diff --git a/charclass_invlists.inc b/charclass_invlists.inc
index 50dfd4b65bf6..2e66955eb114 100644
--- a/charclass_invlists.inc
+++ b/charclass_invlists.inc
@@ -436055,7 +436055,7 @@ static const U8 WB_table[23][23] = {
  * 3f4f32ed2a577344a508114527e721d7a8b633d32f38945d47fe0c743650c585 lib/unicore/extracted/DLineBreak.txt
  * 710abf2d581ac9c57f244c0834f9d9969d9781e0396adccd330eaae658ac7d6b lib/unicore/extracted/DNumType.txt
  * 6bd30f385f3baf3ab5d5308c111a81de87bea5f494ba0ba69e8ab45263b8c34d lib/unicore/extracted/DNumValues.txt
- * 8968a5ee00063fa31ff15474b95ccb6b9c228e3ebad6c20bc77f4225187e2023 lib/unicore/mktables
+ * 4b2ad6e7689bea5acec1b52fa813a60fdac125a5cc6901cc02be3093b1697894 lib/unicore/mktables
  * 55d90fdc3f902e5c0b16b3378f9eaa36e970a1c09723c33de7d47d0370044012 lib/unicore/version
  * 0a6b5ab33bb1026531f816efe81aea1a8ffcd34a27cbea37dd6a70a63d73c844 regen/charset_translations.pl
  * c7ff8e0d207d3538c7feb4a1a152b159e5e902d20293b303569ea8323e84633e regen/mk_PL_charclass.pl
diff --git a/lib/unicore/mktables b/lib/unicore/mktables
index a10ec339bdb1..a2f20a0bef5f 100644
--- a/lib/unicore/mktables
+++ b/lib/unicore/mktables
@@ -871,6 +871,15 @@ push @tables_that_may_be_empty, 'Grapheme_Cluster_Break=Prepend'
 push @tables_that_may_be_empty, 'Canonical_Combining_Class=CCC133'
                                                     if $v_version ge v6.2.0;
 
+# These properties of Egyptian hieroglyphs are not handled by Perl.  Their
+# intended audience is only specialist Egyptologists
+push @tables_that_may_be_empty, qw(kEH_Cat kEH_Desc kEH_HG kEH_IFAO
+                                   kEH_JSesh
+                                   kEH_NoMirror kEH_NoMirror=Yes
+                                   kEH_NoMirror=No
+                                   kEH_NoRotate kEH_NoRotate=Yes)
+                                                    if $v_version ge v16.0.0;
+
 # The lists below are hashes, so the key is the item in the list, and the
 # value is the reason why it is in the list.  This makes generation of
 # documentation easier.
@@ -3618,6 +3627,11 @@ sub trace { return main::trace(@_); }
         return $standard_form{$addr} = main::standardize($value);
     }
 
+    sub count($self) {
+        my $addr = pack 'J', refaddr $self;
+        return $end{$addr} - $start{$addr} + 1;
+    }
+
     sub dump($self, $indent) {
         # Human, not machine readable.  For machine readable, comment out this
         # entire routine and let the standard one take effect.
@@ -4802,7 +4816,7 @@ sub trace { return main::trace(@_); }
 
         my $count = 0;
         foreach my $range (@{$ranges{$addr}}) {
-            $count += $range->end - $range->start + 1;
+            $count += $range->count;
         }
         return $count;
     }
@@ -6019,7 +6033,7 @@ END
                         # points"
                         my $count = ($set->type != 0)
                                     ? 1
-                                    : $set->end - $set->start + 1;
+                                    : $set->count;
                         $widths{$this_width} += $count;
                         $total += $count;
                         $max_map_width = $this_width
@@ -8811,7 +8825,7 @@ sub trace { return main::trace(@_) if main::DEBUG && $to_trace }
     # filesystem to distinguish between, this is used to manually give short
     # names for the directory name immediately under $match_tables that the
     # match tables for this property should be placed in.
-    main::set_access('match_subdir', \%match_subdir, 'r');
+    main::set_access('match_subdir', \%match_subdir, 'r', 's');
 
     my %has_dependency;
     # A boolean that gives whether some table somewhere is defined as the
@@ -9986,7 +10000,6 @@ sub process_PropertyAliases($file) {
         for my $i (2 .. @data - 1) {
             $this->add_alias($data[$i]);
         }
-
     }
 
     my $scf = property_ref("Simple_Case_Folding");
@@ -10049,10 +10062,13 @@ sub finish_property_setup($file) {
     # file directly (it was documented in 5.12 and 5.14 as being thusly
     # usable), keep it from being adjusted.  (range_size_1 is
     # used to force the traditional format.)
-    if (defined (my $nfkc_cf = property_ref('NFKC_Casefold'))) {
-        $nfkc_cf->set_to_output_map($EXTERNAL_MAP);
-        $nfkc_cf->set_range_size_1(1);
+    foreach my $property (qw(NFKC_Casefold NFKC_Simple_Casefold)) {
+        if (defined (my $cf = property_ref($property))) {
+            $cf->set_to_output_map($EXTERNAL_MAP);
+            $cf->set_range_size_1(1);
+        }
     }
+
     if (defined (my $bmg = property_ref('Bidi_Mirroring_Glyph'))) {
         $bmg->set_to_output_map($EXTERNAL_MAP);
         $bmg->set_range_size_1(1);
@@ -10060,6 +10076,14 @@ sub finish_property_setup($file) {
 
     property_ref('Numeric_Value')->set_to_output_map($OUTPUT_ADJUSTED);
 
