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<div class="section" id="id1">
<h1>5.4.1<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h1>
<p>This release fixes regressions in 5.4.0.</p>
<div class="section" id="installation-on-termux">
<h2>Installation on Termux<a class="headerlink" href="#installation-on-termux" title="Permalink to this headline">¶</a></h2>
<p>A change to the way Pillow detects libraries during installed prevented
installation on Termux, which does not have <code class="docutils literal notranslate"><span class="pre">/sbin/ldconfig</span></code>. This is now
fixed.</p>
</div>
<div class="section" id="png-handle-idat-chunks-after-image-end">
<h2>PNG: Handle IDAT chunks after image end<a class="headerlink" href="#png-handle-idat-chunks-after-image-end" title="Permalink to this headline">¶</a></h2>
<p>Some PNG images have multiple IDAT chunks. In some cases, Pillow will stop
reading image data before the IDAT chunks finish. A regression caused an
<code class="docutils literal notranslate"><span class="pre">EOFError</span></code> exception when previously there was none. This is now fixed, and
file reading continues in case there are subsequent text chunks.</p>
</div>
<div class="section" id="png-mime-type">
<h2>PNG: MIME type<a class="headerlink" href="#png-mime-type" title="Permalink to this headline">¶</a></h2>
<p>The addition of limited APNG support to the PNG plugin also overwrote the MIME
type for PNG files, causing “image/apng” to be returned as the MIME type of
both APNG and PNG files. This has been fixed so the MIME type of PNG files is
“image/png”.</p>
</div>
<div class="section" id="file-closing">
<h2>File closing<a class="headerlink" href="#file-closing" title="Permalink to this headline">¶</a></h2>
<p>A regression caused an unsupported image file to report a
<code class="docutils literal notranslate"><span class="pre">ValueError:</span> <span class="pre">seek</span> <span class="pre">of</span> <span class="pre">closed</span> <span class="pre">file</span></code> exception instead of an <code class="docutils literal notranslate"><span class="pre">OSError</span></code>. This
has been fixed by ensuring that image plugins only close their internal <code class="docutils literal notranslate"><span class="pre">__fp</span></code>
if they are not the same as <code class="docutils literal notranslate"><span class="pre">ImageFile</span></code>’s <code class="docutils literal notranslate"><span class="pre">fp</span></code>, allowing each to manage their own
file pointers.</p>
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