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 <h1><a name="Math-NET-Numerics-Release-Notes" class="anchor" href="#Math-NET-Numerics-Release-Notes">Math.NET Numerics Release Notes</a></h1>
 <p><a href="ReleaseNotes.html">Math.NET Numerics</a> | <a href="ReleaseNotes-MKL.html">MKL Provider</a> | <a href="ReleaseNotes-OpenBLAS.html">OpenBLAS Provider</a> | <a href="ReleaseNotes-Data.html">Data Extensions</a></p>
+<h3><a name="4-9-0-2019-10-13" class="anchor" href="#4-9-0-2019-10-13">4.9.0 - 2019-10-13</a></h3>
+<ul>
+<li>Integration: Substitution for open intervals <em>~Jong Hyun Kim</em></li>
+<li>Integration: Gaus-Kronrod Quadrature <em>~Jong Hyun Kim</em></li>
+<li>Integration: Complex contour <em>~Jong Hyun Kim</em></li>
+<li>Distributions: Three parameter Burr (Type XII) <em>~Philip Gruber</em></li>
+<li>Distributions: Inverse Gaussian <em>~Philip Gruber</em></li>
+<li>Distributions: Truncated Pareto <em>~Philip Gruber</em></li>
+<li>Optimization: Detect early completion in BFGS-B minimizer <em>~Tom McTiernan</em></li>
+</ul>
 <h3><a name="4-8-1-2019-06-12" class="anchor" href="#4-8-1-2019-06-12">4.8.1 - 2019-06-12</a></h3>
 <ul>
 <li>Packaging fix - signed edition was not properly strong named.</li>