BTW, I am pretty sure you don't have to enter cyrillic characters as Unicode codes. Starting with Java 9 UTF-8 characters are natively supported in property files. If there is an issue here, I have to check if there is something I have overlooked.
Yes, that's IntelliJ made the transformation, I didn't even noticed. You can convert the files and commit. In the Intellij editor at bottom there is a select of encoding and line endings.
Changes seem fine to me, thank you for the PR!
BTW, I am pretty sure you don't have to enter cyrillic characters as Unicode codes. Starting with Java 9 UTF-8 characters are natively supported in property files. If there is an issue here, I have to check if there is something I have overlooked.