For example, in Spanish, "Iraq" is spelled "Irak"—but only as of 2010! The change came with justifications: that it avoids the use of "q" outside of the digraph "qu", and that the terminal "k" is nowadays more familiar in words borrowed from other languages.
Japanese is a famously difficult language, but in the past century and a half, they've had multiple reforms which standardized and eliminated characters—there are more changes in the works, but it looks like they'll get new characters, such as "gaiji".
As an English writer I feel left out.