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<title>Nine Nines: Changes since Cowboy 2.2</title>
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<h1 class="lined-header"><span>Changes since Cowboy 2.2</span></h1>
<div class="paragraph"><p>The following patch versions were released since Cowboy 2.2:</p></div>
<div class="sect1">
<h2 id="_cowboy_2_2_2">Cowboy 2.2.2</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
While fixing the miscount in the previous patch release an
issue was introduced where HTTP/2 bodies could be sent out
of orders when using iolists. This has been corrected.
</p>
</li>
</ul></div>
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<div class="sect1">
<h2 id="_cowboy_2_2_1">Cowboy 2.2.1</h2>
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<div class="ulist"><ul>
<li>
<p>
Colons are now allowed within path segments in routes provided
to <code>cowboy_router:compile/1</code> as long as they are not the first
character of the path segment.
</p>
</li>
<li>
<p>
The <code>cowboy_req:delete_resp_header/2</code> function will no longer
crash when no response header was set before calling it.
</p>
</li>
<li>
<p>
A miscount of the output HTTP/2 flow control window has been
fixed. It prevented sending the response body fully with some
clients. The issue only affected response bodies sent as iolists.
</p>
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Middlewares
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<a style="float:right" href="https://ninenines.eu/docs/en/cowboy/2.2/guide/migrating_from_2.1/">
Migrating from Cowboy 2.1 to 2.2
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Cowboy
2.2
User Guide
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<li><a href="/docs/en/cowboy/2.4/guide">2.4</a></li>
<li><a href="/docs/en/cowboy/2.3/guide">2.3</a></li>
<li><a href="/docs/en/cowboy/2.2/guide">2.2</a></li>
<li><a href="/docs/en/cowboy/2.1/guide">2.1</a></li>
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