diff --git a/src/openrct2-ui/windows/About.cpp b/src/openrct2-ui/windows/About.cpp
index ef4ff8cbe6..e03aab27f8 100644
--- a/src/openrct2-ui/windows/About.cpp
+++ b/src/openrct2-ui/windows/About.cpp
@@ -199,12 +199,10 @@ namespace OpenRCT2::Ui::Windows
             ScreenCoordsXY logoCoords = windowPos
                 + ScreenCoordsXY(widgets[WIDX_OPENRCT2_LOGO].left, widgets[WIDX_OPENRCT2_LOGO].top);
             GfxDrawSprite(dpi, ImageId(SPR_G2_LOGO), logoCoords);
-            // Version info
-            utf8 buffer[256];
-            utf8* ch = buffer;
-            OpenRCT2WriteFullVersionInfo(ch, sizeof(buffer) - (ch - buffer));
+
+            u8string versionInfo = gVersionInfoFull;
             auto ft = Formatter();
-            ft.Add<const char*>(buffer);
+            ft.Add<const char*>(versionInfo.c_str());
 
             auto const& versionPlaceholder = widgets[WIDX_VERSION];
             auto versionPlaceHolderWidth = versionPlaceholder.right - versionPlaceholder.left;
diff --git a/src/openrct2/Context.cpp b/src/openrct2/Context.cpp
index d19f79c02c..4f2684257b 100644
--- a/src/openrct2/Context.cpp
+++ b/src/openrct2/Context.cpp
@@ -1566,11 +1566,6 @@ bool ContextLoadParkFromStream(void* stream)
     return GetContext()->LoadParkFromStream(static_cast<IStream*>(stream), "");
 }
 
-void OpenRCT2WriteFullVersionInfo(utf8* buffer, size_t bufferSize)
-{
-    String::Set(buffer, bufferSize, gVersionInfoFull);
-}
-
 void OpenRCT2Finish()
 {
     GetContext()->Finish();
@@ -1738,22 +1733,6 @@ void ContextQuit()
     GetContext()->Quit();
 }
 
-bool ContextOpenCommonFileDialog(utf8* outFilename, OpenRCT2::Ui::FileDialogDesc& desc, size_t outSize)
-{
-    try
-    {
-        std::string result = GetContext()->GetUiContext()->ShowFileDialog(desc);
-        String::Set(outFilename, outSize, result.c_str());
-        return !result.empty();
-    }
-    catch (const std::exception& ex)
-    {
-        LOG_ERROR(ex.what());
-        outFilename[0] = '\0';
-        return false;
-    }
-}
-
 u8string ContextOpenCommonFileDialog(OpenRCT2::Ui::FileDialogDesc& desc)
 {
     try
diff --git a/src/openrct2/Context.h b/src/openrct2/Context.h
index 2087fee0f4..31e4110bd8 100644
--- a/src/openrct2/Context.h
+++ b/src/openrct2/Context.h
@@ -232,5 +232,4 @@ void ContextHandleInput();
 void ContextInputHandleKeyboard(bool isTitle);
 void ContextQuit();
 bool ContextLoadParkFromStream(void* stream);
-bool ContextOpenCommonFileDialog(utf8* outFilename, OpenRCT2::Ui::FileDialogDesc& desc, size_t outSize);
 u8string ContextOpenCommonFileDialog(OpenRCT2::Ui::FileDialogDesc& desc);
diff --git a/src/openrct2/OpenRCT2.h b/src/openrct2/OpenRCT2.h
index 9d72ea7e78..1f8729f611 100644
--- a/src/openrct2/OpenRCT2.h
+++ b/src/openrct2/OpenRCT2.h
@@ -60,7 +60,6 @@ extern uint8_t gScreenFlags;
 extern uint32_t gScreenAge;
 extern PromptMode gSavePromptMode;
 
