WTF Are Signals And Why Is Everyone So Hot On Them All Of The Sudden?

<p class="has-line-data" data-line-start="0" data-line-end="1">In this Hasty Treat, Scott and Wes talk about Signals - what are signals and why is everyone talking about them suddenly?</p> <h2 class="code-line" data-line-start="2" data-line-end="3"><a id= "Show_Notes_2"></a>Show Notes</h2> <ul> <li class="has-line-data" data-line-start="4" data-line-end="5"> <strong><a href="#t=00:25">00:25</a></strong> Welcome</li> <li class="has-line-data" data-line-start="5" data-line-end="6"> <strong><a href="#t=01:40">01:40</a></strong> Chipping away at projects</li> <li class="has-line-data" data-line-start="6" data-line-end="7"> <strong><a href="#t=03:20">03:20</a></strong> WTF are signals?</li> <li class="has-line-data" data-line-start="7" data-line-end="8"> <a href="https://github.com/preactjs/signals">Signals</a></li> <li class="has-line-data" data-line-start="8" data-line-end="9"> <a href="https://qwik.builder.io/">Framework reimagined for the edge! - Qwik</a></li> <li class="has-line-data" data-line-start="9" data-line-end="10"> <a href="https://www.solidjs.com/">SolidJS · Reactive Javascript Library</a></li> <li class="has-line-data" data-line-start="10" data-line-end="11"> <a href= "https://github.com/angular/angular/tree/main/packages/zone.js">Zone</a></li> <li class="has-line-data" data-line-start="11" data-line-end="12"> <a href= "https://codesandbox.io/s/07ktxc?file=/src/index.js">Vanilla</a></li> <li class="has-line-data" data-line-start="12" data-line-end="13"> <strong><a href="#t=09:03">09:03</a></strong> What are the boundaries on signals?</li> <li class="has-line-data" data-line-start="13" data-line-end="14"> <strong><a href="#t=10:49">10:49</a></strong> Why are signals so popular now?</li> <li class="has-line-data" data-line-start="14" data-line-end="16"> <strong><a href="#t=15:57">15:57</a></strong> When wouldn’t you use signals?</li> </ul> <h2 class="code-line" data-line-start="16" data-line-end="17"> <a id="Tweet_us_your_tasty_treats_16"></a>Tweet us your tasty treats</h2> <ul> <li class="has-line-data"