Re-hide the recently unhidden "Failed to load" messages on Windows Pull some minor changes for datacache from CS:GO * CDataCacheSection::EndFrameLocking mutex Fix some more prediction errors * HL1 357 & crossbow zoom * HL2 crossbow zoom Fixed prediction errors with SLAM * Also fixed it not using world clicker aim angles * Fixed it trying to play non existent TripmineGrenade.StopSound * Disable unused "attach satchel" code (different from attach tripwire) * Disallow switching to tripwires or back while throwing/attaching slams Fixed prediction errors with HL1 satchel Predict hornet gun ammo regen Groundworkd for HLS RPG prediction error fixes (req networking changes) Rework missing Steamworks API checks * Check more APIs that we use, rework the code to deduplicate the error messages, include more useful steps to try to fix the issue, remove obsolete tips like "ClientRegistry.blob" Fix 64bit high curtime HUD animations Turn some stuff to doubles in relation to networking * Remove CEngine::m_flFilteredTime and m_flLastRemainder (unused) Add VPROF to CLuaGamemode::CallReturns Pull some minor changes for datacache from CS:GO * CDataCacheSection::EndFrameLocking mutex NPCs ignore spectating players Various changes from TF2 SDK * Adds CFuncNavCost::InputToggle Hammer input * Various fixes Restore hud_draw_fixed_reticle as alt texture for default crosshair Add Projects only build script for windows