diff --git a/lexilla/doc/Lexilla.html b/lexilla/doc/Lexilla.html
index 13f780317..05a2b6ec5 100644
--- a/lexilla/doc/Lexilla.html
+++ b/lexilla/doc/Lexilla.html
@@ -9,7 +9,7 @@
     <meta name="keywords" content="Scintilla, SciTE, Editing Component, Text Editor" />
     <meta name="Description"
     content="www.scintilla.org is the home of the Scintilla editing component and SciTE text editor application." />
-    <meta name="Date.Modified" content="20221012" />
+    <meta name="Date.Modified" content="20221206" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <style type="text/css">
         .logo {
@@ -61,8 +61,8 @@
           <font color="#FFCC99" size="4"> A library of language lexers for use with Scintilla</font>
         </td>
         <td width="40%" align="right">
-          <font color="#FFCC99" size="3">Release version 5.2.0<br />
-           Site last modified October 12 2022</font>
+          <font color="#FFCC99" size="3">Release version 5.2.1<br />
+           Site last modified December 6 2022</font>
         </td>
         <td width="20%">
           &nbsp;
@@ -77,6 +77,7 @@
       </tr>
     </table>
     <ul id="versionlist">
+      <li>Version 5.2.1 improves Batch, F#, Markdown, and PowerShell.</li>
       <li>Version 5.2.0 improves PowerShell and R.</li>
       <li>Version 5.1.9 improves Julia and Properties.</li>
       <li>Version 5.1.8 improves F#, MS SQL, PowerShell, and Visual Prolog.</li>
diff --git a/lexilla/doc/LexillaDownload.html b/lexilla/doc/LexillaDownload.html
index 64636e19a..7590e2566 100644
--- a/lexilla/doc/LexillaDownload.html
+++ b/lexilla/doc/LexillaDownload.html
@@ -26,9 +26,9 @@
     <table bgcolor="#CCCCCC" width="100%" cellspacing="0" cellpadding="8" border="0">
       <tr>
         <td>
-          <font size="4"> <a href="https://www.scintilla.org/lexilla520.zip">
+          <font size="4"> <a href="https://www.scintilla.org/lexilla521.zip">
 	Windows</a>&nbsp;&nbsp;
-	<a href="https://www.scintilla.org/lexilla520.tgz">
+	<a href="https://www.scintilla.org/lexilla521.tgz">
           GTK/Linux</a>&nbsp;&nbsp;
 	</font>
         </td>
@@ -42,7 +42,7 @@
       containing very few restrictions.
     </p>
     <h3>
-       Release 5.2.0
+       Release 5.2.1
     </h3>
     <h4>
        Source Code
@@ -50,8 +50,8 @@
        The source code package contains all of the source code for Lexilla but no binary
 	executable code and is available in
        <ul>
-       <li><a href="https://www.scintilla.org/lexilla520.zip">zip format</a> (1.2M) commonly used on Windows</li>
-       <li><a href="https://www.scintilla.org/lexilla520.tgz">tgz format</a> (0.9M) commonly used on Linux and compatible operating systems</li>
+       <li><a href="https://www.scintilla.org/lexilla521.zip">zip format</a> (1.2M) commonly used on Windows</li>
+       <li><a href="https://www.scintilla.org/lexilla521.tgz">tgz format</a> (0.9M) commonly used on Linux and compatible operating systems</li>
        </ul>
        Instructions for building on both Windows and Linux are included in the readme file.
     <h4>
diff --git a/lexilla/doc/LexillaHistory.html b/lexilla/doc/LexillaHistory.html
index 6d4727fa3..a2e828e9c 100644
--- a/lexilla/doc/LexillaHistory.html
+++ b/lexilla/doc/LexillaHistory.html
@@ -585,6 +585,43 @@
     </tr>
     </table>
     <h2>Releases</h2>
+    <h3>
+       <a href="https://www.scintilla.org/lexilla521.zip">Release 5.2.1</a>
+    </h3>
+    <ul>
+	<li>
+	Released 6 December 2022.
+	</li>
+	<li>
+	Update to Unicode 14.
