diff --git a/src/widecharwidth/widechar_width.h b/src/widecharwidth/widechar_width.h
index b1a1f43ef..e66e7a4e4 100644
--- a/src/widecharwidth/widechar_width.h
+++ b/src/widecharwidth/widechar_width.h
@@ -1,11 +1,21 @@
 /**
- * widechar_width.h, generated on 2022-02-14.
+ * widechar_width.h for Unicode 15.0.0
  * See https://github.com/ridiculousfish/widecharwidth/
  *
  * SHA1 file hashes:
- *  UnicodeData.txt:     8a5c26bfb27df8cfab23cf2c34c62d8d3075ae4d
- *  EastAsianWidth.txt:  8ec36ccac3852bf0c2f02e37c6151551cd14db72
- *  emoji-data.txt:      3f0ec08c001c4bc6df0b07d01068fc73808bfb4c
+ *  (
+ *  the hashes for generate.py and the template are git object hashes,
+ *  use `git log --all --find-object=<hash>` in the widecharwidth repository
+ *  to see which commit they correspond to,
+ *  or run `git hash-object` on the file to compare.
+ *  The other hashes are simple `sha1sum` style hashes.
+ *  )
+ *
+ *  generate.py:         6d63502e0a28f40351524953141ea802a79dced9
+ *  template.js:         1249763c5b7c1e308aeb4ca64f1e15bce1fab9b3
+ *  UnicodeData.txt:     3e1900295af0978ad6be3153de4c97d55198ab4b
+ *  EastAsianWidth.txt:  2637ce61d024cb25c768023fa4d7594b53474919
+ *  emoji-data.txt:      7754a51be6ebe38f906e4fe948720e0f3b78bfd7
  */
 
 #ifndef WIDECHAR_WIDTH_H
@@ -68,7 +78,7 @@ static const struct widechar_range widechar_nonprint_table[] = {
     {0x0FFF9, 0x0FFFB},
     {0x110BD, 0x110BD},
     {0x110CD, 0x110CD},
-    {0x13430, 0x13438},
+    {0x13430, 0x1343F},
     {0x1BCA0, 0x1BCA3},
     {0x1D173, 0x1D17A},
     {0xE0001, 0xE0001},
@@ -157,6 +167,7 @@ static const struct widechar_range widechar_combining_table[] = {
     {0x00CCA, 0x00CCD},
     {0x00CD5, 0x00CD6},
     {0x00CE2, 0x00CE3},
+    {0x00CF3, 0x00CF3},
     {0x00D00, 0x00D03},
     {0x00D3B, 0x00D3C},
     {0x00D3E, 0x00D44},
@@ -175,7 +186,7 @@ static const struct widechar_range widechar_combining_table[] = {
     {0x00E47, 0x00E4E},
     {0x00EB1, 0x00EB1},
     {0x00EB4, 0x00EBC},
-    {0x00EC8, 0x00ECD},
+    {0x00EC8, 0x00ECE},
     {0x00F18, 0x00F19},
     {0x00F35, 0x00F35},
     {0x00F37, 0x00F37},
@@ -277,6 +288,7 @@ static const struct widechar_range widechar_combining_table[] = {
     {0x10AE5, 0x10AE6},
     {0x10D24, 0x10D27},
     {0x10EAB, 0x10EAC},
+    {0x10EFD, 0x10EFF},
     {0x10F46, 0x10F50},
     {0x10F82, 0x10F85},
     {0x11000, 0x11002},
@@ -296,6 +308,7 @@ static const struct widechar_range widechar_combining_table[] = {
     {0x111CE, 0x111CF},
     {0x1122C, 0x11237},
     {0x1123E, 0x1123E},
+    {0x11241, 0x11241},
     {0x112DF, 0x112EA},
     {0x11300, 0x11303},
     {0x1133B, 0x1133C},
@@ -343,6 +356,12 @@ static const struct widechar_range widechar_combining_table[] = {
     {0x11D90, 0x11D91},
     {0x11D93, 0x11D97},
     {0x11EF3, 0x11EF6},
+    {0x11F00, 0x11F01},
+    {0x11F03, 0x11F03},
+    {0x11F34, 0x11F3A},
+    {0x11F3E, 0x11F42},
+    {0x13440, 0x13440},
+    {0x13447, 0x13455},
     {0x16AF0, 0x16AF4},
     {0x16B30, 0x16B36},
     {0x16F4F, 0x16F4F},
@@ -370,9 +389,11 @@ static const struct widechar_range widechar_combining_table[] = {
     {0x1E01B, 0x1E021},
     {0x1E023, 0x1E024},
