diff --git a/api/test-current.txt b/api/test-current.txt
index f09fe1982aa70..ffb1a4c302392 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -16582,9 +16582,9 @@ package android.icu.text {
 
   public class DateIntervalFormat extends android.icu.text.UFormat {
     method public final java.lang.StringBuffer format(java.lang.Object, java.lang.StringBuffer, java.text.FieldPosition);
-    method public final java.lang.StringBuffer format(android.icu.util.DateInterval, java.lang.StringBuffer, java.text.FieldPosition);
-    method public final java.lang.StringBuffer format(android.icu.util.Calendar, android.icu.util.Calendar, java.lang.StringBuffer, java.text.FieldPosition);
-    method public android.icu.text.DateFormat getDateFormat();
+    method public final synchronized java.lang.StringBuffer format(android.icu.util.DateInterval, java.lang.StringBuffer, java.text.FieldPosition);
+    method public final synchronized java.lang.StringBuffer format(android.icu.util.Calendar, android.icu.util.Calendar, java.lang.StringBuffer, java.text.FieldPosition);
+    method public synchronized android.icu.text.DateFormat getDateFormat();
     method public android.icu.text.DateIntervalInfo getDateIntervalInfo();
     method public static final android.icu.text.DateIntervalFormat getInstance(java.lang.String);
     method public static final android.icu.text.DateIntervalFormat getInstance(java.lang.String, java.util.Locale);
@@ -50186,6 +50186,8 @@ package java.lang {
     field public static final java.lang.Character.UnicodeBlock ANCIENT_GREEK_NUMBERS;
     field public static final java.lang.Character.UnicodeBlock ANCIENT_SYMBOLS;
     field public static final java.lang.Character.UnicodeBlock ARABIC;
+    field public static final java.lang.Character.UnicodeBlock ARABIC_EXTENDED_A;
+    field public static final java.lang.Character.UnicodeBlock ARABIC_MATHEMATICAL_ALPHABETIC_SYMBOLS;
     field public static final java.lang.Character.UnicodeBlock ARABIC_PRESENTATION_FORMS_A;
     field public static final java.lang.Character.UnicodeBlock ARABIC_PRESENTATION_FORMS_B;
     field public static final java.lang.Character.UnicodeBlock ARABIC_SUPPLEMENT;
@@ -50208,6 +50210,7 @@ package java.lang {
     field public static final java.lang.Character.UnicodeBlock BUHID;
     field public static final java.lang.Character.UnicodeBlock BYZANTINE_MUSICAL_SYMBOLS;
     field public static final java.lang.Character.UnicodeBlock CARIAN;
+    field public static final java.lang.Character.UnicodeBlock CHAKMA;
     field public static final java.lang.Character.UnicodeBlock CHAM;
     field public static final java.lang.Character.UnicodeBlock CHEROKEE;
     field public static final java.lang.Character.UnicodeBlock CJK_COMPATIBILITY;
@@ -50313,6 +50316,10 @@ package java.lang {
     field public static final java.lang.Character.UnicodeBlock MATHEMATICAL_ALPHANUMERIC_SYMBOLS;
     field public static final java.lang.Character.UnicodeBlock MATHEMATICAL_OPERATORS;
     field public static final java.lang.Character.UnicodeBlock MEETEI_MAYEK;
+    field public static final java.lang.Character.UnicodeBlock MEETEI_MAYEK_EXTENSIONS;
+    field public static final java.lang.Character.UnicodeBlock MEROITIC_CURSIVE;
+    field public static final java.lang.Character.UnicodeBlock MEROITIC_HIEROGLYPHS;
+    field public static final java.lang.Character.UnicodeBlock MIAO;
     field public static final java.lang.Character.UnicodeBlock MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A;
     field public static final java.lang.Character.UnicodeBlock MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B;
     field public static final java.lang.Character.UnicodeBlock MISCELLANEOUS_SYMBOLS;
@@ -50348,12 +50355,15 @@ package java.lang {
     field public static final java.lang.Character.UnicodeBlock RUNIC;
     field public static final java.lang.Character.UnicodeBlock SAMARITAN;
     field public static final java.lang.Character.UnicodeBlock SAURASHTRA;
+    field public static final java.lang.Character.UnicodeBlock SHARADA;
     field public static final java.lang.Character.UnicodeBlock SHAVIAN;
     field public static final java.lang.Character.UnicodeBlock SINHALA;
