e-release-22">Maintenance release</h3>
<p>Maintenance release</p>
<h2 id="contents-22">Contents</h2>
<p><strong>Fixed bugs list</strong> Headline ——– Update License information Solve compilation issue when using IAR V8.30.1 Add ping feature</p>
<h2 id="known-limitations-22">known limitations</h2>
<h2 id="development-toolchains-and-compilers-22">Development Toolchains and Compilers</h2>
<ul>
<li>IAR Embedded Workbench for ARM (EWARM) toolchain V8.20.2</li>
<li>RealView Microcontroller Development Kit (