Latin letters i and j should lose their dot when used with any combining marks above. It is pointed out in the Unicode standard (see section ‘Diacritics on i and j’ on page 289 and figure 7-2), and popular fonts follow this practice:

With Source Serif Pro, I get this instead:

Actually, the same rule also applies to Latin characters
į ị ⁱ ʲ
and Cyrillic letters
і ј,
since they all have the Soft_Dotted property in Unicode (see PropList.txt; here I list only characters included in Source Serif). Unfortunately, existing fonts support this property very inconsistently, and Noto seems to be the only font that really tries to do it right.
Latin letters i and j should lose their dot when used with any combining marks above. It is pointed out in the Unicode standard (see section ‘Diacritics on i and j’ on page 289 and figure 7-2), and popular fonts follow this practice:


With Source Serif Pro, I get this instead:
Actually, the same rule also applies to Latin characters
į ị ⁱ ʲand Cyrillic letters
і ј,since they all have the Soft_Dotted property in Unicode (see PropList.txt; here I list only characters included in Source Serif). Unfortunately, existing fonts support this property very inconsistently, and Noto seems to be the only font that really tries to do it right.