-void OpenRCT2WriteFullVersionInfo(utf8* buffer, size_t bufferSize);
 void OpenRCT2Finish();
 
 int32_t CommandLineRun(const char** argv, int32_t argc);
diff --git a/src/openrct2/command_line/RootCommands.cpp b/src/openrct2/command_line/RootCommands.cpp
index 0092f76002..2fe5c348e0 100644
--- a/src/openrct2/command_line/RootCommands.cpp
+++ b/src/openrct2/command_line/RootCommands.cpp
@@ -447,9 +447,8 @@ static void PrintAbout()
 
 static void PrintVersion()
 {
-    char buffer[256];
-    OpenRCT2WriteFullVersionInfo(buffer, sizeof(buffer));
-    Console::WriteLine(buffer);
+    u8string versionInfo = gVersionInfoFull;
+    Console::WriteLine(versionInfo.c_str());
     Console::WriteFormat("%s (%s)", OPENRCT2_PLATFORM, OPENRCT2_ARCHITECTURE);
     Console::WriteLine();
     Console::WriteFormat("Network version: %s", NetworkGetVersion().c_str());
@@ -481,9 +480,8 @@ static void PrintLaunchInformation()
     struct tm* tmInfo;
 
     // Print name and version information
-    OpenRCT2WriteFullVersionInfo(buffer, sizeof(buffer));
-    Console::WriteFormat("%s", buffer);
-    Console::WriteLine();
+    u8string versionInfo = gVersionInfoFull;
+    Console::WriteLine(versionInfo.c_str());
     Console::WriteFormat("%s (%s)", OPENRCT2_PLATFORM, OPENRCT2_ARCHITECTURE);
     Console::WriteLine();
     Console::WriteLine();
diff --git a/src/openrct2/config/Config.cpp b/src/openrct2/config/Config.cpp
index c29f8a78be..bf35f11209 100644
--- a/src/openrct2/config/Config.cpp
+++ b/src/openrct2/config/Config.cpp
@@ -749,7 +749,7 @@ namespace OpenRCT2::Config
         return {};
     }
 
-    static bool SelectGogInstaller(utf8* installerPath)
+    static u8string SelectGogInstaller()
     {
         FileDialogDesc desc{};
         desc.Type = FileDialogType::Open;
@@ -760,7 +760,7 @@ namespace OpenRCT2::Config
         const auto userHomePath = Platform::GetFolderPath(SPECIAL_FOLDER::USER_HOME);
         desc.InitialDirectory = userHomePath;
 
-        return ContextOpenCommonFileDialog(installerPath, desc, 4096);
+        return ContextOpenCommonFileDialog(desc);
     }
 
     static bool ExtractGogInstaller(const u8string& installerPath, const u8string& targetPath)
@@ -888,8 +888,8 @@ namespace OpenRCT2::Config
                         while (true)
                         {
                             uiContext->ShowMessageBox(LanguageGetString(STR_PLEASE_SELECT_GOG_INSTALLER));
-                            utf8 gogPath[4096];
-                            if (!SelectGogInstaller(gogPath))
+                            auto gogPath = SelectGogInstaller();
+                            if (gogPath.empty())
                             {
                                 // The user clicked "Cancel", so stop trying.
                                 return false;
diff --git a/src/openrct2/core/String.cpp b/src/openrct2/core/String.cpp
index ebc599e947..b0b09dca5b 100644
--- a/src/openrct2/core/String.cpp
+++ b/src/openrct2/core/String.cpp
@@ -525,11 +525,6 @@ namespace OpenRCT2::String
         return ch;
     }
 
