I've noticed a lot of other communities have speedrunning discords and I haven't been able to find one for this game.
Portal Discord: https://discord.gg/ZkcJJg2 (don't expect anything super active here)
for Source Games in General: https://discord.gg/sourceruns
Yeah your best bet is the sourceruns discord. It's pretty active and people are always willing to help!
Portal-related discord servers: Portal Speedrunning SourceRuns SourceDoneFR Innate's Discord Some other secret discord channels
As of today, 17/03/25, ghost door is officially banned in all runs, due to it not being possible without pre run setup (if a setup is found from game launch the rules will be updated accordingly). All previous full runs utilizing it will be grandfathered in, and all previous ILs utilizing it will be