+	<a href="https://sourceforge.net/p/scintilla/feature-requests/1461/">Feature #1461</a>.
+	</li>
+	<li>
+	Change default compilation optimization option to favour speed over space.
+	-O2 for MSVC and -O3 for gcc and clang.
+	</li>
+	<li>
+	Batch: Fix comments starting inside strings.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/115">Issue #115</a>.
+	</li>
+	<li>
+	F#: Lex signed numeric literals more accurately.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/110">Issue #110</a>,
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/111">Issue #111</a>.
+	</li>
+	<li>
+	F#: Add specifiers for 64-bit integer and floating point literals.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/112">Issue #112</a>.
+	</li>
+	<li>
+	Markdown: Stop styling numbers at line start in PRECHAR style.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/117">Issue #117</a>.
+	</li>
+	<li>
+	PowerShell: Recognise numeric literals more accurately.
+	<a href="https://github.com/ScintillaOrg/lexilla/issues/118">Issue #118</a>.
+	</li>
+    </ul>
     <h3>
        <a href="https://www.scintilla.org/lexilla520.zip">Release 5.2.0</a>
     </h3>
@@ -1804,7 +1841,7 @@
 	</li>
  	<li>
 	SciTE supports changing caret style via caret.style property.
-	<a href="https://sourceforge.net/p/scintilla/feature-requests/1264/">Feature #1624</a>.
+	<a href="https://sourceforge.net/p/scintilla/feature-requests/1264/">Feature #1264</a>.
 	</li>
  	<li>
 	Lexer added for .NET's Common Intermediate Language CIL.
@@ -2303,15 +2340,15 @@
 	</li>
 	<li>
 	Minor undefined behaviour fixed.
-	<a href="https://sourceforge.net/p/scintilla/bugs/1978">Bug #1978</a>.
+	<a href="https://sourceforge.net/p/scintilla/bugs/1978/">Bug #1978</a>.
 	</li>
 	<li>
 	On Cocoa, improve scrolling on macOS 10.12.
-	<a href="https://sourceforge.net/p/scintilla/bugs/1885">Bug #1885</a>.
+	<a href="https://sourceforge.net/p/scintilla/bugs/1885/">Bug #1885</a>.
 	</li>
 	<li>
 	On Cocoa, fix line selection by clicking in the margin when scrolled.
-	<a href="https://sourceforge.net/p/scintilla/bugs/1971">Bug #1971</a>.
+	<a href="https://sourceforge.net/p/scintilla/bugs/1971/">Bug #1971</a>.
 	</li>
     </ul>
     <h3>
@@ -2396,7 +2433,7 @@
 	</li>
 	<li>
 	On GTK+ fix drawing problems including incorrect scrollbar redrawing and flickering of text.
-	<a href="https://sourceforge.net/p/scintilla/bugs/1876">Bug #1876</a>.
+	<a href="https://sourceforge.net/p/scintilla/bugs/1876/">Bug #1876</a>.
 	</li>
 	<li>
 	On Linux, both for GTK+ and Qt, the default modifier key for rectangular selection is now Alt.
@@ -2407,7 +2444,7 @@
 	<li>
 	On Cocoa, fix doCommandBySelector but avoid double effect of 'delete'
 	key.
-	<a href="https://sourceforge.net/p/scintilla/bugs/1958">Bug #1958</a>.
+	<a href="https://sourceforge.net/p/scintilla/bugs/1958/">Bug #1958</a>.
 	</li>
 	<li>
 	On Qt, the updateUi signal includes the 'updated' flags.
@@ -5460,7 +5497,7 @@
 	</li>
 	<li>
 	Added ncurses platform definitions. Implementation is maintained separately as
-	<a href="https://foicica.com/scinterm/">Scinterm</a>.
+	<a href="https://orbitalquark.github.io/scinterm">Scinterm</a>.
