diff --git a/sd/inc/unomodel.hxx b/sd/inc/unomodel.hxx
index 95cfafc..10b0013 100644
--- a/sd/inc/unomodel.hxx
+++ b/sd/inc/unomodel.hxx
@@ -297,6 +297,8 @@ public:
     SD_DLLPUBLIC OString getViewRenderState(SfxViewShell* pViewShell = nullptr) override;
 
     SD_DLLPUBLIC virtual void getCommandValues(tools::JsonWriter& rJsonWriter, std::string_view rCommand) override;
+    /// @see vcl::ITiledRenderable::supportsCommand().
+    SD_DLLPUBLIC virtual bool supportsCommand(std::u16string_view rCommand) override;
 
     /// @see vcl::ITiledRenderable::getPresentationInfo().
     SD_DLLPUBLIC OString getPresentationInfo(bool bAllyState = false) const override;
diff --git a/sd/sdi/sdraw.sdi b/sd/sdi/sdraw.sdi
index 165a56f..38859c6 100644
--- a/sd/sdi/sdraw.sdi
+++ b/sd/sdi/sdraw.sdi
@@ -2757,7 +2757,7 @@ SfxVoidItem ClearUndoStack SID_CLEAR_UNDO_STACK
 ]
 
 SfxVoidItem PresentationLayout SID_PRESENTATION_LAYOUT
-()
+(SfxStringItem Master FN_PARAM_1)
 [
     AutoUpdate = FALSE,
     FastCall = FALSE,
diff --git a/sd/source/ui/func/undopage.cxx b/sd/source/ui/func/undopage.cxx
index 174747b..2a808a8 100644
--- a/sd/source/ui/func/undopage.cxx
+++ b/sd/source/ui/func/undopage.cxx
@@ -19,12 +19,28 @@
 
 #include <undopage.hxx>
 #include <sdpage.hxx>
+#include <drawdoc.hxx>
+#include <unomodel.hxx>
+#include <comphelper/lok.hxx>
+#include <sfx2/lokhelper.hxx>
 
 
 SdPageFormatUndoAction::~SdPageFormatUndoAction()
 {
 }
 
+namespace
+{
+/// LOK clients read a slide's size only when told.
+void lcl_NotifySize(SdPage& rPage)
+{
+    if (comphelper::LibreOfficeKit::isActive() && !rPage.IsMasterPage()
+        && rPage.GetPageKind() == PageKind::Standard)
+        SfxLokHelper::notifyDocumentSizeChangedAllViews(
+            static_cast<SdDrawDocument&>(rPage.getSdrModelFromSdrPage()).getUnoModel());
+}
+}
+
 void SdPageFormatUndoAction::Undo()
 {
     ::tools::Rectangle aOldBorderRect(mnOldLeft, mnOldUpper, mnOldRight, mnOldLower);
@@ -40,7 +56,7 @@ void SdPageFormatUndoAction::Undo()
     mpPage->SetBackgroundFullSize( mbOldFullSize );
     if( !mpPage->IsMasterPage() )
         static_cast<SdPage&>( mpPage->TRG_GetMasterPage() ).SetBackgroundFullSize( mbOldFullSize );
-
+    lcl_NotifySize(*mpPage);
 }
 
 void SdPageFormatUndoAction::Redo()
@@ -58,7 +74,7 @@ void SdPageFormatUndoAction::Redo()
     mpPage->SetBackgroundFullSize( mbNewFullSize );
     if( !mpPage->IsMasterPage() )
         static_cast<SdPage&>( mpPage->TRG_GetMasterPage() ).SetBackgroundFullSize( mbNewFullSize );
-
+    lcl_NotifySize(*mpPage);
 }
 
 SdPageLRUndoAction::~SdPageLRUndoAction()
diff --git a/sd/source/ui/unoidl/unomodel.cxx b/sd/source/ui/unoidl/unomodel.cxx
index ea6ce5b..f47b443 100644
--- a/sd/source/ui/unoidl/unomodel.cxx
+++ b/sd/source/ui/unoidl/unomodel.cxx
@@ -189,6 +189,8 @@
 #include <controller/SlsPageSelector.hxx>
 
