Cmc gas turbine engine component with separated fiber plies

A gas turbine engine comprising:

• a compressor section;
• a combustor in fluid communication with the compressor section;
• and
• a turbine section in fluid communication with the combustor, the turbine section or the combustor having at least one component including:
• a component wall that has an exterior core gaspath side and an opposed interior side, the component wall being formed of a ceramic matrix composite that includes a plurality of fiber plies disposed in a ceramic matrix, the component wall including a corner connecting first and second wall sections, the fiber plies extending continuously through the first wall section, the corner, and the second wall section, the fiber plies being in a stacked contiguous arrangement in the first and second wall sections and at least some of the fiber plies separating from one another in the corner to define one or more void pockets there between.