请问 这里的version bumps一般指的什么意思

Question

New fields can be added to the end with minor version bumps.
请问 这里的version bumps一般指的什么意思

Answer 1

/**

• Format I/O context.
• New fields can be added to the end with minor version bumps.
• Removal, reordering and changes to existing fields require a major
• version bump.
• sizeof(AVFormatContext) must not be used outside libav*, use
• avformat_alloc_context() to create an AVFormatContext. */

这是从ffmpeg里关于AVFormatContext的注释中看到的。3Q。