This is a camera I almost immediately bonded to. I divide my cameras in two sections: tools and friends. My EM1 is undoubtedly a nice camera, but I've never befriended it. It's a tool that only comes out when I need the big guns (12-40; 40-150). The LX100 I loved from the first touch. I haven't used it in a bit (that happens when you get an even newer camera (Pen-F) that you really enjoy), but find it an ideal camera to have in my everyday bag.
I had two issues: after using a third party battery, my LX100 no longer could retain its power. It drained in a few days, even when not using the camera, even after switching to the supplied battery. The camera went in repair, but at that time they couldn't find anything abnormal. When it happened again, I figured out that it only happened when I used the third party battery. I left the camera without battery for a few days, and only used genuine Panasonic batteries from then. The problem never returned.
Furthermore my lens motor broke, in a way that zooming out would have the lens make a grinding sound. I didn't know how and when at that time, and it was repaired under guarantee. Later on I figured out through some forum posts that it must have happened in my coat pocket by accidentally setting the power switch to "on" while the lens had no room to extend. Panasonic seems to have cheapened out, and didn't add a sensor to signal the lens to stop zooming out when it's blocked causing the lens motor to break. I am now more careful of the way I carry my camera.