Many useful bugfixes are in the FontForge pull request at https://github.com/fontforge/fontforge/pull/2371 . Some of them have already been incorporated into FontAnvil, and some are inapplicable, but it's worth continuing the process of reviewing which may be relevant and merging them as appropriate.
mskala 
Tsukurimashou Font Family and IDSgrep
Many useful bugfixes are in the FontForge pull request at https://github.com/fontforge/fontforge/pull/2371 . Some of them have already been incorporated into FontAnvil, and some are inapplicable, but it's worth continuing the process of reviewing which may be relevant and merging them as appropriate.