diff --git a/lib/external/imgui/include/imgui_memory_editor.h b/lib/external/imgui/include/imgui_memory_editor.h
index 09d682f69..c5eca3e5c 100644
--- a/lib/external/imgui/include/imgui_memory_editor.h
+++ b/lib/external/imgui/include/imgui_memory_editor.h
@@ -232,7 +232,7 @@ struct MemoryEditor
         if (ImGui::Begin(title, p_open, ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoNavInputs))
         {
             if (DataPreviewAddr != DataPreviewAddrOld || DataPreviewAddrEnd != DataPreviewAddrEndOld) {
-                hex::Region selectionRegion = { std::min(DataPreviewAddr, DataPreviewAddrEnd) + base_display_addr, std::max(DataPreviewAddr, DataPreviewAddrEnd) - std::min(DataPreviewAddr, DataPreviewAddrEnd) };
+                hex::Region selectionRegion = { std::min(DataPreviewAddr, DataPreviewAddrEnd) + base_display_addr, (std::max(DataPreviewAddr, DataPreviewAddrEnd) - std::min(DataPreviewAddr, DataPreviewAddrEnd)) + 1 };
                 hex::EventManager::post<hex::EventRegionSelected>(selectionRegion);
             }
 
@@ -335,7 +335,7 @@ struct MemoryEditor
                 else if (ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_End)) && DataPreviewAddr < mem_size - 1)          { DataPreviewAddr = data_preview_addr_next = mem_size - 1; if (!ImGui::GetIO().KeyShift) DataPreviewAddrEnd = DataPreviewAddr; }
             }
         } else if (ImGui::IsKeyPressed(ImGui::GetKeyIndex(ImGuiKey_Escape))) {
-            DataPreviewAddr = data_preview_addr_next = DataPreviewAddrEnd = (size_t)-1;
+            DataPreviewAddr = DataPreviewAddrOld = DataPreviewAddrEnd = DataPreviewAddrEndOld = data_preview_addr_next = (size_t)-1;
             HighlightMin = HighlightMax = (size_t)-1;
 
             hex::EventManager::post<hex::EventRegionSelected>(hex::Region{ (size_t)-1, 0 });
diff --git a/lib/libimhex/include/hex/api/event.hpp b/lib/libimhex/include/hex/api/event.hpp
index c8f7381f1..b3b1c0755 100644
--- a/lib/libimhex/include/hex/api/event.hpp
+++ b/lib/libimhex/include/hex/api/event.hpp
@@ -59,7 +59,7 @@ namespace hex {
         using EventList = std::list<std::pair<EventId, EventBase *>>;
 
         template<typename E>
-        [[nodiscard]] static EventList::iterator subscribe(typename E::Callback function) {
+        static EventList::iterator subscribe(typename E::Callback function) {
             return s_events.insert(s_events.end(), std::make_pair(E::id, new E(function)));
         }
 
diff --git a/lib/libimhex/include/hex/api/imhex_api.hpp b/lib/libimhex/include/hex/api/imhex_api.hpp
index 6a997a799..56bcbcd21 100644
--- a/lib/libimhex/include/hex/api/imhex_api.hpp
+++ b/lib/libimhex/include/hex/api/imhex_api.hpp
@@ -48,6 +48,10 @@ namespace hex {
             void removeHighlight(u32 id);
             std::map<u32, Highlighting> &getHighlights();
 
+            Region getSelection();
+            void setSelection(const Region &region);
+            void setSelection(u64 address, size_t size);
+
         }
 
         namespace Bookmarks {
diff --git a/lib/libimhex/source/api/imhex_api.cpp b/lib/libimhex/source/api/imhex_api.cpp
index 7b761e2a8..b76f0275d 100644
--- a/lib/libimhex/source/api/imhex_api.cpp
+++ b/lib/libimhex/source/api/imhex_api.cpp
@@ -54,6 +54,23 @@ namespace hex {
             return s_highlights;
         }
 
+        Region getSelection() {
+            static Region selectedRegion;
+            EventManager::subscribe<EventRegionSelected>([](const Region &region) {
+                selectedRegion = region;
+            });
+
+            return selectedRegion;
+        }
+
+        void setSelection(const Region &region) {
+            EventManager::post<RequestSelectionChange>(region);
+        }
+
+        void setSelection(u64 address, size_t size) {
+            setSelection({ address, size });
+        }
+
     }
 
 
diff --git a/plugins/builtin/source/content/views/view_bookmarks.cpp b/plugins/builtin/source/content/views/view_bookmarks.cpp
index c9a879f11..0372c607d 100644
--- a/plugins/builtin/source/content/views/view_bookmarks.cpp
+++ b/plugins/builtin/source/content/views/view_bookmarks.cpp
@@ -124,7 +124,7 @@ namespace hex::plugin::builtin {
                         ImGui::EndChild();
 
