You're in a for a long tail of pain if you have significant uptake.
To avoid this, you will need have a clear policy on what you're willing to support (eg versions up to 1 year old, or "major version - 1", etc.), and stick to it. Otherwise, people will expect you to support all of it, forever.
If you want people to keep up to date with your releases, you either have to provide an automatic update facility that they have to manually turn off (ugh, too hard), or you have to dangle desirable features as carrots in front of them, so that upgrading is exciting instead of a social obligation.
My experience is kinda the opposite. Big companies get into certain workflows and don't want to change, altho they are happy to take bugfixes. This is also where I'm at with much of the software I rely upon, some of which I pull at my own whim.
To avoid this, you will need have a clear policy on what you're willing to support (eg versions up to 1 year old, or "major version - 1", etc.), and stick to it. Otherwise, people will expect you to support all of it, forever.