<h3 id="ultraviolet-v0-4"><a href="https://grayolson.me/blog/posts/ultraviolet-0.4">ultraviolet v0.4</a>&nbsp;<a class="anchor" href="#ultraviolet-v0-4" aria-hidden="true">#</a>

<p><img src="https://rust-gamedev.github.io/posts/newsletter-005/rayn.png" alt="Rayn output example - this renderer uses ultraviolet for its math" /></p>

but <em>fast</em>, both in terms of productivity and in terms of runtime performance.</p>

<p>This month <a href="https://grayolson.me/blog/posts/ultraviolet-0.4">ultraviolet v0.4</a> was released by <a href="https://twitter.com/fu5ha">@fu5ha</a>.

It brings

&lt;h3 id=&quot;ultraviolet-v0-4&quot;&gt;&lt;a href=&quot;https:&#x2F;&#x2F;grayolson.me&#x2F;blog&#x2F;posts&#x2F;ultraviolet-0.4&quot;&gt;ultraviolet v0.4&lt;&#x2F;a&gt;&amp;nbsp;&lt;a class=&quot;anchor&quot; href=&quot;#ultraviolet-v0-4&quot; aria-hidden=&quot;true&quot;&gt;#&lt;&#x2F;a&gt;

&lt;&#x2F;h3&gt;

&lt;p&gt;&lt;img src=&quot;https:&#x2F;&#x2F;rust-gamedev.github.io&#x2F;posts&#x2F;newsletter-005&#x2F;rayn.png&quot; alt=&quot;Rayn output example - this renderer uses ultraviolet for its math&quot; &#x2F;&gt;&lt;&#x2F;p&gt;

but &lt;em&gt;fast&lt;&#x2F;em&gt;, both in terms of productivity and in terms of runtime performance.&lt;&#x2F;p&gt;

&lt;p&gt;This month &lt;a href=&quot;https:&#x2F;&#x2F;grayolson.me&#x2F;blog&#x2F;posts&#x2F;ultraviolet-0.4&quot;&gt;ultraviolet v0.4&lt;&#x2F;a&gt; was released by &lt;a href=&quot;https:&#x2F;&#x2F;twitter.com&#x2F;fu5ha&quot;&gt;@fu5ha&lt;&#x2F;a&gt;.

It brings