Is reality objective or subjective?
If reality means space, time, matter and the events that happen in the universe we perceive, it is intersubjective. Observation comes first: every observer holds its own perspective and its own records. What observers record jointly becomes objective. Observers meeting at a shared boundary can compare only relations, same or different, and never each other's private states, and the world that the full list of such entries pins down is objective reality. Objective means every observer inside agrees with every other, and it never means seen from nowhere, because no reading of the world is taken from outside. Private states drop out of that list and stay real. Alice's coin is a fact about Alice that she can check whenever she likes and nobody else can. Your experiences sit on the private side, real by the same standard as that coin and unpublishable by construction.
Also in Chapter 40: Does It Feel Like Anything, and What Is Left to Decide?.
This answer comes from OPH, Observer Patch Holography. OPH is a rigorous, consistent and complete description of the unified, self-creating computational Universe we inhabit. Its consistency is machine-checked: the fixed point at its core is constructed explicitly, and a theory with a model contains no contradiction.
To understand OPH and check every step yourself, start with the free book Reverse Engineering Reality. It builds the theory from the ground up, and the OPH Notebook answers your questions while you read.
read the free bookask the notebookor ask sage:read chapter 11: What Does Everybody Actually End Up Holding?watch a universe make its own particles