Chains.mod has released their newest version of their mod, .55. This update is compatible with Painkiller 1.2 and adds new features/fixes such as:
-Client side hitsounds with possibility to add custom sounds in Chains.Mod.Data/Sounds directory
-Client side killsounds with possibility to add custom sounds in Chains.Mod.Data/Sounds directory
-Frag messages
-New HUD style - Funky
-Possibility to set different crosshair or crosshair size for each weapon
and much more. The rest of the changes/adds/fixes can be found in the changelog(PainkillerChains.Mod.DataDocsEng).