+    # These two properties have no short names and the file names for them
+    # clash in DOS 8.3.  Work around this by creating shorter file names that
+    # work
+    my $IDCMStart = property_ref("ID_Compat_Math_Start");
+    $IDCMStart->set_match_subdir("IDCMStart") if defined $IDCMStart;
+    my $IDCMCont= property_ref("ID_Compat_Math_Continue");
+    $IDCMCont->set_match_subdir("IDCMContinue") if defined $IDCMCont;
+
     # The rest of this sub is for properties that need the Multi_Default class
     # to create objects for defaults.  As of v15.0, this is no longer needed.
 
@@ -13375,6 +13399,30 @@ sub filter_early_version_name_alias_line {
     return;
 }
 
+sub setup_Unikemet{
+
+    # These are provisional properties, so aren't in PropAliases.txt
+    my %properties = (
+                      Core => $ENUM,
+                      FVal => $STRING,
+                      Func => $STRING,
+                      UniK => $ENUM,
+                     );
+    for my $property (keys %properties) {
+        Property->new("kEH_$property",
+                      Default_Map => "",
+                      Type => $STRING,,
+                     );
+    }
+}
+
+sub filter_Unikemet_line {
+    $_ =~ s/;/,/g;      # mktables can't accept semi-colons
+    $_ =~ s/\t/; /g;
+    $_ =~ s/ ^ U\+ //x;
+    return;
+}
+
 sub filter_all_caps_script_names {
 
     # Some early Unicode releases had the script names in all CAPS.  This
@@ -13736,6 +13784,10 @@ END
         next if $range->start == 0x1D7CE;   # This whole range was added in 3.1
         next if $range->end == 0x19DA && $v_version eq v5.2.0;
         next if $range->end - $range->start < 9 && $v_version le 4.0.0;
+
+        # 2 sequential series of 10 each were added in 16.0
+        next if $range->start == 0x116D0 && $range->end == 0x116E3;
+
         Carp::my_carp("Range $range unexpectedly doesn't contain 10"
                     . " decimal digits.  Code in regcomp.c assumes it does,"
                     . " and will have to be fixed.  Proceeding anyway.");
@@ -15179,11 +15231,11 @@ END
 
     # Perl tailors the WordBreak property so that \b{wb} doesn't split
     # adjacent spaces into separate words.  Unicode 11.0 moved in that
-    # direction, but left TAB,  FIGURE SPACE (U+2007), and (ironically) NO
-    # BREAK SPACE as breaking, so we retained the original Perl customization.
-    # To do this, in the Perl copy of WB, simply replace the mappings of
-    # horizontal space characters that otherwise would map to the default or
-    # the 11.0 'WSegSpace' to instead map to our tailoring.
+    # direction, but left TAB,  FIGURE SPACE (U+2007), and (ironically)
+    # NO_BREAK SPACE as breaking, so we retained the original Perl
+    # customization.  To do this, in the Perl copy of WB, simply replace the
+    # mappings of horizontal space characters that otherwise would map to the
+    # default or the 11.0 'WSegSpace' to instead map to our tailoring.
     my $perl_wb = property_ref('_Perl_WB');
     my $default = $perl_wb->default_map;
     for my $range ($Blank->ranges) {
@@ -19778,13 +19830,21 @@ my @input_file_objects = (
                    ),
     Input_file->new('IdStatus.txt', v13.0.0,
                     Pre_Handler => \&setup_IdStatus,
+                    Has_Missings_Defaults => $IGNORED,
                     Property => 'Identifier_Status',
+
+                    # Part of UTS 39, so must be downloaded separately from
+                    # unicode.org
                     UCD => 0,
                    ),
     Input_file->new('IdType.txt', v13.0.0,
                     Pre_Handler => \&setup_IdType,
+                    Has_Missings_Defaults => $IGNORED,
                     Each_Line_Handler => \&filter_IdType_line,
                     Property => 'Identifier_Type',
+
+                    # Part of UTS 39, so must be downloaded separately from
+                    # unicode.org
                     UCD => 0,
                    ),
     Input_file->new('confusables.txt', v15.0.0,
@@ -19799,6 +19859,17 @@ my @input_file_objects = (
                     Skip => $Unused_Skip,
                     UCD => 0,
                    ),
+    Input_file->new('Unikemet.txt', v16.0.0,
+                    Pre_Handler => \&setup_Unikemet,
+                    Each_Line_Handler => \&filter_Unikemet_line,
+                    UCD => 0,
+                   ),
+    Input_file->new('DoNotEmit.txt', v16.0.0,
+                    # Advice about characters that are unwise to create; not
+                    # any properties, though we could create some.
+                    Skip => $Unused_Skip,
+                    UCD => 0,
+                   ),
 );
 
