diff --git a/terminal/bidi.c b/terminal/bidi.c
index 47bfaedf..ba92118b 100644
--- a/terminal/bidi.c
+++ b/terminal/bidi.c
@@ -13,11 +13,11 @@
  * -----------------
  *
  * This algorithm is up to date with Unicode Standard Annex #9
- * revision 44:
+ * revision 46:
  *
- *   https://www.unicode.org/reports/tr9/tr9-44.html
+ *   https://www.unicode.org/reports/tr9/tr9-46.html
  *
- * and passes the full conformance test suite in Unicode 14.0.0.
+ * and passes the full conformance test suite in Unicode 15.0.0.
  *
  * Paragraph and line handling
  * ---------------------------
diff --git a/unicode/ambiguous_wide_chars.h b/unicode/ambiguous_wide_chars.h
index 13aa45d6..63ca9474 100644
--- a/unicode/ambiguous_wide_chars.h
+++ b/unicode/ambiguous_wide_chars.h
@@ -1,5 +1,5 @@
 /*
- * Autogenerated by read_ucd.py from The Unicode Standard 14.0.0
+ * Autogenerated by read_ucd.py from The Unicode Standard 15.0.0
  *
  * Identify Unicode characters that are width-ambiguous: some regimes
  * regard them as occupying two adjacent character cells in a terminal,
diff --git a/unicode/bidi_brackets.h b/unicode/bidi_brackets.h
index f3a69d9f..1a846d49 100644
--- a/unicode/bidi_brackets.h
+++ b/unicode/bidi_brackets.h
@@ -1,5 +1,5 @@
 /*
- * Autogenerated by read_ucd.py from The Unicode Standard 14.0.0
+ * Autogenerated by read_ucd.py from The Unicode Standard 15.0.0
  *
  * Identify Unicode characters that count as brackets for the purposes of
  * bidirectional text layout. For each one, indicate whether it's an open
diff --git a/unicode/bidi_mirror.h b/unicode/bidi_mirror.h
index 6bba00b4..b7c7f629 100644
--- a/unicode/bidi_mirror.h
+++ b/unicode/bidi_mirror.h
@@ -1,5 +1,5 @@
 /*
- * Autogenerated by read_ucd.py from The Unicode Standard 14.0.0
+ * Autogenerated by read_ucd.py from The Unicode Standard 15.0.0
  *
  * Map each Unicode character to its mirrored form when printing right to
  * left.
diff --git a/unicode/bidi_type.h b/unicode/bidi_type.h
index 0feb49b0..8feaa005 100644
--- a/unicode/bidi_type.h
+++ b/unicode/bidi_type.h
@@ -1,5 +1,5 @@
 /*
- * Autogenerated by read_ucd.py from The Unicode Standard 14.0.0
+ * Autogenerated by read_ucd.py from The Unicode Standard 15.0.0
  *
  * Bidirectional type of every Unicode character, excluding those with
  * type ON.
@@ -291,7 +291,7 @@
 {0x0ce0, 0x0ce1, L},
 {0x0ce2, 0x0ce3, NSM},
 {0x0ce6, 0x0cef, L},
-{0x0cf1, 0x0cf2, L},
+{0x0cf1, 0x0cf3, L},
 {0x0d00, 0x0d01, NSM},
 {0x0d02, 0x0d0c, L},
 {0x0d0e, 0x0d10, L},
@@ -340,7 +340,7 @@
 {0x0ebd, 0x0ebd, L},
 {0x0ec0, 0x0ec4, L},
 {0x0ec6, 0x0ec6, L},
-{0x0ec8, 0x0ecd, NSM},
+{0x0ec8, 0x0ece, NSM},
 {0x0ed0, 0x0ed9, L},
 {0x0edc, 0x0edf, L},
 {0x0f00, 0x0f17, L},
@@ -889,6 +889,7 @@
 {0x10eab, 0x10eac, NSM},
 {0x10ead, 0x10ead, R},
 {0x10eb0, 0x10eb1, R},
+{0x10efd, 0x10eff, NSM},
 {0x10f00, 0x10f27, R},
 {0x10f30, 0x10f45, AL},
 {0x10f46, 0x10f50, NSM},
@@ -945,6 +946,8 @@