 	</li>
     </ul>
     <h3>
diff --git a/lexilla/lexers/LexBatch.cxx b/lexilla/lexers/LexBatch.cxx
index e0ec26dfa..62e9332aa 100644
--- a/lexilla/lexers/LexBatch.cxx
+++ b/lexilla/lexers/LexBatch.cxx
@@ -74,15 +74,21 @@ bool textQuoted(const char *lineBuffer, Sci_PositionU endPos) {
 	char strBuffer[1024];
 	strncpy(strBuffer, lineBuffer, endPos);
 	strBuffer[endPos] = '\0';
-	char *pQuote;
-	pQuote = strchr(strBuffer, '"');
 	bool CurrentStatus = false;
+	const char strQuotes[] = "\"'";
+	const size_t strLength = strlen(strQuotes);
+	for (size_t i = 0; i < strLength; i++) {
+		const char *pQuote = strchr(strBuffer, strQuotes[i]);
 	while (pQuote != NULL)
 	{
 		if (!IsEscaped(strBuffer, pQuote - strBuffer)) {
 			CurrentStatus = !CurrentStatus;
 		}
-		pQuote = strchr(pQuote + 1, '"');
+			pQuote = strchr(pQuote + 1, strQuotes[i]);
+	}
+		if (CurrentStatus) {
+			break;
+		}
 	}
 	return CurrentStatus;
 }
@@ -196,9 +202,11 @@ void ColouriseBatchDoc(
 				// Check for Comment - return if found
 				if (continueProcessing) {
 					if ((CompareCaseInsensitive(wordBuffer, "rem") == 0) || (wordBuffer[0] == ':' && wordBuffer[1] == ':')) {
-						styler.ColourTo(startLine + offset - strlen(wordBuffer) - 1, SCE_BAT_DEFAULT);
+						if ((offset == wbl) || !textQuoted(lineBuffer, offset - wbl)) {
+							styler.ColourTo(startLine + offset - wbl - 1, SCE_BAT_DEFAULT);
 						styler.ColourTo(endPos, SCE_BAT_COMMENT);
 						break;
+						}
 					}
 				}
 				// Check for Separator
diff --git a/lexilla/lexers/LexPowerShell.cxx b/lexilla/lexers/LexPowerShell.cxx
index 6c9e11ad8..8d0eb29c3 100644
--- a/lexilla/lexers/LexPowerShell.cxx
+++ b/lexilla/lexers/LexPowerShell.cxx
@@ -33,6 +33,41 @@ static inline bool IsAWordChar(int ch) noexcept {
 	return ch >= 0x80 || isalnum(ch) || ch == '-' || ch == '_';
 }
 
+static bool IsNumericLiteral(int chPrev, int ch, int chNext) {
+	// integers
+	if (ch >= '0' && ch <= '9') {
+		return true;
+	}
+	// hex 0x or a-f
+	if ((ch == 'x' && chPrev == '0') || (ch >= 'a' && ch <= 'f')) {
+		return true;
+	}
+	// decimal point
+	if (ch == '.' && chNext != '.') {
+		return true;
+	}
+	// optional -/+ sign after exponent
+	if ((ch == '+' || ch == '-') && chPrev == 'e') {
+		return true;
+	}
+	// suffix
+	switch (ch) {
+	//case 'b': see hex
+	case 'g':
+	case 'k':
+	case 'l':
+	case 'm':
+	case 'n':
+	case 'p':
+	case 's':
+	case 't':
+	case 'u':
+	case 'y':
+		return true;
+	}
+	return false;
+}
+
 static void ColourisePowerShellDoc(Sci_PositionU startPos, Sci_Position length, int initStyle,
 				   WordList *keywordlists[], Accessor &styler) {
 
@@ -99,8 +134,14 @@ static void ColourisePowerShellDoc(Sci_PositionU startPos, Sci_Position length,
 				sc.SetState(SCE_POWERSHELL_DEFAULT);
 			}
 		} else if (sc.state == SCE_POWERSHELL_NUMBER) {
-			if (!IsADigit(sc.ch)) {
