooms outside of play area
• Improved player collision on arches inside hallway leading to balcony at bombsite A
• Moved bench in mid slightly
• Fixed items falling through bottom of fountain
• Fixed some radar naming bugs
• Updated radar with stairs and balcony in top of mid/alt mid.
• Fixed various clip/player collision issues around the map
• Fixed various minor graphical bugs around the map

Misc
• Fixed bug introduced in rc1 where quickly uncrouching and recrouching in odd positions could cause players to get stuck in the terrain.