 {0x11236, 0x11237, NSM},
 {0x11238, 0x1123d, L},
 {0x1123e, 0x1123e, NSM},
+{0x1123f, 0x11240, L},
+{0x11241, 0x11241, NSM},
 {0x11280, 0x11286, L},
 {0x11288, 0x11288, L},
 {0x1128a, 0x1128d, L},
@@ -1073,6 +1076,7 @@
 {0x11a98, 0x11a99, NSM},
 {0x11a9a, 0x11aa2, L},
 {0x11ab0, 0x11af8, L},
+{0x11b00, 0x11b09, L},
 {0x11c00, 0x11c08, L},
 {0x11c0a, 0x11c2f, L},
 {0x11c30, 0x11c36, NSM},
@@ -1110,6 +1114,15 @@
 {0x11ee0, 0x11ef2, L},
 {0x11ef3, 0x11ef4, NSM},
 {0x11ef5, 0x11ef8, L},
+{0x11f00, 0x11f01, NSM},
+{0x11f02, 0x11f10, L},
+{0x11f12, 0x11f35, L},
+{0x11f36, 0x11f3a, NSM},
+{0x11f3e, 0x11f3f, L},
+{0x11f40, 0x11f40, NSM},
+{0x11f41, 0x11f41, L},
+{0x11f42, 0x11f42, NSM},
+{0x11f43, 0x11f59, L},
 {0x11fb0, 0x11fb0, L},
 {0x11fc0, 0x11fd4, L},
 {0x11fdd, 0x11fe0, ET},
@@ -1118,8 +1131,10 @@
 {0x12470, 0x12474, L},
 {0x12480, 0x12543, L},
 {0x12f90, 0x12ff2, L},
-{0x13000, 0x1342e, L},
-{0x13430, 0x13438, L},
+{0x13000, 0x1343f, L},
+{0x13440, 0x13440, NSM},
+{0x13441, 0x13446, L},
+{0x13447, 0x13455, NSM},
 {0x14400, 0x14646, L},
 {0x16800, 0x16a38, L},
 {0x16a40, 0x16a5e, L},
@@ -1153,7 +1168,9 @@
 {0x1aff5, 0x1affb, L},
 {0x1affd, 0x1affe, L},
 {0x1b000, 0x1b122, L},
+{0x1b132, 0x1b132, L},
 {0x1b150, 0x1b152, L},
+{0x1b155, 0x1b155, L},
 {0x1b164, 0x1b167, L},
 {0x1b170, 0x1b2fb, L},
 {0x1bc00, 0x1bc6a, L},
@@ -1180,6 +1197,7 @@
 {0x1d1aa, 0x1d1ad, NSM},
 {0x1d1ae, 0x1d1e8, L},
 {0x1d242, 0x1d244, NSM},
+{0x1d2c0, 0x1d2d3, L},
 {0x1d2e0, 0x1d2f3, L},
 {0x1d360, 0x1d378, L},
 {0x1d400, 0x1d454, L},
@@ -1220,11 +1238,14 @@
 {0x1da9b, 0x1da9f, NSM},
 {0x1daa1, 0x1daaf, NSM},
 {0x1df00, 0x1df1e, L},
+{0x1df25, 0x1df2a, L},
 {0x1e000, 0x1e006, NSM},
 {0x1e008, 0x1e018, NSM},
 {0x1e01b, 0x1e021, NSM},
 {0x1e023, 0x1e024, NSM},
 {0x1e026, 0x1e02a, NSM},
+{0x1e030, 0x1e06d, L},
+{0x1e08f, 0x1e08f, NSM},
 {0x1e100, 0x1e12c, L},
 {0x1e130, 0x1e136, NSM},
 {0x1e137, 0x1e13d, L},
@@ -1236,6 +1257,9 @@
 {0x1e2ec, 0x1e2ef, NSM},
 {0x1e2f0, 0x1e2f9, L},
 {0x1e2ff, 0x1e2ff, ET},
+{0x1e4d0, 0x1e4eb, L},
+{0x1e4ec, 0x1e4ef, NSM},
+{0x1e4f0, 0x1e4f9, L},
 {0x1e7e0, 0x1e7e6, L},
 {0x1e7e8, 0x1e7eb, L},
 {0x1e7ed, 0x1e7ee, L},
@@ -1293,12 +1317,13 @@
 {0x1f250, 0x1f251, L},
 {0x1fbf0, 0x1fbf9, EN},
 {0x20000, 0x2a6df, L},
-{0x2a700, 0x2b738, L},
+{0x2a700, 0x2b739, L},
 {0x2b740, 0x2b81d, L},
 {0x2b820, 0x2cea1, L},
 {0x2ceb0, 0x2ebe0, L},
 {0x2f800, 0x2fa1d, L},
 {0x30000, 0x3134a, L},
+{0x31350, 0x323af, L},
 {0xe0001, 0xe0001, BN},
 {0xe0020, 0xe007f, BN},
 {0xe0100, 0xe01ef, NSM},
diff --git a/unicode/nonspacing_chars.h b/unicode/nonspacing_chars.h
index 6fe6f634..14727594 100644
--- a/unicode/nonspacing_chars.h
+++ b/unicode/nonspacing_chars.h
@@ -1,5 +1,5 @@
 /*
- * Autogenerated by read_ucd.py from The Unicode Standard 14.0.0
+ * Autogenerated by read_ucd.py from The Unicode Standard 15.0.0
  *
  * Identify Unicode characters that occupy no character cells of a
  * terminal.
