I hadn't encountered the idea of "rely on Makefile.PL" previously. As I said, "I didn't think that would be enough", but I didn't know for sure. The tests were as much for my benefit as yours. I was surprised that I only got a warning re Perl version.

I have the impression that you're in the process of providing other updates for your module. I'd be inclined to include "use VERSION;" with the next set of updates.

From v5.12 onwards, new versions have been released annually (mostly in May or June); in general, v5.x.y versions (where x is even and y > 0) have been compatible with 5.x.0, the few exceptions (just 3 or 4, I think) have only had minor incompatibilities. v5.10.1 was incompatible with v5.10.0 (from memory, mostly, or perhaps entirely, due to the '~~' operator). v5.8.0 to 5.8.9 were more like a series of completely new releases, which is why they're spread over a longer period than we're currently seeing — I recall working remotely a lot during that period and was bitten a few times with code that worked on the v5.8.x that I had installed at home, failing on the v5.8.x-1 that was installed at $work.

I suppose people will have their own views on where legacy ends and toolchain begins. I currently have to support v5.14 for $work; but that's planned to change to v5.26 in the not-too-distant future. I have seen a minimum version for CPAN modules hotly debated whenever the topic comes up: it won't matter what you choose; it's likely someone will disagree with it.

— Ken

In reply to Re^5: Deciding dependency versions by kcott
in thread Deciding dependency versions by Bod

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