-    utf8* TrimStart(utf8* buffer, size_t bufferSize, const utf8* src)
-    {
-        return String::Set(buffer, bufferSize, TrimStart(src));
-    }
-
     std::string TrimStart(const std::string& s)
     {
         const utf8* trimmed = TrimStart(s.c_str());
diff --git a/src/openrct2/core/String.hpp b/src/openrct2/core/String.hpp
index 19ccf5d77b..bdcf2ce5aa 100644
--- a/src/openrct2/core/String.hpp
+++ b/src/openrct2/core/String.hpp
@@ -84,9 +84,8 @@ namespace OpenRCT2::String
     bool IsWhiteSpace(codepoint_t codepoint);
     utf8* Trim(utf8* str);
     const utf8* TrimStart(const utf8* str);
-    utf8* TrimStart(utf8* buffer, size_t bufferSize, const utf8* src);
-    std::string TrimStart(const std::string& s);
-    std::string Trim(const std::string& s);
+    [[nodiscard]] std::string TrimStart(const std::string& s);
+    [[nodiscard]] std::string Trim(const std::string& s);
 
     /**
      * Converts a multi-byte string from one code page to UTF-8.
diff --git a/src/openrct2/localisation/Language.cpp b/src/openrct2/localisation/Language.cpp
index 0d6100c524..c1dd601cc9 100644
--- a/src/openrct2/localisation/Language.cpp
+++ b/src/openrct2/localisation/Language.cpp
@@ -96,7 +96,7 @@ bool LanguageOpen(int32_t id)
     }
 }
 
-bool LanguageGetLocalisedScenarioStrings(const utf8* scenarioFilename, StringId* outStringIds)
+bool LanguageGetLocalisedScenarioStrings(u8string_view scenarioFilename, StringId* outStringIds)
 {
     const auto& localisationService = OpenRCT2::GetContext()->GetLocalisationService();
     auto result = localisationService.GetLocalisedScenarioStrings(scenarioFilename);
diff --git a/src/openrct2/localisation/Language.h b/src/openrct2/localisation/Language.h
index c679b5f95b..70703be8d0 100644
--- a/src/openrct2/localisation/Language.h
+++ b/src/openrct2/localisation/Language.h
@@ -88,6 +88,6 @@ uint8_t LanguageGetIDFromLocale(const char* locale);
 const char* LanguageGetString(StringId id);
 bool LanguageOpen(int32_t id);
 
-bool LanguageGetLocalisedScenarioStrings(const utf8* scenarioFilename, StringId* outStringIds);
+bool LanguageGetLocalisedScenarioStrings(u8string_view scenarioFilename, StringId* outStringIds);
 void LanguageFreeObjectString(StringId stringId);
 StringId LanguageAllocateObjectString(const std::string& target);
diff --git a/src/openrct2/localisation/LanguagePack.cpp b/src/openrct2/localisation/LanguagePack.cpp
index 0165c03987..2599843860 100644
--- a/src/openrct2/localisation/LanguagePack.cpp
+++ b/src/openrct2/localisation/LanguagePack.cpp
@@ -155,9 +155,8 @@ public:
         return nullptr;
     }
 
-    StringId GetScenarioOverrideStringId(const utf8* scenarioFilename, uint8_t index) override
+    StringId GetScenarioOverrideStringId(u8string_view scenarioFilename, uint8_t index) override
     {
-        Guard::ArgumentNotNull(scenarioFilename);
         Guard::Assert(index < ScenarioOverrideMaxStringCount);
 
         int32_t ooIndex = 0;
diff --git a/src/openrct2/localisation/LanguagePack.h b/src/openrct2/localisation/LanguagePack.h
index c692320f9a..ae510f180b 100644
--- a/src/openrct2/localisation/LanguagePack.h
+++ b/src/openrct2/localisation/LanguagePack.h
@@ -24,7 +24,7 @@ struct ILanguagePack
     virtual void RemoveString(StringId stringId) = 0;
     virtual void SetString(StringId stringId, const std::string& str) = 0;
     virtual const utf8* GetString(StringId stringId) const = 0;
-    virtual StringId GetScenarioOverrideStringId(const utf8* scenarioFilename, uint8_t index) = 0;
+    virtual StringId GetScenarioOverrideStringId(u8string_view scenarioFilename, uint8_t index) = 0;
 };
 
 namespace OpenRCT2::LanguagePackFactory
diff --git a/src/openrct2/localisation/LocalisationService.cpp b/src/openrct2/localisation/LocalisationService.cpp
index c1e7692447..daa2a79ce6 100644
--- a/src/openrct2/localisation/LocalisationService.cpp
+++ b/src/openrct2/localisation/LocalisationService.cpp
@@ -143,13 +143,12 @@ void LocalisationService::CloseLanguages()
     _currentLanguage = LANGUAGE_UNDEFINED;
 }
 
