diff --git a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
index f178dc2824e..62dae070400 100644
--- a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
+++ b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
@@ -77,9 +77,10 @@ ClangCodeModelPlugin::~ClangCodeModelPlugin()
 
 void ClangCodeModelPlugin::initialize()
 {
-    TaskHub::addCategory({Constants::TASK_CATEGORY_DIAGNOSTICS, Tr::tr("Clang Code Model")});
-    CppEditor::CppModelManager::activateClangCodeModel(
-        std::make_unique<ClangModelManagerSupport>());
+    TaskHub::addCategory({Constants::TASK_CATEGORY_DIAGNOSTICS,
+                          Tr::tr("Clang Code Model"),
+                          Tr::tr("C++ code issues that Clangd found in the current document.")});
+    CppEditor::CppModelManager::activateClangCodeModel(std::make_unique<ClangModelManagerSupport>());
     createCompilationDBAction();
 
 #ifdef WITH_TESTS
diff --git a/src/plugins/clangtools/clangtoolsplugin.cpp b/src/plugins/clangtools/clangtoolsplugin.cpp
index 57b11d61b51..8a5815f116b 100644
--- a/src/plugins/clangtools/clangtoolsplugin.cpp
+++ b/src/plugins/clangtools/clangtoolsplugin.cpp
@@ -89,7 +89,9 @@ ClangToolsPlugin::~ClangToolsPlugin()
 
 void ClangToolsPlugin::initialize()
 {
-    TaskHub::addCategory({taskCategory(), Tr::tr("Clang Tools")});
+    TaskHub::addCategory({taskCategory(),
+                          Tr::tr("Clang Tools"),
+                          Tr::tr("Issues that Clang-Tidy and Clazy found when analyzing code.")});
 
     // Import tidy/clazy diagnostic configs from CppEditor now
     // instead of at opening time of the settings page
diff --git a/src/plugins/debugger/debuggerinternalconstants.h b/src/plugins/debugger/debuggerinternalconstants.h
index 5c4205b5a8f..bb3e5181ee2 100644
--- a/src/plugins/debugger/debuggerinternalconstants.h
+++ b/src/plugins/debugger/debuggerinternalconstants.h
@@ -42,7 +42,6 @@ const char C_DEBUGGER_NOTRUNNING[]            = "Debugger.NotRunning";
 
 const char PRESET_PERSPECTIVE_ID[]            = "Debugger.Perspective.Preset";
 
-const char TASK_CATEGORY_DEBUGGER_DEBUGINFO[] = "Debuginfo";
 const char TASK_CATEGORY_DEBUGGER_RUNTIME[]   = "DebugRuntime";
 
 const char TEXT_MARK_CATEGORY_BREAKPOINT[]    = "Debugger.Mark.Breakpoint";
diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index b76eb6c932a..9e1217307f9 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -723,7 +723,9 @@ DebuggerPluginPrivate::DebuggerPluginPrivate(const QStringList &arguments)
 
     // Task integration.
     //: Category under which Analyzer tasks are listed in Issues view
-    TaskHub::addCategory({ANALYZERTASK_ID, Tr::tr("Debugger")});
+    TaskHub::addCategory({ANALYZERTASK_ID,
+                          Tr::tr("Valgrind"),
+                          Tr::tr("Issues that the Valgrind tools found when analyzing the code.")});
 
     const Context debuggerNotRunning(C_DEBUGGER_NOTRUNNING);
     ICore::addAdditionalContext(debuggerNotRunning);
@@ -765,8 +767,9 @@ DebuggerPluginPrivate::DebuggerPluginPrivate(const QStringList &arguments)
     act->setEnabled(false);
     Command *cmd = ActionManager::registerAction(act, Constants::OPEN_MEMORY_EDITOR);
 
