Players can no longer +suitzoom. Sandtrap2 has had it's max velocity increased to 7,500 Players that do not own CS:S (and haven't acquired the materials elsewhere) will now download a 5k-10kb compressed file with alternative materials / textures and will then automatically rejoin to make maps playable. This doesn't fix things perfectly, but in 99% of scenarios your experience will be vastly improved. For whatever reason if you don't want to load these materials, set bb_alternative_css_materials 0