     {0x1E026, 0x1E02A},
+    {0x1E08F, 0x1E08F},
     {0x1E130, 0x1E136},
     {0x1E2AE, 0x1E2AE},
     {0x1E2EC, 0x1E2EF},
+    {0x1E4EC, 0x1E4EF},
     {0x1E8D0, 0x1E8D6},
     {0x1E944, 0x1E94A},
     {0xE0100, 0xE01EF}
@@ -421,7 +442,9 @@ static const struct widechar_range widechar_doublewide_table[] = {
     {0x1AFF5, 0x1AFFB},
     {0x1AFFD, 0x1AFFE},
     {0x1B000, 0x1B122},
+    {0x1B132, 0x1B132},
     {0x1B150, 0x1B152},
+    {0x1B155, 0x1B155},
     {0x1B164, 0x1B167},
     {0x1B170, 0x1B2FB},
     {0x1F200, 0x1F200},
@@ -437,7 +460,7 @@ static const struct widechar_range widechar_doublewide_table[] = {
     {0x1F5A4, 0x1F5A4},
     {0x1F6D1, 0x1F6D2},
     {0x1F6D5, 0x1F6D7},
-    {0x1F6DD, 0x1F6DF},
+    {0x1F6DC, 0x1F6DF},
     {0x1F6F4, 0x1F6FC},
     {0x1F7E0, 0x1F7EB},
     {0x1F7F0, 0x1F7F0},
@@ -447,15 +470,13 @@ static const struct widechar_range widechar_doublewide_table[] = {
     {0x1F947, 0x1F97F},
     {0x1F985, 0x1F9BF},
     {0x1F9C1, 0x1F9FF},
-    {0x1FA70, 0x1FA74},
-    {0x1FA78, 0x1FA7C},
-    {0x1FA80, 0x1FA86},
-    {0x1FA90, 0x1FAAC},
-    {0x1FAB0, 0x1FABA},
-    {0x1FAC0, 0x1FAC5},
-    {0x1FAD0, 0x1FAD9},
-    {0x1FAE0, 0x1FAE7},
-    {0x1FAF0, 0x1FAF6},
+    {0x1FA70, 0x1FA7C},
+    {0x1FA80, 0x1FA88},
+    {0x1FA90, 0x1FABD},
+    {0x1FABF, 0x1FAC5},
+    {0x1FACE, 0x1FADB},
+    {0x1FAE0, 0x1FAE8},
+    {0x1FAF0, 0x1FAF8},
     {0x20000, 0x2FFFD},
     {0x30000, 0x3FFFD}
 };
@@ -766,7 +787,7 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x00CDF, 0x00CDF},
     {0x00CE4, 0x00CE5},
     {0x00CF0, 0x00CF0},
-    {0x00CF3, 0x00CFF},
+    {0x00CF4, 0x00CFF},
     {0x00D0D, 0x00D0D},
     {0x00D11, 0x00D11},
     {0x00D45, 0x00D45},
@@ -796,7 +817,7 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x00EBE, 0x00EBF},
     {0x00EC5, 0x00EC5},
     {0x00EC7, 0x00EC7},
-    {0x00ECE, 0x00ECF},
+    {0x00ECF, 0x00ECF},
     {0x00EDA, 0x00EDB},
     {0x00EE0, 0x00EFF},
     {0x00F48, 0x00F48},
@@ -1067,7 +1088,7 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x10E7F, 0x10E7F},
     {0x10EAA, 0x10EAA},
     {0x10EAE, 0x10EAF},
-    {0x10EB2, 0x10EFF},
+    {0x10EB2, 0x10EFC},
     {0x10F28, 0x10F2F},
     {0x10F5A, 0x10F6F},
     {0x10F8A, 0x10FAF},
@@ -1085,7 +1106,7 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x111E0, 0x111E0},
     {0x111F5, 0x111FF},
     {0x11212, 0x11212},
-    {0x1123F, 0x1127F},
+    {0x11242, 0x1127F},
     {0x11287, 0x11287},
     {0x11289, 0x11289},
     {0x1128E, 0x1128E},
@@ -1137,7 +1158,8 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x119E5, 0x119FF},
     {0x11A48, 0x11A4F},
     {0x11AA3, 0x11AAF},
-    {0x11AF9, 0x11BFF},
+    {0x11AF9, 0x11AFF},
+    {0x11B0A, 0x11BFF},
     {0x11C09, 0x11C09},
     {0x11C37, 0x11C37},
     {0x11C46, 0x11C4F},
@@ -1158,7 +1180,10 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x11D92, 0x11D92},
     {0x11D99, 0x11D9F},
     {0x11DAA, 0x11EDF},
-    {0x11EF9, 0x11FAF},
+    {0x11EF9, 0x11EFF},
+    {0x11F11, 0x11F11},
+    {0x11F3B, 0x11F3D},
+    {0x11F5A, 0x11FAF},
     {0x11FB1, 0x11FBF},
     {0x11FF2, 0x11FFE},
     {0x1239A, 0x123FF},
@@ -1166,8 +1191,7 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x12475, 0x1247F},
