Adjustment of serifs for cyrl-{yery|yeri} = corner under Slab Italic.

[jmcwilliams403]

ъ ы ы ь
Slab Upright for reference:

Under italics, these serifs should be removed if they're still using corner or corner-tailed:

However, the capitals should remain unchanged:
Ъ Ы Ы Ь

[jmcwilliams403]

It seems like you've mistakenly enabled the italic serifs for yery under upright as well:
ы

[jmcwilliams403]

It seems like you've mistakenly enabled the italic serifs for yery under upright as well: ы

I'm not sure if I'd know how to fix it myself if I were to attempt it.

[be5invis]

Fixed