                         if (ImGui::Button("hex.builtin.view.bookmarks.button.jump"_lang))
-                            EventManager::post<RequestSelectionChange>(region);
+                            ImHexApi::HexEditor::setSelection(region);
                         ImGui::SameLine(0, 15);
 
                         if (ImGui::Button("hex.builtin.view.bookmarks.button.remove"_lang))
diff --git a/plugins/builtin/source/content/views/view_disassembler.cpp b/plugins/builtin/source/content/views/view_disassembler.cpp
index 4eec6f322..0e29f1833 100644
--- a/plugins/builtin/source/content/views/view_disassembler.cpp
+++ b/plugins/builtin/source/content/views/view_disassembler.cpp
@@ -21,7 +21,7 @@ namespace hex::plugin::builtin {
                     this->m_codeRegion[0] = this->m_codeRegion[1] = 0;
                 } else {
                     this->m_codeRegion[0] = region.address;
-                    this->m_codeRegion[1] = region.address + region.size;
+                    this->m_codeRegion[1] = region.address + region.size - 1;
                 }
             }
         });
@@ -115,7 +115,7 @@ namespace hex::plugin::builtin {
                 ImGui::Checkbox("hex.builtin.common.match_selection"_lang, &this->m_shouldMatchSelection);
                 if (ImGui::IsItemEdited()) {
                     // Force execution of Region Selection Event
-                    EventManager::post<RequestSelectionChange>(Region { 0, 0 });
+                    ImHexApi::HexEditor::setSelection(0, 0);
                 }
 
                 ImGui::NewLine();
@@ -356,7 +356,7 @@ namespace hex::plugin::builtin {
                                 ImGui::TableNextRow();
                                 ImGui::TableNextColumn();
                                 if (ImGui::Selectable(("##DisassemblyLine"s + std::to_string(i)).c_str(), false, ImGuiSelectableFlags_SpanAllColumns)) {
-                                    EventManager::post<RequestSelectionChange>(Region { instruction.offset, instruction.size });
+                                    ImHexApi::HexEditor::setSelection(instruction.offset, instruction.size);
                                 }
                                 ImGui::SameLine();
                                 ImGui::TextFormatted("0x{0:X}", instruction.address);
diff --git a/plugins/builtin/source/content/views/view_hashes.cpp b/plugins/builtin/source/content/views/view_hashes.cpp
index 7df62637a..c21f3796b 100644
--- a/plugins/builtin/source/content/views/view_hashes.cpp
+++ b/plugins/builtin/source/content/views/view_hashes.cpp
@@ -19,7 +19,7 @@ namespace hex::plugin::builtin {
                     this->m_hashRegion[0] = this->m_hashRegion[1] = 0;
                 } else {
                     this->m_hashRegion[0] = region.address;
-                    this->m_hashRegion[1] = region.size + 1;    // WARNING: get size - 1 as region size
+                    this->m_hashRegion[1] = region.size;
                 }
                 this->m_shouldInvalidate = true;
             }
@@ -55,7 +55,7 @@ namespace hex::plugin::builtin {
                     ImGui::Checkbox("hex.builtin.common.match_selection"_lang, &this->m_shouldMatchSelection);
                     if (ImGui::IsItemEdited()) {
                         // Force execution of Region Selection Event
-                        EventManager::post<RequestSelectionChange>(Region { 0, 0 });
+                        ImHexApi::HexEditor::setSelection(0, 0);
                         this->m_shouldInvalidate = true;
                     }
 
diff --git a/plugins/builtin/source/content/views/view_hex_editor.cpp b/plugins/builtin/source/content/views/view_hex_editor.cpp
index c34e0d4b0..8461c5803 100644
--- a/plugins/builtin/source/content/views/view_hex_editor.cpp
+++ b/plugins/builtin/source/content/views/view_hex_editor.cpp
@@ -726,7 +726,7 @@ namespace hex::plugin::builtin {
 
                 if (ImGui::Button("hex.builtin.view.hex_editor.menu.file.goto"_lang) || runGoto) {
                     provider->setCurrentPage(std::floor(double(newOffset - baseAddress) / hex::prv::Provider::PageSize));
-                    EventManager::post<RequestSelectionChange>(Region { newOffset, 1 });
+                    ImHexApi::HexEditor::setSelection(newOffset, 1);
                 }
 
