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1 <h1 id="manifest_version">Manifest Version</h1>: | |
2 | |
3 <p> | |
4 One integer specifying the version of the manifest file format your package | |
5 requires. As of Chrome 18, developers <em>should</em> specify <code>2</code> | |
6 (without quotes) to use the format as described by this document: | |
7 </p> | |
8 | |
9 <pre class="prettyprint"><span class="str">"manifest_version"</span><span class=
"pun">:</span><span class="pln"> </span><span class="lit">2</span></pre> | |
10 | |
11 <p> | |
12 Consider manifest version 1 <em>deprecated</em> as of Chrome 18. Version 2 is | |
13 not yet <em>required</em>, but we will, at some point in the not-too-distant | |
14 future, stop supporting packages using deprecated manifest versions. Extensions, | |
15 applications, and themes that aren't ready to make the jump to the new manifest | |
16 version in Chrome 18 can either explicitly specify version <code>1</code>, or | |
17 leave the key off entirely. | |
18 </p> | |
19 | |
20 <p> | |
21 The changes between version 1 and version 2 of the manifest file format are | |
22 described in detail in <a href="http://developer.chrome.com/extensions/manifestV
ersion.html">the | |
23 <code>manifest_version</code> documentation.</a> | |
24 </p> | |
25 | |
26 <p class="caution"> | |
27 Setting <code>manifest_version</code> 2 in Chrome 17 or lower is not | |
28 recommended. If your extension needs to work in older versions of Chrome, | |
29 stick with version 1 for the moment. We'll give you ample warning before | |
30 version 1 stops working. | |
31 </p> | |
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