I found a bug which I cannot reproduce, and which happens - if at all - only at the beginnig of a flashcard session with the first word: being asked for a chinese word with more than one syllable (show audio, ask for headword), I answer (free answer mode, repetition spaced), and when I tap on the right-arrow-button to reveal the solution, I see the flashcard, but less characters in the green or red marked character boxes. Actually I was audio-asked for 听见. Now I see the flashcard (chinese word, pinyin and definition), but only one character in the character box (听), marked green because I had given the right answer for the first character. The second character box for 见 is missing (I had given a wrong answer). As far as I remember this only happened with Beta4 (maybe also Beta3), and not more than 3 or 4 times alltogether. The first time it was a 4 character word, and only 2 character boxes were shown. This time it was the third session today, I had made a pause without stopping Pleco after the second session.
I exited the actual session (tapping ok in the top right corner), saved the session, looked at "advanced settings", started the flashcard session again, resumed the previously saved session, and found the same word 听见, now with 2 character boxes below - the box for 见 was red because I had given the wrong answer.