-std::tuple<StringId, StringId, StringId> LocalisationService::GetLocalisedScenarioStrings(
-    const std::string& scenarioFilename) const
+std::tuple<StringId, StringId, StringId> LocalisationService::GetLocalisedScenarioStrings(u8string_view scenarioFilename) const
 {
     Guard::Assert(!_loadedLanguages.empty());
-    auto result0 = _loadedLanguages[0]->GetScenarioOverrideStringId(scenarioFilename.c_str(), 0);
-    auto result1 = _loadedLanguages[0]->GetScenarioOverrideStringId(scenarioFilename.c_str(), 1);
-    auto result2 = _loadedLanguages[0]->GetScenarioOverrideStringId(scenarioFilename.c_str(), 2);
+    auto result0 = _loadedLanguages[0]->GetScenarioOverrideStringId(scenarioFilename, 0);
+    auto result1 = _loadedLanguages[0]->GetScenarioOverrideStringId(scenarioFilename, 1);
+    auto result2 = _loadedLanguages[0]->GetScenarioOverrideStringId(scenarioFilename, 2);
     return std::make_tuple(result0, result1, result2);
 }
 
diff --git a/src/openrct2/localisation/LocalisationService.h b/src/openrct2/localisation/LocalisationService.h
index a2090e42d2..5f02d00140 100644
--- a/src/openrct2/localisation/LocalisationService.h
+++ b/src/openrct2/localisation/LocalisationService.h
@@ -9,6 +9,7 @@
 
 #pragma once
 
+#include "../core/StringTypes.h"
 #include "../localisation/StringIdType.h"
 
 #include <memory>
@@ -58,7 +59,7 @@ namespace OpenRCT2::Localisation
         ~LocalisationService();
 
         const char* GetString(StringId id) const;
-        std::tuple<StringId, StringId, StringId> GetLocalisedScenarioStrings(const std::string& scenarioFilename) const;
+        std::tuple<StringId, StringId, StringId> GetLocalisedScenarioStrings(u8string_view scenarioFilename) const;
         std::string GetLanguagePath(uint32_t languageId) const;
 
         void OpenLanguage(int32_t id);
diff --git a/src/openrct2/rct2/S6Importer.cpp b/src/openrct2/rct2/S6Importer.cpp
index 3ba6acb201..d8050f5a84 100644
--- a/src/openrct2/rct2/S6Importer.cpp
+++ b/src/openrct2/rct2/S6Importer.cpp
@@ -258,9 +258,9 @@ namespace OpenRCT2::RCT2
             }
             else
             {
-                String::Set(dst->Name, sizeof(dst->Name), _s6.Info.Name);
                 // Normalise the name to make the scenario as recognisable as possible.
-                ScenarioSources::NormaliseName(dst->Name, sizeof(dst->Name), dst->Name);
+                auto normalisedName = ScenarioSources::NormaliseName(_s6.Info.Name);
+                String::Set(dst->Name, sizeof(dst->Name), normalisedName.c_str());
             }
 
             // dst->name will be translated later so keep the untranslated name here
diff --git a/src/openrct2/scenario/Scenario.cpp b/src/openrct2/scenario/Scenario.cpp
index 6b6382c9bc..99e4a862c0 100644
--- a/src/openrct2/scenario/Scenario.cpp
+++ b/src/openrct2/scenario/Scenario.cpp
@@ -108,8 +108,7 @@ void ScenarioReset(GameState_t& gameState)
     gameState.Cash = gameState.InitialCash;
 