+			if (!IsNumericLiteral(MakeLowerCase(sc.chPrev),
+					      MakeLowerCase(sc.ch),
+					      MakeLowerCase(sc.chNext))) {
+				if (sc.MatchLineEnd() || IsASpaceOrTab(sc.ch) || isoperator(sc.ch)) {
 				sc.SetState(SCE_POWERSHELL_DEFAULT);
+				} else {
+					sc.ChangeState(SCE_POWERSHELL_IDENTIFIER);
+				}
 			}
 		} else if (sc.state == SCE_POWERSHELL_VARIABLE) {
 			if (!IsAWordChar(sc.ch)) {
@@ -146,7 +187,7 @@ static void ColourisePowerShellDoc(Sci_PositionU startPos, Sci_Position length,
 				sc.SetState(SCE_POWERSHELL_HERE_CHARACTER);
 			} else if (sc.ch == '$') {
 				sc.SetState(SCE_POWERSHELL_VARIABLE);
-			} else if (IsADigit(sc.ch) || (sc.ch == '.' && IsADigit(sc.chNext))) {
+			} else if (IsADigit(sc.ch) || (sc.chPrev != '.' && sc.ch == '.' && IsADigit(sc.chNext))) {
 				sc.SetState(SCE_POWERSHELL_NUMBER);
 			} else if (isoperator(sc.ch)) {
 				sc.SetState(SCE_POWERSHELL_OPERATOR);
diff --git a/lexilla/lexers_x/LexMarkdown.cxx b/lexilla/lexers_x/LexMarkdown.cxx
index 62c70a701..38c398e1e 100644
--- a/lexilla/lexers_x/LexMarkdown.cxx
+++ b/lexilla/lexers_x/LexMarkdown.cxx
@@ -367,6 +367,9 @@ static void ColorizeMarkdownDoc(Sci_PositionU startPos, Sci_Position length, int
                     sc.SetState(SCE_MARKDOWN_OLIST_ITEM);
                     sc.Forward(digitCount + 1);
                     sc.SetState(SCE_MARKDOWN_DEFAULT);
+                } else {
+                    // a textual number at the margin should be plain text
+                    sc.SetState(SCE_MARKDOWN_DEFAULT);
                 }
             }
             // Alternate Ordered list
diff --git a/lexilla/lexers_x/orig/LexMarkdown.cxx b/lexilla/lexers_x/orig/LexMarkdown.cxx
index 837cb89bf..ac2b9f9ec 100644
--- a/lexilla/lexers_x/orig/LexMarkdown.cxx
+++ b/lexilla/lexers_x/orig/LexMarkdown.cxx
@@ -387,6 +387,9 @@ static void ColorizeMarkdownDoc(Sci_PositionU startPos, Sci_Position length, int
                     sc.SetState(SCE_MARKDOWN_OLIST_ITEM);
                     sc.Forward(digitCount + 1);
                     sc.SetState(SCE_MARKDOWN_DEFAULT);
+                } else {
+                    // a textual number at the margin should be plain text
+                    sc.SetState(SCE_MARKDOWN_DEFAULT);
                 }
             }
             // Alternate Ordered list
diff --git a/lexilla/lexlib/CharacterCategory.cxx b/lexilla/lexlib/CharacterCategory.cxx
index bdbbb039a..e5d4f79f1 100644
--- a/lexilla/lexlib/CharacterCategory.cxx
+++ b/lexilla/lexlib/CharacterCategory.cxx
@@ -20,7 +20,7 @@ namespace {
 
 const int catRanges[] = {
 //++Autogenerated -- start of section automatically generated
-// Created with Python 3.9.4,  Unicode 13.0.0
+// Created with Python 3.11.0,  Unicode 14.0.0
 25,
 1046,
 1073,
@@ -683,8 +683,7 @@ const int catRanges[] = {
 49669,
 50033,
 50074,
-50109,
