[k-9-mail] Compact Account Not Working

I'm running K9 latest version on a Samsung Galaxy S5 but in the last few weeks the Compact Account feature has stopped working for no apparent reason. I've checked settings but can't find anything to correct it. Any ideas how to fix please? -- You received this message because you are

[k-9-mail] Re: Significant Battery Issues with Latest Update

Woke up this morning to 16% battery after going to bed 8 hrs before at 100% ... this is getting absurd... --sjs -- You received this message