 #include <app.hrc>
+#include <svx/ColorSets.hxx>
+#include <docmodel/theme/Theme.hxx>
 
 using namespace ::cppu;
 using namespace ::com::sun::star;
@@ -2042,9 +2044,44 @@ void SdXImpressDocument::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
     SfxBaseModel::Notify( rBC, rHint );
 }
 
+bool SdXImpressDocument::supportsCommand(std::u16string_view rCommand)
+{
+    return rCommand == u"SlideDesign";
+}
+
+namespace
+{
+/// Masters, color sets, and the shown slide's design.
+void lcl_SlideDesign(::tools::JsonWriter& rJson, SdDrawDocument& rDoc, sd::DrawViewShell& rShell)
+{
+    SdPage* pPage = rShell.GetActualPage();
+    const SdPage& rMaster = pPage->IsMasterPage() ? *pPage : static_cast<const SdPage&>(pPage->TRG_GetMasterPage());
+    {
+        auto aMasters = rJson.startArray("masters");
+        for (sal_uInt16 i = 0; i < rDoc.GetMasterSdPageCount(PageKind::Standard); ++i)
+            rJson.putSimpleValue(rDoc.GetMasterSdPage(i, PageKind::Standard)->GetName());
+    }
+    rJson.put("master", rMaster.GetName());
+    rJson.put("masterView", rShell.GetEditMode() == EditMode::MasterPage);
+    rJson.put("layout", static_cast<sal_Int32>(pPage->GetAutoLayout()));
+    const auto& pTheme = rMaster.getSdrPageProperties().getTheme();
+    const auto pSet = pTheme ? pTheme->getColorSet() : nullptr;
+    rJson.put("theme", pSet ? pSet->getName() : OUString());
+    auto aThemes = rJson.startArray("themes");
+    for (const model::ColorSet& rSet : svx::ColorSets::get().getColorSetVector())
+        rJson.putSimpleValue(rSet.getName());
+}
+}
+
 void SdXImpressDocument::getCommandValues(::tools::JsonWriter& rJsonWriter, std::string_view rCommand)
 {
     static constexpr OStringLiteral aExtractDocStructure(".uno:ExtractDocumentStructure");
+    if (rCommand == ".uno:SlideDesign")
+    {
+        if (auto pShell = dynamic_cast<sd::DrawViewShell*>(mpDocShell->GetViewShell()))
+            lcl_SlideDesign(rJsonWriter, *mpDoc, *pShell);
+        return;
+    }
 
     std::map<OUString, OUString> aMap
         = SfxLokHelper::parseCommandParameters(OUString::fromUtf8(rCommand));
diff --git a/sd/source/ui/view/drviews2.cxx b/sd/source/ui/view/drviews2.cxx
index d0b3ead..b1f1461 100644
--- a/sd/source/ui/view/drviews2.cxx
+++ b/sd/source/ui/view/drviews2.cxx
@@ -210,6 +210,8 @@
 #include <boost/property_tree/json_parser.hpp>
 #include <rtl/uri.hxx>
 #include <editeng/editeng.hxx>
+#include <svx/ColorSets.hxx>
+#include "../sidebar/DocumentHelper.hxx"
 
 
 using namespace ::com::sun::star;
@@ -1561,8 +1563,13 @@ void DrawViewShell::FuTemporary(SfxRequest& rReq)
 
                 Size aSize (pWidth->GetValue (), pHeight->GetValue ());
 
-                SetupPage (aSize, 0, 0, 0, 0, true, false, pScaleAll->GetValue ());
-                rReq.Ignore ();
+                // The dialog's path: one undo step, orientation follows.
+                SdPage* pPage = GetActualPage();
+                SdPage* pMaster = pPage->IsMasterPage() ? pPage : &static_cast<SdPage&>(pPage->TRG_GetMasterPage());
+                SetPageSizeAndBorder(GetPageKind(), aSize, -1, -1, -1, -1, pScaleAll->GetValue(),
+                                     aSize.Width() >= aSize.Height() ? Orientation::Landscape : Orientation::Portrait,
+                                     pPage->GetPaperBin(), pMaster->IsBackgroundFullSize());
+                rReq.Done ();
                 break;
             }
 #if HAVE_FEATURE_SCRIPTING
@@ -2188,6 +2195,24 @@ void DrawViewShell::FuTemporary(SfxRequest& rReq)
 
