Floating Base Item Displacement

[HashaDan]

I have a floating base in the pond with stem walls  and a brick zipline tower. The issue I am having is every now and then when I return to the base every item that I placed down sinks a variable amount into the floor. This includes things like chests, workbenches, garden, dry racks, and trampolines. Other things that are not movable like my doors(stem) and now parts of my roof(clover) are also sinking. Eventually I have to remake my door because I cannot fit through it. I am able to move the typical items back however this is time consuming.

The more major issue I am facing is that the zipline is also sinking but I cannot fix its position without destroying the zipline system.

The items seem to sink when I am away from my base for an extended period of time. For instance my base is located close to the oak tree and I set up a zipline tower to the termite area. After clearing the area and returning I found every item had sunk a considerable amount including all my ziplines. The anchor and wall anchor are both affected.

I am interested to see if anyone else has had this issue or if it has been acknowledged.