Portrait photos are blurry in macOS photos
iPhone 7+, iOS v. 11.3.1, macOS v.10.13.4 (Photos Version 3.0 (3271.13.150)).
Photos are shared via iCloud photo library.
Photos are shot to HEIC format, portrait mode.
When the same photo is previewed in macOS photos app it applies blur effect incorrectly.
Compare:
iMac, macOS High Sierra (10.13.1)