257788 2023-06-07 03:21:21 -0700 Investigate using Markable instead of std::optional for ScrollbarColor 2023-06-16 03:26:22 -0700 1 1 1 Unclassified WebKit CSS Safari 16 Unspecified Unspecified RESOLVED INVALID InRadar P2 Normal --- 257571 231590 1 lwarlow webkit-unassigned webkit-bug-importer oldest_to_newest 1960246 0 lwarlow 2023-06-07 03:21:21 -0700 We should check with the dump-class-layout, but the optional might make it align at 12 bytes (4 for each StyleColor). Using a custom Markable<ScrollbarColor> when any of the underlying color is invalid could save 4 bytes 1961528 1 webkit-bug-importer 2023-06-14 03:22:17 -0700 <rdar://problem/110765163> 1962055 2 lwarlow 2023-06-16 03:26:22 -0700 Implemented as part of initial bug