     {
-        utf8 normalisedName[64];
-        ScenarioSources::NormaliseName(normalisedName, sizeof(normalisedName), gameState.ScenarioName.c_str());
+        auto normalisedName = ScenarioSources::NormaliseName(gameState.ScenarioName);
 
         StringId localisedStringIds[3];
         if (LanguageGetLocalisedScenarioStrings(normalisedName, localisedStringIds))
diff --git a/src/openrct2/scenario/ScenarioSources.cpp b/src/openrct2/scenario/ScenarioSources.cpp
index 13e2d1b229..00004dde56 100644
--- a/src/openrct2/scenario/ScenarioSources.cpp
+++ b/src/openrct2/scenario/ScenarioSources.cpp
@@ -421,36 +421,39 @@ namespace OpenRCT2::ScenarioSources
         return false;
     }
 
-    void NormaliseName(utf8* buffer, size_t bufferSize, const utf8* name)
+    u8string NormaliseName(u8string_view input)
     {
-        size_t nameLength = String::LengthOf(name);
-
-        // Strip "RCT(1|2)?" prefix off scenario names.
-        if (nameLength >= 3 && (name[0] == 'R' && name[1] == 'C' && name[2] == 'T'))
-        {
-            if (nameLength >= 4 && (name[3] == '1' || name[3] == '2'))
-            {
-                LOG_VERBOSE("Stripping RCT/1/2 from name: %s", name);
-                String::Set(buffer, bufferSize, name + 4);
-            }
-            else
-            {
-                String::Set(buffer, bufferSize, name + 3);
-            }
-        }
-
-        // Trim (for the sake of the above and WW / TT scenarios
-        String::TrimStart(buffer, bufferSize, name);
-
         // American scenario titles should be converted to British name
         // Don't worry, names will be translated using language packs later
         for (const ScenarioAlias& alias : ScenarioAliases)
         {
-            if (String::Equals(alias.Alternative, name))
+            if (String::Equals(alias.Alternative, input))
             {
-                LOG_VERBOSE("Found alias: %s; will treat as: %s", name, alias.Original);
-                String::Set(buffer, bufferSize, alias.Original);
+                LOG_VERBOSE("Found alias: %s; will treat as: %s", input, alias.Original);
+                return u8string(alias.Original);
             }
         }
+
+        u8string normalisedName;
+        // Strip "RCT(1|2)?" prefix off scenario names.
+        if (input.starts_with("RCT"))
+        {
+            LOG_VERBOSE("Stripping RCT/1/2 from name: %s", u8string(input).c_str());
+            if (input.length() >= 4 && (input[3] == '1' || input[3] == '2'))
+            {
+                normalisedName = input.substr(4);
+            }
+            else
+            {
+                normalisedName = input.substr(3);
+            }
+        }
+        else
+        {
+            normalisedName = input;
+        }
+
+        // Trim (for the sake of the above and WW / TT scenarios)
+        return String::TrimStart(normalisedName);
     }
 } // namespace OpenRCT2::ScenarioSources
diff --git a/src/openrct2/scenario/ScenarioSources.h b/src/openrct2/scenario/ScenarioSources.h
index fe3196e96e..2bfddbd1e2 100644
--- a/src/openrct2/scenario/ScenarioSources.h
+++ b/src/openrct2/scenario/ScenarioSources.h
@@ -24,7 +24,7 @@ namespace OpenRCT2::ScenarioSources
 {
     bool TryGetByName(const utf8* name, SourceDescriptor* outDesc);
     bool TryGetById(uint8_t id, SourceDescriptor* outDesc);
-    void NormaliseName(utf8* buffer, size_t bufferSize, const utf8* name);
+    u8string NormaliseName(u8string_view input);
 } // namespace OpenRCT2::ScenarioSources
 
 // RCT1 scenario index map