Meteor 1.3 React npm conflict
<p>I'm upgrading from Meteor 1.2 to 1.3, and running into a NPM dependency issue with React. When I install the latest version of React (15.0.1), Meteor wants an earlier version (0.14.x). Then, I change my package.json file to 0.14.8, but Meteor wants (15.0.1). </p>

<p>Specifically, </p>

<p>When I install the npm React packages mentioned in the "<a href="http://guide.meteor.com/1.3-migration.html" rel="nofollow">Migrating to Meteor 1.3</a>" doc, Meteor wants every package to use an earlier version:</p>

<pre><code>W20160412-14:56:42.318(-5)? (STDERR) WARNING: npm peer requirements not installed:
W20160412-14:56:42.318(-5)? (STDERR) - react@15.0.1 installed, react@0.14.x needed
W20160412-14:56:42.319(-5)? (STDERR) - react-dom@15.0.1 installed, react-dom@0.14.x needed
W20160412-14:56:42.319(-5)? (STDERR) - react-addons-transition-group@15.0.1 installed, react-addons-transition-group@0.14.x needed
W20160412-14:56:42.319(-5)? (STDERR) - react-addons-css-transition-group@15.0.1 installed, react-addons-css-transition-group@0.14.x needed
W20160412-14:56:42.319(-5)? (STDERR) - react-addons-linked-state-mixin@15.0.1 installed, react-addons-linked-state-mixin@0.14.x needed
W20160412-14:56:42.319(-5)? (STDERR) - react-addons-create-fragment@15.0.1 installed, react-addons-create-fragment@0.14.x needed
W20160412-14:56:42.319(-5)? (STDERR) - react-addons-update@15.0.1 installed, react-addons-update@0.14.x needed
W20160412-14:56:42.319(-5)? (STDERR) - react-addons-pure-render-mixin@15.0.1 installed, react-addons-pure-render-mixin@0.14.x needed
W20160412-14:56:42.320(-5)? (STDERR) - react-addons-test-utils@15.0.1 installed, react-addons-test-utils@0.14.x needed
W20160412-14:56:42.320(-5)? (STDERR) - react-addons-perf@15.0.1 installed, react-addons-perf@0.14.x needed
</code></pre>

<p>But, when I go into package.json and downgrade these packages to 0.14.8, I get this error</p>

<pre><code>W20160412-17:31:33.167(-5)? (STDERR) WARNING: npm peer requirements not installed:
W20160412-17:31:33.169(-5)? (STDERR) - react@0.14.8 installed, react@15.x needed
W20160412-17:31:33.169(-5)? (STDERR) - react-addons-pure-render-mixin@0.14.8 installed, react-addons-pure-render-mixin@15.x needed
</code></pre>