-50129,
+50097,
 50180,
 51203,
 51236,
@@ -749,11 +748,16 @@ const int catRanges[] = {
 68605,
 68612,
 68989,
+69124,
+69908,
+69924,
+70141,
+70170,
+70237,
+70405,
 70660,
-71357,
-71364,
-71965,
-72293,
+71971,
+72005,
 72794,
 72805,
 73830,
@@ -986,6 +990,7 @@ const int catRanges[] = {
 99645,
 99652,
 100189,
+100229,
 100260,
 100293,
 100390,
@@ -998,6 +1003,8 @@ const int catRanges[] = {
 101117,
 101124,
 101245,
+101284,
+101341,
 101380,
 101445,
 101533,
@@ -1034,7 +1041,7 @@ const int catRanges[] = {
 104925,
 105126,
 105213,
-105412,
+105380,
 105469,
 105476,
 105541,
@@ -1287,12 +1294,12 @@ const int catRanges[] = {
 187940,
 188221,
 188420,
-188861,
-188868,
 188997,
-189117,
-189444,
+189094,
+189149,
+189412,
 190021,
+190086,
 190129,
 190205,
 190468,
@@ -1328,7 +1335,7 @@ const int catRanges[] = {
 196849,
 196965,
 197082,
-197117,
+197093,
 197128,
 197469,
 197636,
@@ -1403,7 +1410,7 @@ const int catRanges[] = {
 218629,
 219079,
 219109,
-219197,
+219645,
 221189,
 221318,
 221348,
@@ -1416,13 +1423,14 @@ const int catRanges[] = {
 223301,
 223334,
 223396,
-223645,
+223677,
 223752,
 224081,
 224309,
 224613,
 224917,
-225213,
+225201,
+225277,
 225285,
 225350,
 225380,
@@ -1487,8 +1495,6 @@ const int catRanges[] = {
 241441,
 242531,
 243717,
-245597,
-245605,
 245760,
 245793,
 245824,
@@ -1850,7 +1856,7 @@ const int catRanges[] = {
 266755,
 267197,
 267283,
-268317,
+268349,
 268805,
 269223,
 269349,
@@ -2030,9 +2036,7 @@ const int catRanges[] = {
 357085,
 357109,
 360448,
-361981,
 361985,
-363517,
 363520,
 363553,
 363584,
@@ -2233,7 +2237,16 @@ const int catRanges[] = {
 378993,
 379413,
 379473,
-379517,
+379565,
+379598,
+379629,
+379662,
+379693,
+379726,
+379757,
+379790,
+379820,
+379869,
 380949,
 381789,
 381813,
@@ -2321,8 +2334,6 @@ const int catRanges[] = {
 425988,
 636949,
 638980,
-1310653,
-1310724,
 1311395,
 1311428,
 1348029,
@@ -2566,7 +2577,8 @@ const int catRanges[] = {
 1374113,
 1374144,
 1374177,
-1374237,
+1374208,
+1374241,
 1374272,
 1374305,
 1374336,
@@ -2574,6 +2586,18 @@ const int catRanges[] = {
 1374496,
 1374529,
 1374589,
+1374720,
+1374753,
+1374813,
+1374817,
+1374877,
+1374881,
+1374912,
+1374945,
+1374976,
+1375009,
+1375069,
+1375811,
 1375904,
 1375937,
 1375972,
@@ -2759,19 +2783,20 @@ const int catRanges[] = {
 2058429,
 2058436,
 2061908,
-2062429,
+2062461,
 2062948,
 2074574,
 2074605,
-2074653,
+2074645,
 2075140,
 2077213,
 2077252,
 2079005,
+2079221,
+2079261,
 2080260,
 2080659,
 2080693,
-2080733,
 2080773,
 2081297,
 2081517,
@@ -2961,13 +2986,34 @@ const int catRanges[] = {
 2139652,
 2141341,
 2141681,
-2141725,
+2141696,
+2142077,
+2142080,
+2142589,
+2142592,
+2142845,
+2142848,
+2142941,
+2142945,
+2143325,
+2143329,
+2143837,
+2143841,
+2144093,
+2144097,
+2144189,
 2146308,
 2156285,
