node.js - How to safely rollout new npm package version with engine requirement change -

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as node deprecating old buffer usages, , unfortunately i'm using in 1 of packages. i'd love rollout new version fix before late.

i rolled out version drops node < 4 support patch version number increment, , complaints breakage few hours later.

as npm install --save includes full semver in package.json. makes impossible deployment machines runs different version of node resolve package earlier version.

if increase minor version or major version, users face same issue after using npm install --save.

i know user should use same version dev , production, , npm right thing them. not perfect world. there way make rollout transparent end users using npm features?


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