{"id":29212,"date":"2020-08-20T14:03:54","date_gmt":"2020-08-20T21:03:54","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/dotnet\/?p=29212"},"modified":"2020-09-04T08:34:35","modified_gmt":"2020-09-04T15:34:35","slug":"august-2020-cumulative-update-preview","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/dotnet\/august-2020-cumulative-update-preview\/","title":{"rendered":".NET Framework August 2020 Cumulative Update Preview"},"content":{"rendered":"<p>Today, we are releasing the August 2020 Cumulative Update Preview Updates for .NET Framework.<\/p>\n<h3>Quality and Reliability<\/h3>\n<p>This release contains the following quality and reliability improvements.<\/p>\n<h5>CLR<span style=\"font-size: 12pt;\"><sup>1<\/sup><\/span><\/h5>\n<ul>\n<li>Addresses an issue with a crash on COM interop to properly return the hresult for the Out of Memory Exception<\/li>\n<li>Addresses an issue in some 32 bit apps where, in certain scenarios, the JIT might omit a function call<\/li>\n<li>Improved support for cleaning up private temporary certificate keys<\/li>\n<\/ul>\n<h5>WPF<span style=\"font-size: 12pt;\"><sup>2<\/sup><\/span><\/h5>\n<ul>\n<li>Improved spell checking so words like &#8220;etc.&#8221; and &#8220;e.g.&#8221; will no longer be identified as spelling errors when spell-checking is enabled in WPF TextBox or RichTextBox<\/li>\n<li>Addresses an issue with a null-reference crash in automation code, arising from re-entrancy when reconnection to a remote desktop<\/li>\n<\/ul>\n<p><sup>1 <\/sup>Common Language Runtime (CLR)<\/p>\n<p><sup>2 <\/sup>Windows Presentation Foundation (WPF)<\/p>\n<h3><a id=\"user-content-getting-the-update\" class=\"anchor\" href=\"#getting-the-update\"><\/a>Getting the Update<\/h3>\n<p>The Cumulative Update Preview is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog.<\/p>\n<h5><a id=\"user-content-microsoft-update-catalog\" class=\"anchor\" href=\"#microsoft-update-catalog\"><\/a>Microsoft Update Catalog<\/h5>\n<p>You can get the update via the Windows Update or Microsoft Update Catalog.<\/p>\n<p>**Note**: Customers that rely on Windows Update and Windows Server Update Services will automatically receive the .NET Framework version-specific updates. Advanced system administrators can also take use of the below direct Microsoft Update Catalog download links to .NET Framework-specific updates. Before applying these updates, please ensure that you carefully review the .NET Framework version applicability, to ensure that you only install updates on systems where they apply.<\/p>\n<p>The following table is for Windows 10 and Windows Server 2016+ versions.<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8px\">\n<thead>\n<tr>\n<th>Product Version<\/th>\n<th colspan=\"2\">Cumulative Update<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1909 and Windows Server, version 1909<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4570723\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4570723\" rel=\"nofollow\">4570723<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1903 and Windows Server, version 1903<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4570723\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4570723\" rel=\"nofollow\">4570723<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1809 (October 2018 Update) and Windows Server 2019<\/strong><\/td>\n<td><\/td>\n<td><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4571462\" rel=\"nofollow\">4571462<\/a><\/strong><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.7.2<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4570720\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4570720\" rel=\"nofollow\">4570720<\/a><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4570722\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4570722\" rel=\"nofollow\">4570722<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h5>Previous Monthly Rollups<\/h5>\n<p>The last few .NET Framework Monthly updates are listed below for your convenience:<\/p>\n<ul>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-august-2020-security-and-quality-rollup-updates\/\" rel=\"nofollow\"> August 2020 Security and Quality Rollup Updates<\/a><\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-july-2020-cumulative-update-preview-for-windows-10-version-2004\/\" rel=\"nofollow\"> July 2020 Cumulative Update Preview for Windows 10, version 2004<\/a><\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-july-2020-cumulative-update-preview\/\" rel=\"nofollow\"> July 2020 Cumulative Update Preview<\/a><\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-july-2020-security-and-quality-rollup-updates\/\" rel=\"nofollow\"> July 2020 Security and Quality Rollup Updates<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Today, we are releasing the August 2020 Cumulative Update Preview Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. CLR1 Addresses an issue with a crash on COM interop to properly return the hresult for the Out of Memory Exception Addresses an issue in some 32 bit apps [&hellip;]<\/p>\n","protected":false},"author":369,"featured_media":58792,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[685],"tags":[],"class_list":["post-29212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dotnet"],"acf":[],"blog_post_summary":"<p>Today, we are releasing the August 2020 Cumulative Update Preview Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. CLR1 Addresses an issue with a crash on COM interop to properly return the hresult for the Out of Memory Exception Addresses an issue in some 32 bit apps [&hellip;]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/posts\/29212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/users\/369"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/comments?post=29212"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/posts\/29212\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/media\/58792"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/media?parent=29212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/categories?post=29212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/tags?post=29212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}