Yes. Before the update i was able to visit both thugs regularly. Now, they aren't on the new map lay out. Would i need to start a new game?
No you don't, once unlocked they are in the new " Downtown West ", I test with the old saves too to be sure everything work correctly before release updates.
Now if you still can't find the "Hideout" with an old and a new save, did you replaced the game file when you updated or is it a new folder?
I just tried again in my side and everything seem to work well.
I've reworked a bit the code and will release a patch soon that should fix that issue and add a new way to reach them.
For the online pics, It's a second code also on patreon but if you improve the relation with him enought it's not needed it's more a shortcut ( I'm working on that part also as it still lack content.)