-    TaskHub::addCategory({TASK_CATEGORY_DEBUGGER_DEBUGINFO, Tr::tr("Debug Information")});
-    TaskHub::addCategory({TASK_CATEGORY_DEBUGGER_RUNTIME, Tr::tr("Debugger Runtime")});
+    TaskHub::addCategory({TASK_CATEGORY_DEBUGGER_RUNTIME,
+                          Tr::tr("Debugger Runtime"),
+                          Tr::tr("Issues with starting the debugger.")});
 
     m_debuggerSettings.readSettings();
 
diff --git a/src/plugins/debugger/debuggerruncontrol.cpp b/src/plugins/debugger/debuggerruncontrol.cpp
index fa2aa3da693..95eb60c83c1 100644
--- a/src/plugins/debugger/debuggerruncontrol.cpp
+++ b/src/plugins/debugger/debuggerruncontrol.cpp
@@ -427,7 +427,6 @@ void DebuggerRunTool::addSearchDirectory(const Utils::FilePath &dir)
 
 void DebuggerRunTool::start()
 {
-    TaskHub::clearTasks(Constants::TASK_CATEGORY_DEBUGGER_DEBUGINFO);
     TaskHub::clearTasks(Constants::TASK_CATEGORY_DEBUGGER_RUNTIME);
 
     if (d->portsGatherer) {
diff --git a/src/plugins/nim/nimconstants.h b/src/plugins/nim/nimconstants.h
index 5c66be9f295..868fb0b96ee 100644
--- a/src/plugins/nim/nimconstants.h
+++ b/src/plugins/nim/nimconstants.h
@@ -42,9 +42,6 @@ const QString C_NIMCOMPILERBUILDSTEP_TARGETNIMFILE = QStringLiteral("Nim.NimComp
 // NimCompilerCleanStep
 const char C_NIMCOMPILERCLEANSTEP_ID[] = "Nim.NimCompilerCleanStep";
 
-// Nim task category (Issues pane)
-const char C_NIMPARSE_ID[] = "Nim.NimParse";
-
 const char C_NIMLANGUAGE_ID[] = "Nim";
 const char C_NIMCODESTYLESETTINGSPAGE_ID[] = "Nim.NimCodeStyleSettings";
 const char C_NIMCODESTYLESETTINGSPAGE_CATEGORY[] = "Z.Nim";
diff --git a/src/plugins/nim/nimplugin.cpp b/src/plugins/nim/nimplugin.cpp
index 47138b906a1..2ffcadfbf27 100644
--- a/src/plugins/nim/nimplugin.cpp
+++ b/src/plugins/nim/nimplugin.cpp
@@ -97,7 +97,6 @@ void NimPlugin::extensionsInitialized()
         FileIconProvider::registerIconOverlayForMimeType(icon, Constants::C_NIM_SCRIPT_MIMETYPE);
         FileIconProvider::registerIconOverlayForMimeType(icon, Constants::C_NIMBLE_MIMETYPE);
     }
-    TaskHub::addCategory({Constants::C_NIMPARSE_ID, "Nim"});
 }
 
 } // namespace Nim
diff --git a/src/plugins/nim/project/nimblebuildsystem.cpp b/src/plugins/nim/project/nimblebuildsystem.cpp
index 3a8ccb08d62..baed02b5254 100644
--- a/src/plugins/nim/project/nimblebuildsystem.cpp
+++ b/src/plugins/nim/project/nimblebuildsystem.cpp
@@ -39,7 +39,7 @@ static std::vector<NimbleTask> parseTasks(const FilePath &nimblePath, const File
     std::vector<NimbleTask> result;
 
     if (process.exitCode() != 0) {
-        TaskHub::addTask(Task(Task::Error, process.cleanedStdOut(), {}, -1, Constants::C_NIMPARSE_ID));
+        TaskHub::addTask(ProjectExplorer::BuildSystemTask(Task::Error, process.cleanedStdOut()));
         return result;
     }
 
@@ -67,7 +67,7 @@ static NimbleMetadata parseMetadata(const FilePath &nimblePath, const FilePath &
     NimbleMetadata result = {};
 
     if (process.exitCode() != 0) {
-        TaskHub::addTask(Task(Task::Error, process.cleanedStdOut(), {}, -1, Constants::C_NIMPARSE_ID));
+        TaskHub::addTask(ProjectExplorer::BuildSystemTask(Task::Error, process.cleanedStdOut()));
         return result;
     }
     const QList<QByteArray> &lines = linesFromProcessOutput(&process);
@@ -141,7 +141,6 @@ void NimbleBuildSystem::triggerParsing()
 
 void NimbleBuildSystem::updateProject()
 {
-    TaskHub::clearTasks(Constants::C_NIMPARSE_ID);
     const FilePath projectDir = projectDirectory();
     const FilePath nimble = Nim::nimblePathFromKit(kit());
 