 2156548,
 2157277,
 2157572,
 2157853,
+2158595,
+2158813,
+2158819,
+2160189,
+2160195,
+2160509,
 2162692,
 2162909,
 2162948,
@@ -3087,6 +3133,10 @@ const int catRanges[] = {
 2222634,
 2222769,
 2222941,
+2223620,
+2224197,
+2224337,
+2224477,
 2225668,
 2226346,
 2226589,
@@ -3101,7 +3151,11 @@ const int catRanges[] = {
 2230749,
 2230858,
 2231496,
-2231837,
+2231813,
+2231844,
+2231909,
+2231972,
+2232029,
 2232293,
 2232390,
 2232420,
@@ -3112,7 +3166,8 @@ const int catRanges[] = {
 2234225,
 2234298,
 2234321,
-2234461,
+2234437,
+2234493,
 2234810,
 2234845,
 2234884,
@@ -3288,7 +3343,8 @@ const int catRanges[] = {
 2283206,
 2283237,
 2283268,
-2283325,
+2283313,
+2283357,
 2283528,
 2283869,
 2285572,
@@ -3303,7 +3359,8 @@ const int catRanges[] = {
 2287434,
 2287505,
 2287605,
-2287645,
+2287620,
+2287869,
 2293764,
 2295174,
 2295269,
@@ -3377,7 +3434,7 @@ const int catRanges[] = {
 2315172,
 2315217,
 2315389,
-2316292,
+2315780,
 2318141,
 2326532,
 2326845,
@@ -3461,6 +3518,9 @@ const int catRanges[] = {
 2395837,
 2396164,
 2402461,
+2486788,
+2489905,
+2489981,
 2490372,
 2524669,
 2524698,
@@ -3474,7 +3534,10 @@ const int catRanges[] = {
 2968584,
 2968925,
 2969041,
-2969117,
+2969092,
+2971645,
+2971656,
+2971997,
 2972164,
 2973149,
 2973189,
@@ -3523,8 +3586,14 @@ const int catRanges[] = {
 3250909,
 3252228,
 3252541,
+3538435,
+3538589,
+3538595,
+3538845,
+3538851,
+3538941,
 3538948,
-3548157,
+3548285,
 3549700,
 3549821,
 3550340,
@@ -3544,6 +3613,12 @@ const int catRanges[] = {
 3642353,
 3642394,
 3642525,
+3792901,
+3794397,
+3794437,
+3795197,
+3795477,
+3799197,
 3801109,
 3808989,
 3809301,
@@ -3560,7 +3635,7 @@ const int catRanges[] = {
 3813781,
 3814725,
 3814869,
-3816765,
+3816829,
 3817493,
 3819589,
 3819701,
@@ -3676,6 +3751,10 @@ const int catRanges[] = {
 3888157,
 3888165,
 3888669,
+3923969,
+3924292,
+3924321,
+3924989,
 3932165,
 3932413,
 3932421,
@@ -3696,12 +3775,23 @@ const int catRanges[] = {
 3942852,
 3942901,
 3942941,
+3953156,
+3954117,
+3954173,
 3954692,
 3956101,
 3956232,
 3956573,
 3956723,
 3956765,
+3996676,
+3996925,
+3996932,
+3997085,
+3997092,
+3997181,
+3997188,
+3997693,
 3997700,
 4004029,
 4004074,
@@ -3823,7 +3913,7 @@ const int catRanges[] = {
 4095860,
 4096021,
 4119325,
-4119573,
+4119477,
 4119997,
 4120085,
 4120509,
@@ -3833,6 +3923,8 @@ const int catRanges[] = {
 4127549,
 4127765,
 4128157,
+4128277,
+4128317,
 4128789,
 4129181,
 4129301,
@@ -3846,27 +3938,27 @@ const int catRanges[] = {
 4134421,
 4134493,
 4136981,
-4140861,
-4140885,
-4143517,
-4143541,
 4147869,
 4148245,
 4148701,
 4148757,
 4148925,
 4149013,
-4149117,
+4149181,
 4149269,
 4149501,
 4149781,
-4150589,
+4150717,
 4150805,
-4151037,
+4151165,
 4151317,
-4151421,
+4151517,
 4151829,
-4152061,
+4152157,
+4152341,
+4152605,
+4152853,
