[fedesilva]

Open source does not mean "Accept All Patches At All Costs", it does not even mean accept any patch at all.

[akerl_]

Given that the thread you're responding to leads in with the suggestion to contribute code to improve the application, your point is both factual and totally tangental to the conversation.

If the project is hostile to merging patches (which Calibre's developer had demonstrated), that is relevant when discussing the possibility of a user providing contributions for improving the UI.