diff --git a/src/plugins/projectexplorer/buildmanager.cpp b/src/plugins/projectexplorer/buildmanager.cpp
index 5a9575743fa..76336d3aa13 100644
--- a/src/plugins/projectexplorer/buildmanager.cpp
+++ b/src/plugins/projectexplorer/buildmanager.cpp
@@ -293,16 +293,26 @@ void BuildManager::extensionsInitialized()
 {
     TaskHub::addCategory({Constants::TASK_CATEGORY_COMPILE,
                           Tr::tr("Compile", "Category for compiler issues listed under 'Issues'"),
-                          true, 100});
-    TaskHub::addCategory({Constants::TASK_CATEGORY_BUILDSYSTEM,
-                          Tr::tr("Build System", "Category for build system issues listed under 'Issues'"),
-                          true, 100});
-    TaskHub::addCategory({Constants::TASK_CATEGORY_DEPLOYMENT,
-                          Tr::tr("Deployment", "Category for deployment issues listed under 'Issues'"),
-                          true, 100});
+                          Tr::tr("Issues parsed from the compile output."),
+                          true,
+                          100});
+    TaskHub::addCategory(
+        {Constants::TASK_CATEGORY_BUILDSYSTEM,
+         Tr::tr("Build System", "Category for build system issues listed under 'Issues'"),
+         Tr::tr("Issues from the build system, such as CMake or qmake."),
+         true,
+         100});
+    TaskHub::addCategory(
+        {Constants::TASK_CATEGORY_DEPLOYMENT,
+         Tr::tr("Deployment", "Category for deployment issues listed under 'Issues'"),
+         Tr::tr("Issues found when deploying applications to devices."),
+         true,
+         100});
     TaskHub::addCategory({Constants::TASK_CATEGORY_AUTOTEST,
                           Tr::tr("Autotests", "Category for autotest issues listed under 'Issues'"),
-                          true, 100});
+                          Tr::tr("Issues found when running tests."),
+                          true,
+                          100});
 }
 
 void BuildManager::buildProjectWithoutDependencies(Project *project)
diff --git a/src/plugins/projectexplorer/projectexplorer.cpp b/src/plugins/projectexplorer/projectexplorer.cpp
index bb473b900ea..9b9ae3886ab 100644
--- a/src/plugins/projectexplorer/projectexplorer.cpp
+++ b/src/plugins/projectexplorer/projectexplorer.cpp
@@ -2075,8 +2075,11 @@ void ProjectExplorerPlugin::extensionsInitialized()
 
     BuildManager::extensionsInitialized();
     TaskHub::addCategory({Constants::TASK_CATEGORY_SANITIZER,
-                          Tr::tr("Sanitizer", "Category for sanitizer issues listed under 'Issues'")});
-    TaskHub::addCategory({Constants::TASK_CATEGORY_TASKLIST_ID, Tr::tr("My Tasks")});
+                          Tr::tr("Sanitizer", "Category for sanitizer issues listed under 'Issues'"),
+                          Tr::tr("Memory handling issues that the address sanitizer found.")});
+    TaskHub::addCategory({Constants::TASK_CATEGORY_TASKLIST_ID,
+                          Tr::tr("My Tasks"),
+                          Tr::tr("Issues from a task list file (.tasks).")});
 
     SshSettings::loadSettings(ICore::settings());
     const auto searchPathRetriever = [] {
diff --git a/src/plugins/projectexplorer/taskhub.h b/src/plugins/projectexplorer/taskhub.h
index 1822129bc26..0afc8d51f47 100644
--- a/src/plugins/projectexplorer/taskhub.h
+++ b/src/plugins/projectexplorer/taskhub.h
@@ -17,6 +17,7 @@ class PROJECTEXPLORER_EXPORT TaskCategory
 public:
     Utils::Id id;
     QString displayName;
+    QString description;
     bool visible = true;
     int priority = 0;
 };
diff --git a/src/plugins/projectexplorer/taskwindow.cpp b/src/plugins/projectexplorer/taskwindow.cpp
index 7e41ef26cff..ec174887b2e 100644
--- a/src/plugins/projectexplorer/taskwindow.cpp
+++ b/src/plugins/projectexplorer/taskwindow.cpp
@@ -21,6 +21,7 @@
 #include <coreplugin/session.h>
 
