The settlement of Simeikyne was renamed into Simeichyne (Сімейчине) on June 18, 2025 by the Ukrainian parliament's resolution 4483-IX to comply with Ukrainian language standards.
See https://zakon.rada.gov.ua/laws/show/4483-20#Text or https://uk.wikipedia.org/wiki/%D0%A1%D1%96%D0%BC%D0%B5%D0%B9%D1%87%D0%B8%D0%BD%D0%B5_(%D1%81%D0%B5%D0%BB%D0%B8%D1%89%D0%B5) for reference.