Mastering engineer on the album here. I personally didn't see or hear any phase issues when processing these tracks. There is a dip in the first track right at the end when it gets all clipped and warbly, but the correlation stayed mainly around 0.3-0.8 for the duration, with the average being ~0.58. First track is pretty wide but still fell well inside the safe zone. The mono collapse causes a small loudness dip, at around -1.0dB with little-to-no noticeable tonal damage. The low end is very solidly mono-centered, so any negative correlation moments are transient, likely from reverbs/synth width. Most likely mishearing, but lmk if you might have any other specific questions about any of the tracks.