     {0x12544, 0x12F8F},
     {0x12FF3, 0x12FFF},
-    {0x1342F, 0x1342F},
-    {0x13439, 0x143FF},
+    {0x13456, 0x143FF},
     {0x14647, 0x167FF},
     {0x16A39, 0x16A3F},
     {0x16A5F, 0x16A5F},
@@ -1195,8 +1219,10 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x1AFF4, 0x1AFF4},
     {0x1AFFC, 0x1AFFC},
     {0x1AFFF, 0x1AFFF},
-    {0x1B123, 0x1B14F},
-    {0x1B153, 0x1B163},
+    {0x1B123, 0x1B131},
+    {0x1B133, 0x1B14F},
+    {0x1B153, 0x1B154},
+    {0x1B156, 0x1B163},
     {0x1B168, 0x1B16F},
     {0x1B2FC, 0x1BBFF},
     {0x1BC6B, 0x1BC6F},
@@ -1210,7 +1236,8 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x1D0F6, 0x1D0FF},
     {0x1D127, 0x1D128},
     {0x1D1EB, 0x1D1FF},
-    {0x1D246, 0x1D2DF},
+    {0x1D246, 0x1D2BF},
+    {0x1D2D4, 0x1D2DF},
     {0x1D2F4, 0x1D2FF},
     {0x1D357, 0x1D35F},
     {0x1D379, 0x1D3FF},
@@ -1237,19 +1264,23 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x1DA8C, 0x1DA9A},
     {0x1DAA0, 0x1DAA0},
     {0x1DAB0, 0x1DEFF},
-    {0x1DF1F, 0x1DFFF},
+    {0x1DF1F, 0x1DF24},
+    {0x1DF2B, 0x1DFFF},
     {0x1E007, 0x1E007},
     {0x1E019, 0x1E01A},
     {0x1E022, 0x1E022},
     {0x1E025, 0x1E025},
-    {0x1E02B, 0x1E0FF},
+    {0x1E02B, 0x1E02F},
+    {0x1E06E, 0x1E08E},
+    {0x1E090, 0x1E0FF},
     {0x1E12D, 0x1E12F},
     {0x1E13E, 0x1E13F},
     {0x1E14A, 0x1E14D},
     {0x1E150, 0x1E28F},
     {0x1E2AF, 0x1E2BF},
     {0x1E2FA, 0x1E2FE},
-    {0x1E300, 0x1E7DF},
+    {0x1E300, 0x1E4CF},
+    {0x1E4FA, 0x1E7DF},
     {0x1E7E7, 0x1E7E7},
     {0x1E7EC, 0x1E7EC},
     {0x1E7EF, 0x1E7EF},
@@ -1307,11 +1338,11 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x1F249, 0x1F24F},
     {0x1F252, 0x1F25F},
     {0x1F266, 0x1F2FF},
-    {0x1F6D8, 0x1F6DC},
+    {0x1F6D8, 0x1F6DB},
     {0x1F6ED, 0x1F6EF},
     {0x1F6FD, 0x1F6FF},
-    {0x1F774, 0x1F77F},
-    {0x1F7D9, 0x1F7DF},
+    {0x1F777, 0x1F77A},
+    {0x1F7DA, 0x1F7DF},
     {0x1F7EC, 0x1F7EF},
     {0x1F7F1, 0x1F7FF},
     {0x1F80C, 0x1F80F},
@@ -1322,22 +1353,20 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x1F8B2, 0x1F8FF},
     {0x1FA54, 0x1FA5F},
     {0x1FA6E, 0x1FA6F},
-    {0x1FA75, 0x1FA77},
     {0x1FA7D, 0x1FA7F},
-    {0x1FA87, 0x1FA8F},
-    {0x1FAAD, 0x1FAAF},
-    {0x1FABB, 0x1FABF},
-    {0x1FAC6, 0x1FACF},
-    {0x1FADA, 0x1FADF},
-    {0x1FAE8, 0x1FAEF},
-    {0x1FAF7, 0x1FAFF},
+    {0x1FA89, 0x1FA8F},
+    {0x1FABE, 0x1FABE},
+    {0x1FAC6, 0x1FACD},
+    {0x1FADC, 0x1FADF},
+    {0x1FAE9, 0x1FAEF},
+    {0x1FAF9, 0x1FAFF},
     {0x1FB93, 0x1FB93},
     {0x1FBCB, 0x1FBEF},
     {0x1FBFA, 0x1FFFD},
     {0x20001, 0x2A6DE},
     {0x2A6E0, 0x2A6FF},
-    {0x2A701, 0x2B737},
-    {0x2B739, 0x2B73F},
+    {0x2A701, 0x2B738},
+    {0x2B73A, 0x2B73F},
     {0x2B741, 0x2B81C},
     {0x2B81E, 0x2B81F},
     {0x2B821, 0x2CEA0},
@@ -1346,7 +1375,9 @@ static const struct widechar_range widechar_unassigned_table[] = {
     {0x2EBE1, 0x2F7FF},
     {0x2FA1E, 0x2FFFD},
     {0x30001, 0x31349},
-    {0x3134B, 0x3FFFD},
+    {0x3134B, 0x3134F},
+    {0x31351, 0x323AE},
+    {0x323B0, 0x3FFFD},
     {0x40000, 0x4FFFD},
     {0x50000, 0x5FFFD},
     {0x60000, 0x6FFFD},