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Are there any sites that provide e-reader engine support charts for ePub, similar to what MDN provides for HTML?

• robin_reala 9mo ago
  No, not really, and given the length of time ereaders stick around, you’re really probably best off assuming the worst. If there’s something complex layout-wise that I want to do then I often use @supports blocks. For example, in a recent book I worked on I had a layout that would be be accomplished with flexbox, but I started with floats instead and overrode that for better ereaders: https://github.com/standardebooks/harry-harrison_planet-of-the-damned/blob/master/src/epub/css/local.css#L188-L196 https://github.com/standardebooks/harry-harrison_planet-of-t...