Bug with snap programs

I run pop_os, and I’ve just installed snap. But a bug makes all the programs unusable.
Every program that I install comes without characters. I’ve tryed installing 5 programs, and all of them have the same problem. I’ve also tryed to reinstal snap, and nothing. I don’t really know what happens.
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Looks like it’s a problem I was trying to debug here: Snapped app not loading fonts on Fedora (and Arch)

Please attach the output of snap version and dpkg -l fontconfig\*.

Is that what you want?
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Thanks!

cc @jamesh looks like the fonts problem can be reproduced on 19.10 now?