Set release date to May 16th.

doc/html/en/Release Notes.html

@@ -40,7 +40,7 @@
 <span style="color:#ff0000;">To avoid hinting whether your volumes contain a hidden volume or not, or if you depend on plausible deniability when using hidden volumes/OS, then you must recreate both the outer and hidden volumes including system encryption and hidden OS, discarding existing volumes created prior to 1.18a version of VeraCrypt.</span></li>
 </p>
 
-<p><strong style="text-align:left">1.26.21</strong> (May 12<sup>th</sup>, 2025):</p>
+<p><strong style="text-align:left">1.26.21</strong> (May 16<sup>th</sup>, 2025):</p>
 <ul>
 <li><strong>All OSes:</strong>
 	<ul>

doc/html/ru/Release Notes.html

@@ -43,7 +43,7 @@
 VeraCrypt старее, чем 1.18a.</span></li>
 </p>
 
-<p><strong style="text-align:left">1.26.21</strong> (12 мая 2025 года):</p>
+<p><strong style="text-align:left">1.26.21</strong> (16 мая 2025 года):</p>
 <ul>
 <li><strong>Все ОС:</strong>
     <ul>

doc/html/zh-cn/Release Notes.html

@@ -40,7 +40,7 @@
 <span style="color:#ff0000;">为避免暴露您的卷是否包含隐藏卷，或者如果您在使用隐藏卷/操作系统时依赖似是而非的否认能力，那么您必须重新创建外部和隐藏卷，包括系统加密和隐藏操作系统，并丢弃VeraCrypt 1.18a版本之前创建的现有卷。</span></li>
 </p>
 
-<p><strong style="text-align:left">1.26.21</strong> (2025年5月12日):</p>
+<p><strong style="text-align:left">1.26.21</strong> (2025年5月16日):</p>
 <ul>
 <li><strong>所有操作系统:</strong>
     <ul>

src/Common/Tcdefs.h

@@ -73,7 +73,7 @@ extern unsigned short _rotl16(unsigned short value, unsigned char shift);
 #define VERSION_NUM						0x0126
 
 // Release date
-#define TC_STR_RELEASE_DATE			L"May 12, 2025"
+#define TC_STR_RELEASE_DATE			L"May 16, 2025"
 #define TC_RELEASE_DATE_YEAR			2025
 #define TC_RELEASE_DATE_MONTH			 5