     field public static final java.lang.Character.UnicodeBlock SMALL_FORM_VARIANTS;
+    field public static final java.lang.Character.UnicodeBlock SORA_SOMPENG;
     field public static final java.lang.Character.UnicodeBlock SPACING_MODIFIER_LETTERS;
     field public static final java.lang.Character.UnicodeBlock SPECIALS;
     field public static final java.lang.Character.UnicodeBlock SUNDANESE;
+    field public static final java.lang.Character.UnicodeBlock SUNDANESE_SUPPLEMENT;
     field public static final java.lang.Character.UnicodeBlock SUPERSCRIPTS_AND_SUBSCRIPTS;
     field public static final java.lang.Character.UnicodeBlock SUPPLEMENTAL_ARROWS_A;
     field public static final java.lang.Character.UnicodeBlock SUPPLEMENTAL_ARROWS_B;
@@ -50371,6 +50381,7 @@ package java.lang {
     field public static final java.lang.Character.UnicodeBlock TAI_THAM;
     field public static final java.lang.Character.UnicodeBlock TAI_VIET;
     field public static final java.lang.Character.UnicodeBlock TAI_XUAN_JING_SYMBOLS;
+    field public static final java.lang.Character.UnicodeBlock TAKRI;
     field public static final java.lang.Character.UnicodeBlock TAMIL;
     field public static final java.lang.Character.UnicodeBlock TELUGU;
     field public static final java.lang.Character.UnicodeBlock THAANA;
@@ -50410,6 +50421,7 @@ package java.lang {
     enum_constant public static final java.lang.Character.UnicodeScript BUHID;
     enum_constant public static final java.lang.Character.UnicodeScript CANADIAN_ABORIGINAL;
     enum_constant public static final java.lang.Character.UnicodeScript CARIAN;
+    enum_constant public static final java.lang.Character.UnicodeScript CHAKMA;
     enum_constant public static final java.lang.Character.UnicodeScript CHAM;
     enum_constant public static final java.lang.Character.UnicodeScript CHEROKEE;
     enum_constant public static final java.lang.Character.UnicodeScript COMMON;
@@ -50454,6 +50466,9 @@ package java.lang {
     enum_constant public static final java.lang.Character.UnicodeScript MALAYALAM;
     enum_constant public static final java.lang.Character.UnicodeScript MANDAIC;
     enum_constant public static final java.lang.Character.UnicodeScript MEETEI_MAYEK;
+    enum_constant public static final java.lang.Character.UnicodeScript MEROITIC_CURSIVE;
+    enum_constant public static final java.lang.Character.UnicodeScript MEROITIC_HIEROGLYPHS;
+    enum_constant public static final java.lang.Character.UnicodeScript MIAO;
     enum_constant public static final java.lang.Character.UnicodeScript MONGOLIAN;
     enum_constant public static final java.lang.Character.UnicodeScript MYANMAR;
     enum_constant public static final java.lang.Character.UnicodeScript NEW_TAI_LUE;
@@ -50472,8 +50487,10 @@ package java.lang {
     enum_constant public static final java.lang.Character.UnicodeScript RUNIC;
     enum_constant public static final java.lang.Character.UnicodeScript SAMARITAN;
     enum_constant public static final java.lang.Character.UnicodeScript SAURASHTRA;
+    enum_constant public static final java.lang.Character.UnicodeScript SHARADA;
     enum_constant public static final java.lang.Character.UnicodeScript SHAVIAN;
     enum_constant public static final java.lang.Character.UnicodeScript SINHALA;
+    enum_constant public static final java.lang.Character.UnicodeScript SORA_SOMPENG;
     enum_constant public static final java.lang.Character.UnicodeScript SUNDANESE;
     enum_constant public static final java.lang.Character.UnicodeScript SYLOTI_NAGRI;
     enum_constant public static final java.lang.Character.UnicodeScript SYRIAC;
@@ -50482,6 +50499,7 @@ package java.lang {
     enum_constant public static final java.lang.Character.UnicodeScript TAI_LE;
     enum_constant public static final java.lang.Character.UnicodeScript TAI_THAM;
     enum_constant public static final java.lang.Character.UnicodeScript TAI_VIET;
+    enum_constant public static final java.lang.Character.UnicodeScript TAKRI;
     enum_constant public static final java.lang.Character.UnicodeScript TAMIL;
     enum_constant public static final java.lang.Character.UnicodeScript TELUGU;
     enum_constant public static final java.lang.Character.UnicodeScript THAANA;