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<h1>2017-12-02: Weekly News<a class="headerlink" href="#weekly-news" title="Permalink to this headline">¶</a></h1>
<p class="feed-meta"></p>
<p>Hello and welcome to another issue of <em>This Week in Blender Development</em>!
<a class="reference external" href="https://www.blender.org/">Blender</a> is the free and opensource 3D creation
suite for the next generation of artist. Follow the development on Twitter
<a class="reference external" href="https://twitter.com/BlenderDev">@BlenderDev</a>.</p>
<p><em>This Week in Blender Development</em> is openly developed on
<a class="reference external" href="https://github.com/ThisWeekInBlenderDev">Github</a>
so please report any recommendations, bugs, or PRs for this website there.</p>
<p>If you have idea for some great feature that you think should be part of Blender
try making a post on <a class="reference external" href="https://blender.community/c/rightclickselect/">https://blender.community/c/rightclickselect/</a></p>
<div class="admonition tip">
<p class="first admonition-title">Tip</p>
<p class="last">Remember, you can test any changes done in <cite>master</cite> or <cite>blender2.8</cite>
by going to the <a class="reference external" href="https://builder.blender.org/download/">developmental builds download page</a></p>
</div>
<div class="section" id="changes-to-blender">
<h2>Changes to Blender<a class="headerlink" href="#changes-to-blender" title="Permalink to this headline">¶</a></h2>
<p class="rubric">master</p>
<ul class="simple">
<li>5% speed improvement for subsurf modifier
<a class="reference external" href="http://developer.blender.org/rB1d33843ea6b128242183bb31804474019c606a9d">rB1d33843e</a></li>
<li>Haiku OS Support
<a class="reference external" href="http://developer.blender.org/rB28d2148b09a2d975876f4418bd5ba15ab5edea8d">rB28d2148b</a></li>
<li>Cycles: Improve denoising speed on GPUs with small tile sizes
<a class="reference external" href="http://developer.blender.org/rBfa3d50af95fde76ef08590d2f86444f2f9fdca95">rBfa3d50af</a></li>
<li>Select similar for bones by group index
<a class="reference external" href="http://developer.blender.org/rB099a99dbc9c4f166bb29bd91ea1048eb35c663d5">rB099a99db</a></li>
<li>Cycles: add object level holdout property
<a class="reference external" href="http://developer.blender.org/rBe4b54f44c1b19069de5818d47ce899c690e9b56d">rBe4b54f44</a></li>
<li>Cycles: 1-2% speed improvement
<a class="reference external" href="http://developer.blender.org/rB7e349f27457a8348c73cc81a4c4b66b34e379c26">rB7e349f27</a></li>
<li>PyAPI: add function to check any mathutils type
<a class="reference external" href="http://developer.blender.org/rBc17c6557b4ea4bfeb4528b74703795798aedaa66">rBc17c6557</a></li>
<li>PyAPI: Allow structs to define tags for their properties
<a class="reference external" href="http://developer.blender.org/rBad625acda82281461267a3379c57ce76d54325a1">rBad625acd</a></li>
<li>Speed up stabilization tracking by 50%
<a class="reference external" href="http://developer.blender.org/rBbf5b931d641926dfec147fe50909443e3ba65bea">rBbf5b931d</a></li>
<li>Sequencer: Add option to render OpenGL preview with DoF
<a class="reference external" href="http://developer.blender.org/rB9b42b3e11462e96bf24970971ab181122c6b33df">rB9b42b3e1</a></li>
<li>Speedup mask drawing by 5-10%
<a class="reference external" href="http://developer.blender.org/rB440aa2bf70468d630c1dc70c719aad67496a47d5">rB440aa2bf</a></li>
<li>Speedup mask rendering by 25%
<a class="reference external" href="http://developer.blender.org/rB06e64058dd687634b6bf873dbf21c6d3563ed6c9">rB06e64058</a></li>
<li>Speedup movie tracking by tracking 10-15%
<a class="reference external" href="http://developer.blender.org/rB440a49a24cb82fc78edfb6b2539d9ebd0f805a4c">rB440a49a2</a></li>
<li>Speed up subdividing by 20%
<a class="reference external" href="http://developer.blender.org/rB2b6f3455584b3949045b517ce4759bcda70daf8a">rB2b6f3455</a></li>
<li>Improve edge rotate when edges share faces
<a class="reference external" href="http://developer.blender.org/rB329bf8e1bf0e9c74a7ef9426dcb237df9ac1287d">rB329bf8e1</a></li>
</ul>
<p class="rubric">cycles_texture_cache</p>
<p>This branch adds a texture cache feature for rendering a large number
of largely sized textures in a pre-defined modest memory footprint.</p>
<p>See <a class="reference external" href="https://lists.blender.org/pipermail/bf-committers/2017-November/048938.html">This email</a> for more information.</p>
