Keep fdbuild on x86 under the AnyCPU solution configuration and set the right output for BookmarkPanel on AnyCPU, it got changed after some merge I think.

Author: hector.espeso

External/Plugins/BookmarkPanel/BookmarkPanel.csproj

@@ -50,7 +50,7 @@
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>None</DebugType>
     <Optimize>true</Optimize>
-    <OutputPath>bin\</OutputPath>
+    <OutputPath>..\..\..\FlashDevelop\Bin\Debug\Plugins\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>

FlashDevelop.sln

@@ -1,6 +1,8 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2010
+# Visual Studio 14
+VisualStudioVersion = 14.0.23107.0
+MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FlashDevelop", "FlashDevelop\FlashDevelop.csproj", "{EFD07485-9A64-4EEC-94E7-ACBD4DA5CA93}"
 	ProjectSection(ProjectDependencies) = postProject
 		{61885F70-B4DC-4B44-852D-5D6D03F2A734} = {61885F70-B4DC-4B44-852D-5D6D03F2A734}
@@ -347,8 +349,8 @@ Global
 		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Debug|Any CPU.Build.0 = Debug|x86
 		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Debug|x86.ActiveCfg = Debug|x86
 		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Debug|x86.Build.0 = Debug|x86
-		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Release|Any CPU.ActiveCfg = Release|x86
+		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Release|Any CPU.Build.0 = Release|x86
 		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Release|x86.ActiveCfg = Release|x86
 		{FF680DE0-9CB7-45F4-BAFA-6EFFAAFD9C09}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection