A word of warning to anyone upgrading to Mastodon 1.3(.1)!!!

Starting with 1.3(.1) Private posts will federate! But they don't do so securely! Warnings are built in but be aware that if you have followers on GNU Social, Friendica, or postActiv then they will **NOT** know that your post is marked private/followers-only!! And they **will** be able to boost it!! Once they do so, it becomes a public post

This is not opt-in, it just happens post-update

If this worries you, go audit your followers

@shel There is a UI specifically for auditing your followers too apparently, but you still have to know which instances you can actually trust. No automated help there. We could've had server-specific metadata but *somebody* had to reject that PR out of hand >_>;;
@shel BE ALSO AWARE THAT IF YOU DISALLOW AN INSTANCE IT WILL UNFOLLOW EVERYONE FROM THE INSTANCE
@shel this is such an unfortunate implantation...
@lambadalambda implantation... implants
@shel hey I'm two whiskeys in and autocorrect isn't helpful...

@lambadalambda OK but like the worst thing is like

remember how in my write-up Solution A, proposed by Hoodie, was to make it OPT IN and you have to read a warning explaining it first??? And we agreed this worked under that circumstance??

And like rather than any of those options we get like, weird A-1 which removes the main component that would make Solution A acceptable

@shel wait, it just happens now? Without confirmation?

@lambadalambda the moment your instance upgrades to 1.3 or higher it Just Happens and nothing tells you that it's different

and to a new user who isn't here in This Moment then they'll have no idea until they get rly confused by their followers-only post getting boosted when it's not supposed to be

@shel 👍👍👍👍 10/10 would federate again.
@shel what do you mean by audit my followers? block everyone who's on gnu social?

@z411 I mean "look at who follows you and make sure that if they're on a non-mastodon instance you trust them not to boost posts you wouldn't want boosted even without knowing it's disabled on mastodon instances"

that's literally the Official Solution to the problem of post leakage. Like this isn't my solution it's what was deemed an acceptable solution to the problem of "boost-disabled posts can be boosted by GNU social users"

@shel yeah, well i rarely post privately but i can see this causing friction with gnu social users, can this be standardized somehow?

@z411 that would require cooperation between the different groups

which precedent has shown doesnt really happen...