diff --git a/src/openrct2-ui/windows/Changelog.cpp b/src/openrct2-ui/windows/Changelog.cpp
index 696f41627f..2624113cca 100644
--- a/src/openrct2-ui/windows/Changelog.cpp
+++ b/src/openrct2-ui/windows/Changelog.cpp
@@ -14,16 +14,17 @@
  *****************************************************************************/
 #pragma endregion
 
+#include <fstream>
+#include <vector>
 #include <openrct2/Context.h>
 #include <openrct2/OpenRCT2.h>
 #include <openrct2/core/Math.hpp>
-#include <openrct2/core/Memory.hpp>
-#include <openrct2-ui/windows/Window.h>
-
-#include <openrct2-ui/interface/Widget.h>
+#include <openrct2/core/String.hpp>
 #include <openrct2/localisation/Localisation.h>
 #include <openrct2/platform/platform.h>
 #include <openrct2/util/Util.h>
+#include <openrct2-ui/windows/Window.h>
+#include <openrct2-ui/interface/Widget.h>
 
 enum {
     WIDX_BACKGROUND,
@@ -89,10 +90,8 @@ static rct_window_event_list window_changelog_events = {
 static bool window_changelog_read_file();
 static void window_changelog_dispose_file();
 
-static char *_changelogText = nullptr;
-static size_t _changelogTextSize = 0;
-static char **_changelogLines = nullptr;
-static sint32 _changelogNumLines = 0;
+static std::string _changelogText;
+static std::vector<const char *> _changelogLines;
 static sint32 _changelogLongestLineWidth = 0;
 
 rct_window * window_changelog_open()
@@ -164,7 +163,7 @@ static void window_changelog_resize(rct_window *w)
 static void window_changelog_scrollgetsize(rct_window *w, sint32 scrollIndex, sint32 *width, sint32 *height)
 {
     *width = _changelogLongestLineWidth + 4;
-    *height = _changelogNumLines * 11;
+    *height = (sint32)(_changelogLines.size() * 11);
 }
 
 static void window_changelog_invalidate(rct_window *w)
@@ -192,73 +191,76 @@ static void window_changelog_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi,
 
     sint32 x = 3;
     sint32 y = 3;
-    for (sint32 i = 0; i < _changelogNumLines; i++) {
-        gfx_draw_string(dpi, _changelogLines[i], w->colours[0], x, y);
+    for (auto line : _changelogLines)
+    {
+        gfx_draw_string(dpi, (char *)line, w->colours[0], x, y);
         y += 11;
     }
 }
 
-static bool window_changelog_read_file()
+static std::string GetChangelogText()
 {
-    window_changelog_dispose_file();
     utf8 path[MAX_PATH];
     platform_get_changelog_path(path, sizeof(path));
-    if (!readentirefile(path, (void**)&_changelogText, &_changelogTextSize)) {
+
+#if defined(_WIN32) && !defined(__MINGW32__)
+    auto pathW = String::ToUtf16(path);
+    auto fs = std::ifstream(pathW, std::ios::out | std::ios::app);
+#else
+    auto fs = std::ifstream(path, std::ios::out | std::ios::app);
+#endif
+    return std::string((std::istreambuf_iterator<char>(fs)), std::istreambuf_iterator<char>());
+}
+
+static bool window_changelog_read_file()
+{
+    try
+    {
+        _changelogText = GetChangelogText();
+    }
+    catch (const std::bad_alloc &)
+    {
+        log_error("Unable to allocate memory for changelog.txt");
+        return false;
+    }
+    catch (const std::exception &)
+    {
         log_error("Unable to read changelog.txt");
         return false;
     }
-    void* new_memory = realloc(_changelogText, _changelogTextSize + 1);
-    if (new_memory == nullptr) {
-        log_error("Failed to reallocate memory for changelog text");
-        return false;
-    }
-    _changelogText = (char*)new_memory;
-    _changelogText[_changelogTextSize++] = 0;
 
-    char *start = _changelogText;
-    if (_changelogTextSize >= 3 && utf8_is_bom(_changelogText))
+    auto * start = _changelogText.data();
+    if (_changelogText.size() >= 3 && utf8_is_bom(start))
+    {
         start += 3;
+    }
 
-    sint32 changelogLinesCapacity = 8;
-    _changelogLines = Memory::Allocate<utf8*>(changelogLinesCapacity * sizeof(char*));
-    _changelogLines[0] = start;
-    _changelogNumLines = 1;
-
-    char *ch = start;
-    while (*ch != 0) {
+    _changelogLines.clear();
+    _changelogLines.push_back(start);
+    auto ch = start;
+    while (*ch != '\0')
+    {
         uint8 c = *ch;
-        if (c == '\n') {
+        if (c == '\n')
+        {
             *ch++ = 0;
-            _changelogNumLines++;
-            if (_changelogNumLines > changelogLinesCapacity) {
-                changelogLinesCapacity *= 2;
-                new_memory = realloc(_changelogLines, changelogLinesCapacity * sizeof(char*));
-                if (new_memory == nullptr) {
-                    log_error("Failed to reallocate memory for change log lines");
-                    return false;
-                }
-                _changelogLines = (char**)new_memory;
-            }
-            _changelogLines[_changelogNumLines - 1] = ch;
-        } else if (c < 32 || c > 122) {
-            // A character that won't be drawn or change state.
+            _changelogLines.push_back(ch);
+        }
+        else if (utf8_is_format_code(c))
+        {
             *ch++ = FORMAT_OUTLINE_OFF;
-        } else {
+        }
+        else
+        {
             ch++;
         }
     }
 
-    new_memory = realloc(_changelogLines, _changelogNumLines * sizeof(char*));
-    if (new_memory == nullptr) {
-        log_error("Failed to reallocate memory for change log lines");
-        return false;
-    }
-    _changelogLines = (char**)new_memory;
-
     gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
     _changelogLongestLineWidth = 0;
-    for (sint32 i = 0; i < _changelogNumLines; i++) {
-        sint32 width = gfx_get_string_width(_changelogLines[i]);
+    for (auto line : _changelogLines)
+    {
+        auto width = gfx_get_string_width(line);
         _changelogLongestLineWidth = Math::Max(width, _changelogLongestLineWidth);
     }
     return true;
@@ -266,8 +268,7 @@ static bool window_changelog_read_file()
 
 static void window_changelog_dispose_file()
 {
-    SafeFree(_changelogText);
-    SafeFree(_changelogLines);
-    _changelogTextSize = 0;
-    _changelogNumLines = 0;
+    _changelogText = std::string();
+    _changelogLines.clear();
+    _changelogLines.shrink_to_fit();
 }