[llvm-dev] [lldb-dev] [3.9 Release] Release plan and call for testers

[Rafael Espíndola via llvm-dev]

On 13 June 2016 at 13:30, Michael Kuperstein <mkuper at google.com> wrote:
> It would probably better for whoever wrote this text to pipe in, but I think
> the idea is that (X+1).0 is supposed to be a kind of a "bridge" release.
>
> That is, if you have legacy IR files that contain dropped features, or if
> the IR format changed significantly, you can still use the (X+1).0
> auto-upgrade (which may be fairly complex) to read them, but this
> auto-upgrade complexity may be dropped in (X+1).1.
> I'm not completely sure this makes sense, but this is how I've always
> understood it.

I think that is the idea. When the text was written it was just
codifying existing practices (3.0 could read 2.X).

Cheers,
Rafael