<p><span class="h-card" translate="no"><a href="https://chaos.social/@gsuberland" class="u-url mention">@<span>gsuberland</span></a></span> Probably not in the spirit of the question but I find this one weird for actually keeping it in production. PIC18F6680. The errata is... eye opening. And yes, this did cause me some significant hassle some years back before this was in the errata.</p>