Which version of PHP Recipe Rich Snippet Addon plugin requires?
Recipe Rich Snippet Addon plugin requires one of the following PHP versions: . The plugin might work with older PHP versions, but they are no longer tested or supported.
Which version of WordPress Recipe Rich Snippet Addon plugin requires?
Recipe Rich Snippet Addon plugin requires one of the following WordPress versions: . The plugin might work with older WordPress versions, but they are no longer tested or supported.
Which version of ClassicPress (WordPress fork) Recipe Rich Snippet Addon plugin requires?
Recipe Rich Snippet Addon plugin requires one of the following ClassicPress versions: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5.
How old is Recipe Rich Snippet Addon plugin?
Recipe Rich Snippet Addon plugin is 5 years, 2 months old.
When was Recipe Rich Snippet Addon plugin first version released?
Recipe Rich Snippet Addon plugin was first released on July 13, 2018.
Where can I find list of changes in all Recipe Rich Snippet Addon plugin releases?
The detailed changelog for Recipe Rich Snippet Addon plugin is available here: Recipe Rich Snippet Addon Changelog.
Can I translate Recipe Rich Snippet Addon to my language?

Yes. POT file is provided as a base for translation in the root folder for each plugin. Translation files should go into languages directory, and WordPress must be set to your language to load the file. The file name for translated and compiled MO file must be the same as POT file with the addition of language code: {addon-name}-{language-code}.mo.

You can check out this for translating plugins using POEdit program:
wp.dev4press.com/tutorials/translating-plugins-or-themes-using-poedit