I’m sure you’re not trying to be annoying. But at least to me it comes across that way.
You’ve asked this question before. See K-9 Mail release schedule
You’ve read the progress reports. The number of people working on the app hasn’t increased a lot since then. So what makes you think asking the same question again will lead to a different answer?
Also, it feels like this is less of a question and more of a suggestion. If that’s the case, please don’t formulate it as a question. Make the suggestion, and provide an argument for why you think it would be an improvement.