not having played a Digitakt and yet super impressed by the sound quality/character, i would maybe like to imagine the option of beat-synched loop recording … achieved via recording Trig i guess, with a simple Time/Length parameter specified in Global or the current Track.
and along with that, the option to timestretch a loop by simply re-pitching the playback of the audio clip as a ratio of the current bpm compared to the clip’s original bpm - thereby sidestepping any copious or strenuous algorithm implementation.
another form of simple timestretching could be achieved by offering clip slice options with an individually adjustable adsr envelope for each snippet of an audio clip… each Slice auto-locked to 8th or 16th step placement as appropriate … to keep things simple, this could perhaps be offered as a feature applicable to audio clip recordings made on the Digitakt itself, rather than for imported content.