+4153085,
 4153365,
 4158077,
 4158101,
@@ -3874,9 +3966,9 @@ const int catRanges[] = {
 4161032,
 4161373,
 4194308,
-5561309,
+5561373,
 5562372,
-5695165,
+5695293,
 5695492,
 5702621,
 5702660,
diff --git a/lexilla/scripts/HeaderOrder.txt b/lexilla/scripts/HeaderOrder.txt
index 72a752b2d..9467e73a5 100644
--- a/lexilla/scripts/HeaderOrder.txt
+++ b/lexilla/scripts/HeaderOrder.txt
@@ -46,6 +46,7 @@
 #include <iterator>
 #include <functional>
 #include <memory>
+#include <regex>
 #include <iostream>
 #include <sstream>
 #include <fstream>
diff --git a/lexilla/src/Lexilla/Info.plist b/lexilla/src/Lexilla/Info.plist
index bdb52e490..5ffb01a6b 100644
--- a/lexilla/src/Lexilla/Info.plist
+++ b/lexilla/src/Lexilla/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.2.0</string>
+	<string>5.2.1</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSHumanReadableCopyright</key>
diff --git a/lexilla/src/Lexilla/Lexilla.xcodeproj/project.pbxproj b/lexilla/src/Lexilla/Lexilla.xcodeproj/project.pbxproj
index 1a9ea35c8..2aac3534c 100644
--- a/lexilla/src/Lexilla/Lexilla.xcodeproj/project.pbxproj
+++ b/lexilla/src/Lexilla/Lexilla.xcodeproj/project.pbxproj
@@ -875,7 +875,7 @@
 			buildSettings = {
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 5.2.0;
+				CURRENT_PROJECT_VERSION = 5.2.1;
 				DEVELOPMENT_TEAM = 4F446KW87E;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
@@ -901,7 +901,7 @@
 			buildSettings = {
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 5.2.0;
+				CURRENT_PROJECT_VERSION = 5.2.1;
 				DEVELOPMENT_TEAM = 4F446KW87E;
 				DYLIB_COMPATIBILITY_VERSION = 1;
 				DYLIB_CURRENT_VERSION = 1;
diff --git a/lexilla/src/LexillaVersion.rc b/lexilla/src/LexillaVersion.rc
index 2f7dad5f8..d9cb4ea68 100644
--- a/lexilla/src/LexillaVersion.rc
+++ b/lexilla/src/LexillaVersion.rc
@@ -4,8 +4,8 @@
 
 #include <windows.h>
 
-#define VERSION_LEXILLA "5.2.0"
-#define VERSION_WORDS 5, 2, 0, 0
+#define VERSION_LEXILLA "5.2.1"
+#define VERSION_WORDS 5, 2, 1, 0
 
 VS_VERSION_INFO VERSIONINFO
 FILEVERSION	VERSION_WORDS
diff --git a/lexilla/src/lexilla.mak b/lexilla/src/lexilla.mak
index 564421773..48d2ecacf 100644
--- a/lexilla/src/lexilla.mak
+++ b/lexilla/src/lexilla.mak
@@ -38,7 +38,7 @@ SUBSYSTEM=-SUBSYSTEM:WINDOWS,10.00
 CRTFLAGS=-D_CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES=1 -D_CRT_SECURE_NO_DEPRECATE=1 $(ADD_DEFINE)
 CXXFLAGS=-Zi -TP -MP -W4 -EHsc -std:c++17 $(CRTFLAGS)
 CXXDEBUG=-Od -MTd -DDEBUG
-CXXNDEBUG=-O1 -MT -DNDEBUG -GL
+CXXNDEBUG=-O2 -MT -DNDEBUG -GL
 NAME=-Fo
 LDFLAGS=-OPT:REF -LTCG -IGNORE:4197 -DEBUG $(SUBSYSTEM) $(CETCOMPAT)
 LDDEBUG=
diff --git a/lexilla/version.txt b/lexilla/version.txt
index e157b5b5f..7c2b01823 100644
--- a/lexilla/version.txt
+++ b/lexilla/version.txt
@@ -1 +1 @@
-520
\ No newline at end of file
+521
\ No newline at end of file