 #include <utils/algorithm.h>
+#include <utils/execmenu.h>
 #include <utils/fileinprojectfinder.h>
 #include <utils/hostosinfo.h>
 #include <utils/itemviews.h>
@@ -221,6 +222,7 @@ TaskWindow::TaskWindow() : d(std::make_unique<TaskWindowPrivate>())
 
     d->m_categoriesMenu = new QMenu(d->m_categoriesButton);
     connect(d->m_categoriesMenu, &QMenu::aboutToShow, this, &TaskWindow::updateCategoriesMenu);
+    Utils::addToolTipsToMenu(d->m_categoriesMenu);
 
     d->m_categoriesButton->setMenu(d->m_categoriesMenu);
 
@@ -475,6 +477,7 @@ void TaskWindow::updateCategoriesMenu()
         auto action = new QAction(d->m_categoriesMenu);
         action->setCheckable(true);
         action->setText(c.displayName);
+        action->setToolTip(c.description);
         action->setChecked(!filteredCategories.contains(c.id));
         connect(action, &QAction::triggered, this, [this, action, id = c.id] {
             setCategoryVisibility(id, action->isChecked());
diff --git a/src/plugins/python/pythonplugin.cpp b/src/plugins/python/pythonplugin.cpp
index 55377c57222..bc95ddd2aa8 100644
--- a/src/plugins/python/pythonplugin.cpp
+++ b/src/plugins/python/pythonplugin.cpp
@@ -8,6 +8,7 @@
 #include "pythonproject.h"
 #include "pythonrunconfiguration.h"
 #include "pythonsettings.h"
+#include "pythontr.h"
 #include "pythonwizardpage.h"
 
 #include <projectexplorer/buildtargetinfo.h>
@@ -70,7 +71,10 @@ void PythonPlugin::extensionsInitialized()
                                                                ::Constants::FILEOVERLAY_PY);
     FileIconProvider::registerIconOverlayForSuffix(imageFile, "py");
 
-    TaskHub::addCategory({PythonErrorTaskCategory, "Python", true});
+    TaskHub::addCategory({PythonErrorTaskCategory,
+                          "Python",
+                          Tr::tr("Issues parsed from Python runtime output."),
+                          true});
 }
 
 } // Python::Internal
diff --git a/src/plugins/qmldesigner/assetexporterplugin/assetexporterplugin.cpp b/src/plugins/qmldesigner/assetexporterplugin/assetexporterplugin.cpp
index 6e66a9bba17..ea0899d07c6 100644
--- a/src/plugins/qmldesigner/assetexporterplugin/assetexporterplugin.cpp
+++ b/src/plugins/qmldesigner/assetexporterplugin/assetexporterplugin.cpp
@@ -39,7 +39,9 @@ namespace QmlDesigner {
 AssetExporterPlugin::AssetExporterPlugin()
 {
     ProjectExplorer::TaskHub::addCategory({Constants::TASK_CATEGORY_ASSET_EXPORT,
-                                           tr("Asset Export"), false});
+                                           tr("Asset Export"),
+                                           tr("Issues with exporting assets."),
+                                           false});
 
     auto *designerPlugin = QmlDesigner::QmlDesignerPlugin::instance();
     auto &viewManager = designerPlugin->viewManager();
diff --git a/src/plugins/qmljseditor/qmljseditorplugin.cpp b/src/plugins/qmljseditor/qmljseditorplugin.cpp
index d0393e2df2a..b0736b29d15 100644
--- a/src/plugins/qmljseditor/qmljseditorplugin.cpp
+++ b/src/plugins/qmljseditor/qmljseditorplugin.cpp
@@ -205,8 +205,13 @@ void QmlJSEditorPlugin::extensionsInitialized()
     FileIconProvider::registerIconOverlayForMimeType(ProjectExplorer::Constants::FILEOVERLAY_UI,
                                                      "application/x-qt.ui+qml");
 
-    TaskHub::addCategory({Constants::TASK_CATEGORY_QML, Tr::tr("QML")});
-    TaskHub::addCategory({Constants::TASK_CATEGORY_QML_ANALYSIS, Tr::tr("QML Analysis"), false});
+    TaskHub::addCategory({Constants::TASK_CATEGORY_QML,
+                          Tr::tr("QML"),
+                          Tr::tr("Issues that the QML code parser found.")});
+    TaskHub::addCategory({Constants::TASK_CATEGORY_QML_ANALYSIS,
+                          Tr::tr("QML Analysis"),
+                          Tr::tr("Issues that the QML static analyzer found."),
+                          false});
     QmllsSettingsManager::instance()->setupAutoupdate();
 }