         case SID_PRESENTATION_LAYOUT:
         {
+            // A kit client names the master for this slide.
+            if (const SfxStringItem* pName = rReq.GetArg<SfxStringItem>(FN_PARAM_1))
+            {
+                SdPage* pMaster = nullptr;
+                for (sal_uInt16 i = 0; i < GetDoc()->GetMasterSdPageCount(PageKind::Standard); ++i)
+                    if (GetDoc()->GetMasterSdPage(i, PageKind::Standard)->GetName() == pName->GetValue())
+                        pMaster = GetDoc()->GetMasterSdPage(i, PageKind::Standard);
+                SdPage* pPage = GetActualPage();
+                if (!pMaster || pPage->IsMasterPage())
+                {
+                    rReq.Ignore();
+                    break;
+                }
+                auto pPages = std::make_shared<std::vector<SdPage*>>(1, pPage);
+                sidebar::DocumentHelper::AssignMasterPageToPageList(*GetDoc(), pMaster, pPages);
+                rReq.Done();
+                break;
+            }
             SetCurrentFunction( FuPresentationLayout::Create(*this, GetActiveWindow(), mpDrawView.get(), *GetDoc(), rReq) );
             Cancel();
         }
@@ -4237,6 +4262,20 @@ void DrawViewShell::FuTemporary(SfxRequest& rReq)
         case SID_THEME_DIALOG:
         {
             SdrPage* pMasterPage = &GetActualPage()->TRG_GetMasterPage();
+            // A kit client names the color set.
+            if (const SfxStringItem* pName = rReq.GetArg<SfxStringItem>(FN_PARAM_1))
+            {
+                const model::ColorSet* pSet = svx::ColorSets::get().getColorSet(pName->GetValue());
+                if (!pSet)
+                {
+                    rReq.Ignore();
+                    break;
+                }
+                sd::ThemeColorChanger aChanger(pMasterPage, GetDocSh());
+                aChanger.apply(std::make_shared<model::ColorSet>(*pSet));
+                rReq.Done();
+                break;
+            }
             auto pTheme = pMasterPage->getSdrPageProperties().getTheme();
             auto pDialog = std::make_shared<svx::ThemeDialog>(GetFrameWeld(), pTheme.get());
             auto* pDocShell = GetDocSh();
diff --git a/sd/source/ui/view/viewshe2.cxx b/sd/source/ui/view/viewshe2.cxx
index a883dfa..4c16936 100644
--- a/sd/source/ui/view/viewshe2.cxx
+++ b/sd/source/ui/view/viewshe2.cxx
@@ -61,6 +61,8 @@
 #include <svtools/soerr.hxx>
 #include <svx/charthelper.hxx>
 #include <comphelper/lok.hxx>
+#include <sfx2/lokhelper.hxx>
+#include <unomodel.hxx>
 
 using namespace com::sun::star;
 
@@ -562,6 +564,10 @@ void ViewShell::SetPageSizeAndBorder(PageKind ePageKind, const Size& rNewSize,
         pViewShell->GetViewFrame().GetObjectShell()->GetUndoManager()->AddUndoAction(std::move(pUndoGroup));
     }
 
+    // LOK clients read the size only when told.
+    if (comphelper::LibreOfficeKit::isActive())
+        SfxLokHelper::notifyDocumentSizeChangedAllViews(GetDoc()->getUnoModel());
+
     // calculate View-Sizes
     SdPage* pPage(0 != nPageCnt
         ? GetDoc()->GetSdPage(0, ePageKind)
diff --git a/svx/sdi/svx.sdi b/svx/sdi/svx.sdi
index 9c81bb0..2cc2a87 100644
--- a/svx/sdi/svx.sdi
+++ b/svx/sdi/svx.sdi
@@ -13278,7 +13278,7 @@ SfxVoidItem GraphicSizeCheck SID_GRAPHIC_SIZE_CHECK
 ]
 
 SfxVoidItem ThemeDialog SID_THEME_DIALOG
-()
+(SfxStringItem ColorSet FN_PARAM_1)
 [
     AutoUpdate = FALSE,
     FastCall = FALSE,