You should get the Source Unpack : http://wiki.sourceruns.org/wiki/Source_Unpack (Also OoB too works on SteamPipe however some strats requires the Unpack) If you experience any OoB difficulties, ask an OoB runner
No, all versions should be fine. The Unpack that is on the Sourceruns Wiki is always the most up to date version.
No unpacked is more helpful to run because its the old version and the old version had easier glitchs to preform
It's not "unpacked", it's Source Unpack. And as said previously, it's only easier to perform edge glitches and save glitches, not all glitches.
An update has been released for SST that adds the command sst_portal_resetisg. This command removes Item Save Glitch and is to be used in place of restarting the game. This is a temporary solution while a more robust and legitimate one is developed.
The reasoning for allowing this is to make the ne
