• fix(core): accept alpha in hsl colors (#4435).
• fix(core): repaint feature-state-driven symbol paint properties (#4445).
• Make string expressions operate on unicode (#4344).
• fix(core): Add action journal exception handling (#4438).
• feat: specify layer/property that has a parse error when logging (#4292).
• core: Add error reporting for corrupted symbols (#4458).
• Changes to the custom Metal layer to allow more flexible rendering (#4446).
• feat: implement split and join expressions (#4463).
• core: rename mbgl namespace to mln (#4487).
• core: rename mbgl directories to mln (#4511).
• Fix surface transform (#4495).
• fix(core): Fix nullptr access during custom layer pre-render (#4496).