Anyone else having problems with IFFT/tumblr?

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I use an IFFT script to crosspost from dreamwidth to tumblr. Recently a couple of my dreamwidth crossposts have not shown up on tumblr. The posts crossposted to livejournal, and show up in my dreamwidth's rss feed, so I don't think it's a dreamwidth issue. They were very run of the mill posts, and spaced out between posts that crossposted fine.

So it's probably IFFT or tumblr. Has anyone else been having crossposts etc vanish?