<p class="rubric">cycles_embree</p>
<p>This adds the <a class="reference external" href="https://embree.github.io/">Embree</a> raytracing kernels developed by Intel into Cycles.</p>
<p>See <a class="reference external" href="https://lists.blender.org/pipermail/bf-committers/2017-November/048936.html">This email</a> for more information.</p>
<p class="rubric">fluid-mantaflow</p>
<ul class="simple">
<li>Split viscosity settings into base and exponent
<a class="reference external" href="http://developer.blender.org/rBbc6ab0f0771e0a285b64fef8798d8f2aa91f0752">rBbc6ab0f0</a></li>
<li>Add settings for fluid diffusion (i.e. viscosity and surface tension)
<a class="reference external" href="http://developer.blender.org/rB02b271947e5bf0db62ee6b86f8d83920715b7a13">rB02b27194</a></li>
</ul>
<p class="rubric">blender2.8</p>
<ul class="simple">
<li>Groups and collection: create group from collection
<a class="reference external" href="http://developer.blender.org/rBaeaf87bbeb011e9a571eefa12d81fa6fb2b8bd5b">rBaeaf87bb</a></li>
<li>Groups and collection: initial integration
<a class="reference external" href="http://developer.blender.org/rBbe9e469ead227aee8d4c29b98a125cf599c5c8bb">rBbe9e469e</a></li>
<li>ID static override: add basic support for overriding animation
<a class="reference external" href="http://developer.blender.org/rB75eb219a2e21abe9c9909d76f85abbb538d8ef9f">rB75eb219a</a></li>
<li>ID static override: make basic object & bones transformations overridable
<a class="reference external" href="http://developer.blender.org/rB20ae4f928cecf78d5275c1226db87cb1ab22db50">rB20ae4f92</a></li>
<li>ID static override: make most Image properties overridable
<a class="reference external" href="http://developer.blender.org/rBbde39e51100b89aa21d1cb99ab17000c977a19b6">rBbde39e51</a></li>
<li>ID Static Override: add basic generic UI tools to control override of properties
<a class="reference external" href="http://developer.blender.org/rB0007873645149c022805a5f6668d48552148a813">rB00078736</a></li>
<li>ID Static Override: add basic UI feedback
<a class="reference external" href="http://developer.blender.org/rBe36b5f004dc3792e0ef8bdde54b3f65653571e50">rBe36b5f00</a></li>
<li>Merge ID static override, part I: core changes in DNA, BKE and .blend read/write
<a class="reference external" href="http://developer.blender.org/rB39b8a3306830957132931c2966c3c3afff5cdfb3">rB39b8a330</a></li>
</ul>
<p class="rubric">greasepencil-object</p>
<ul class="simple">
<li>New Gauss bell curve preset
<a class="reference external" href="http://developer.blender.org/rB4cbd5933f782312f05753847804d3efd1ff6de00">rB4cbd5933</a></li>
<li>Implement new cuve for multiframe falloff
<a class="reference external" href="http://developer.blender.org/rBc787419600f303b6d10fd7410a3f71eb260c3926">rBc7874196</a></li>
<li>GP Build Modifier - Layer Masking support
<a class="reference external" href="http://developer.blender.org/rBf86f826f192c768ac4bd7002089a19061e6b86fb">rBf86f826f</a></li>
<li>New Grease Pencil Offset modifier
<a class="reference external" href="http://developer.blender.org/rB0ecbe2171a074a5644cb1055ecaf93ab4b6773e9">rB0ecbe217</a></li>
<li>New VFX Flip modifier
<a class="reference external" href="http://developer.blender.org/rB2392dc82460bdc6a23679d0b3aa52b012d7b809d">rB2392dc82</a></li>
<li>Dopesheet jump frame in active layer
<a class="reference external" href="http://developer.blender.org/rBc29174eedf3d847f358919d0d4e6c8ccda2a2dd6">rBc29174ee</a></li>
</ul>
</div>
<div class="section" id="new-patches">
<h2>New Patches<a class="headerlink" href="#new-patches" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
<li>Cycles: Re-enabled motion blur for object scaling
<a class="reference external" href="http://developer.blender.org/D2937">D2937</a></li>
</ul>
</div>
<div class="section" id="other-projects">
<h2>Other Projects<a class="headerlink" href="#other-projects" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
<li><a class="reference external" href="https://lists.blender.org/pipermail/bf-committers/2017-December/048939.html">Blender game transition</a></li>
</ul>
</div>
<div class="section" id="documentation">
<h2>Documentation<a class="headerlink" href="#documentation" title="Permalink to this headline">¶</a></h2>
<p>Have a look at the 2.8 WIP release notes:
<a class="reference external" href="https://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.80">https://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.80</a></p>
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