                 ImGui::EndTabBar();
@@ -775,7 +775,7 @@ namespace hex::plugin::builtin {
             this->pasteBytes();
 
         if (ImGui::MenuItem("hex.builtin.view.hex_editor.menu.edit.select_all"_lang, "CTRL + A", false, providerValid))
-            EventManager::post<RequestSelectionChange>(Region { provider->getBaseAddress(), provider->getActualSize() });
+            ImHexApi::HexEditor::setSelection(provider->getBaseAddress(), provider->getActualSize());
 
         ImGui::Separator();
 
@@ -992,7 +992,7 @@ namespace hex::plugin::builtin {
 
         ShortcutManager::addShortcut(this, CTRL + Keys::A, [] {
             auto provider = ImHexApi::Provider::get();
-            EventManager::post<RequestSelectionChange>(Region { provider->getBaseAddress(), provider->getActualSize() });
+            ImHexApi::HexEditor::setSelection(provider->getBaseAddress(), provider->getActualSize());
         });
     }
 
diff --git a/plugins/builtin/source/content/views/view_information.cpp b/plugins/builtin/source/content/views/view_information.cpp
index 77628655c..12675f186 100644
--- a/plugins/builtin/source/content/views/view_information.cpp
+++ b/plugins/builtin/source/content/views/view_information.cpp
@@ -209,7 +209,7 @@ namespace hex::plugin::builtin {
                             if (ImPlot::DragLineX("Position", &this->m_entropyHandlePosition, false)) {
                                 u64 address = u64(this->m_entropyHandlePosition * this->m_blockSize) + provider->getBaseAddress();
                                 address     = std::min(address, provider->getBaseAddress() + provider->getSize() - 1);
-                                EventManager::post<RequestSelectionChange>(Region { address, 1 });
+                                ImHexApi::HexEditor::setSelection(address, 1);
                             }
 
                             ImPlot::EndPlot();
diff --git a/plugins/builtin/source/content/views/view_patches.cpp b/plugins/builtin/source/content/views/view_patches.cpp
index c385c41b2..03ab2fa7e 100644
--- a/plugins/builtin/source/content/views/view_patches.cpp
+++ b/plugins/builtin/source/content/views/view_patches.cpp
@@ -60,7 +60,7 @@ namespace hex::plugin::builtin {
                             ImGui::TableNextColumn();
 
                             if (ImGui::Selectable(("##patchLine" + std::to_string(index)).c_str(), false, ImGuiSelectableFlags_SpanAllColumns)) {
-                                EventManager::post<RequestSelectionChange>(Region { address, 1 });
+                                ImHexApi::HexEditor::setSelection(address, 1);
                             }
                             if (ImGui::IsMouseReleased(1) && ImGui::IsItemHovered()) {
                                 ImGui::OpenPopup("PatchContextMenu");
diff --git a/plugins/builtin/source/content/views/view_strings.cpp b/plugins/builtin/source/content/views/view_strings.cpp
index 50a8d30f4..9726f8bbd 100644
--- a/plugins/builtin/source/content/views/view_strings.cpp
+++ b/plugins/builtin/source/content/views/view_strings.cpp
@@ -202,7 +202,7 @@ namespace hex::plugin::builtin {
                             ImGui::TableNextRow();
                             ImGui::TableNextColumn();
                             if (ImGui::Selectable(("##StringLine"s + std::to_string(i)).c_str(), false, ImGuiSelectableFlags_SpanAllColumns)) {
-                                EventManager::post<RequestSelectionChange>(Region { foundString.offset, foundString.size });
+                                ImHexApi::HexEditor::setSelection(foundString.offset, foundString.size);
                             }
                             ImGui::PushID(i + 1);
                             createStringContextMenu(foundString);
diff --git a/plugins/builtin/source/content/views/view_yara.cpp b/plugins/builtin/source/content/views/view_yara.cpp
index 71f6bdb2f..29f87b388 100644
--- a/plugins/builtin/source/content/views/view_yara.cpp
+++ b/plugins/builtin/source/content/views/view_yara.cpp
@@ -101,7 +101,7 @@ namespace hex::plugin::builtin {
                         ImGui::TableNextColumn();
                         ImGui::PushID(i);
                         if (ImGui::Selectable("match", false, ImGuiSelectableFlags_SpanAllColumns | ImGuiSelectableFlags_AllowItemOverlap)) {
-                            EventManager::post<RequestSelectionChange>(Region { u64(address), size_t(size) });
+                            ImHexApi::HexEditor::setSelection(address, size);
                         }
                         ImGui::PopID();
                         ImGui::SameLine();