@@ -102,7 +102,7 @@
 {0x0e47, 0x0e4e},
 {0x0eb1, 0x0eb1},
 {0x0eb4, 0x0ebc},
-{0x0ec8, 0x0ecd},
+{0x0ec8, 0x0ece},
 {0x0f18, 0x0f19},
 {0x0f35, 0x0f35},
 {0x0f37, 0x0f37},
@@ -236,6 +236,7 @@
 {0x10ae5, 0x10ae6},
 {0x10d24, 0x10d27},
 {0x10eab, 0x10eac},
+{0x10efd, 0x10eff},
 {0x10f46, 0x10f50},
 {0x10f82, 0x10f85},
 {0x11001, 0x11001},
@@ -260,6 +261,7 @@
 {0x11234, 0x11234},
 {0x11236, 0x11237},
 {0x1123e, 0x1123e},
+{0x11241, 0x11241},
 {0x112df, 0x112df},
 {0x112e3, 0x112ea},
 {0x11300, 0x11301},
@@ -321,7 +323,12 @@
 {0x11d95, 0x11d95},
 {0x11d97, 0x11d97},
 {0x11ef3, 0x11ef4},
-{0x13430, 0x13438},
+{0x11f00, 0x11f01},
+{0x11f36, 0x11f3a},
+{0x11f40, 0x11f40},
+{0x11f42, 0x11f42},
+{0x13430, 0x13440},
+{0x13447, 0x13455},
 {0x16af0, 0x16af4},
 {0x16b30, 0x16b36},
 {0x16f4f, 0x16f4f},
@@ -347,9 +354,11 @@
 {0x1e01b, 0x1e021},
 {0x1e023, 0x1e024},
 {0x1e026, 0x1e02a},
+{0x1e08f, 0x1e08f},
 {0x1e130, 0x1e136},
 {0x1e2ae, 0x1e2ae},
 {0x1e2ec, 0x1e2ef},
+{0x1e4ec, 0x1e4ef},
 {0x1e8d0, 0x1e8d6},
 {0x1e944, 0x1e94a},
 {0xe0001, 0xe0001},
diff --git a/unicode/wide_chars.h b/unicode/wide_chars.h
index c045f21f..bac8ea39 100644
--- a/unicode/wide_chars.h
+++ b/unicode/wide_chars.h
@@ -1,5 +1,5 @@
 /*
- * Autogenerated by read_ucd.py from The Unicode Standard 14.0.0
+ * Autogenerated by read_ucd.py from The Unicode Standard 15.0.0
  *
  * Identify Unicode characters that occupy two adjacent character cells
  * in a terminal.
@@ -75,7 +75,9 @@
 {0x1aff5, 0x1affb},
 {0x1affd, 0x1affe},
 {0x1b000, 0x1b122},
+{0x1b132, 0x1b132},
 {0x1b150, 0x1b152},
+{0x1b155, 0x1b155},
 {0x1b164, 0x1b167},
 {0x1b170, 0x1b2fb},
 {0x1f004, 0x1f004},
@@ -109,7 +111,7 @@
 {0x1f6cc, 0x1f6cc},
 {0x1f6d0, 0x1f6d2},
 {0x1f6d5, 0x1f6d7},
-{0x1f6dd, 0x1f6df},
+{0x1f6dc, 0x1f6df},
 {0x1f6eb, 0x1f6ec},
 {0x1f6f4, 0x1f6fc},
 {0x1f7e0, 0x1f7eb},
@@ -117,14 +119,12 @@
 {0x1f90c, 0x1f93a},
 {0x1f93c, 0x1f945},
 {0x1f947, 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},