I've recently published PART 2 of the instructional study dedicated to Serbian Cyrillic. It deals with true italic forms and completes the topic, which started with PART 1 (upright forms):
https://nostalgicdolphin.com/blog-post-3/
If you find it useful, please share it on your type-focused web channels, to reach as many of our colleagues as possible.
Cheers!
—I