Current version of IOFormat is built on:

• IOLink v1.2.0
• IOPluginAPI v0.7.0

In C++, ABI compatibility of IOLink is guaranteed for all following minor versions. Which means you can override your IOLink version since v1.2.0.

In Python, API compatibility is guaranteed since v1.2.0.

In .NET, API compatibility is guaranteed since v1.2.0.