[scarface74]

> In comparison, the emulator used during the 68k to PPC transition was never removed from Classic MacOS, so the change stood out.

It was never removed because Classic MacOS itself was never fully native.

[xattt]

> It was never removed because Classic MacOS itself was never fully native.

Are there any current OSes that have the same level of historical cruft that Mac OS Classic had?

[scarface74]

Windows.

Depending on which API you are calling, you have to represent a “string” differently. This is just one example

https://learn.microsoft.com/en-us/cpp/text/how-to-convert-be...

[GeekyBear]

There are still dialog boxes that date back to Windows 3.1 that show up in Windows 10 and 11.