 # End of all the preliminaries.
diff --git a/lib/unicore/uni_keywords.pl b/lib/unicore/uni_keywords.pl
index fe9034ecda6c..749a15729956 100644
--- a/lib/unicore/uni_keywords.pl
+++ b/lib/unicore/uni_keywords.pl
@@ -1331,7 +1331,7 @@
 # 3f4f32ed2a577344a508114527e721d7a8b633d32f38945d47fe0c743650c585 lib/unicore/extracted/DLineBreak.txt
 # 710abf2d581ac9c57f244c0834f9d9969d9781e0396adccd330eaae658ac7d6b lib/unicore/extracted/DNumType.txt
 # 6bd30f385f3baf3ab5d5308c111a81de87bea5f494ba0ba69e8ab45263b8c34d lib/unicore/extracted/DNumValues.txt
-# 8968a5ee00063fa31ff15474b95ccb6b9c228e3ebad6c20bc77f4225187e2023 lib/unicore/mktables
+# 4b2ad6e7689bea5acec1b52fa813a60fdac125a5cc6901cc02be3093b1697894 lib/unicore/mktables
 # 55d90fdc3f902e5c0b16b3378f9eaa36e970a1c09723c33de7d47d0370044012 lib/unicore/version
 # 0a6b5ab33bb1026531f816efe81aea1a8ffcd34a27cbea37dd6a70a63d73c844 regen/charset_translations.pl
 # c7ff8e0d207d3538c7feb4a1a152b159e5e902d20293b303569ea8323e84633e regen/mk_PL_charclass.pl
diff --git a/regcharclass.h b/regcharclass.h
index 0b7b686598ea..d43c6d2b27dd 100644
--- a/regcharclass.h
+++ b/regcharclass.h
@@ -3850,7 +3850,7 @@
  * 3f4f32ed2a577344a508114527e721d7a8b633d32f38945d47fe0c743650c585 lib/unicore/extracted/DLineBreak.txt
  * 710abf2d581ac9c57f244c0834f9d9969d9781e0396adccd330eaae658ac7d6b lib/unicore/extracted/DNumType.txt
  * 6bd30f385f3baf3ab5d5308c111a81de87bea5f494ba0ba69e8ab45263b8c34d lib/unicore/extracted/DNumValues.txt
- * 8968a5ee00063fa31ff15474b95ccb6b9c228e3ebad6c20bc77f4225187e2023 lib/unicore/mktables
+ * 4b2ad6e7689bea5acec1b52fa813a60fdac125a5cc6901cc02be3093b1697894 lib/unicore/mktables
  * 55d90fdc3f902e5c0b16b3378f9eaa36e970a1c09723c33de7d47d0370044012 lib/unicore/version
  * 0a6b5ab33bb1026531f816efe81aea1a8ffcd34a27cbea37dd6a70a63d73c844 regen/charset_translations.pl
  * 2a984ef37eb37e718ed25d472988745196816f9147d6ee6822a8efeafda340e5 regen/regcharclass.pl
diff --git a/regexp_constants.h b/regexp_constants.h
index 38e727c60c90..5875a9f3d091 100644
--- a/regexp_constants.h
+++ b/regexp_constants.h
@@ -78,7 +78,7 @@
  * 3f4f32ed2a577344a508114527e721d7a8b633d32f38945d47fe0c743650c585 lib/unicore/extracted/DLineBreak.txt
  * 710abf2d581ac9c57f244c0834f9d9969d9781e0396adccd330eaae658ac7d6b lib/unicore/extracted/DNumType.txt
  * 6bd30f385f3baf3ab5d5308c111a81de87bea5f494ba0ba69e8ab45263b8c34d lib/unicore/extracted/DNumValues.txt
- * 8968a5ee00063fa31ff15474b95ccb6b9c228e3ebad6c20bc77f4225187e2023 lib/unicore/mktables
+ * 4b2ad6e7689bea5acec1b52fa813a60fdac125a5cc6901cc02be3093b1697894 lib/unicore/mktables
  * 55d90fdc3f902e5c0b16b3378f9eaa36e970a1c09723c33de7d47d0370044012 lib/unicore/version
  * 0a6b5ab33bb1026531f816efe81aea1a8ffcd34a27cbea37dd6a70a63d73c844 regen/charset_translations.pl
  * c7ff8e0d207d3538c7feb4a1a152b159e5e902d20293b303569ea8323e84633e regen/mk_PL_charclass.pl
diff --git a/uni_keywords.h b/uni_keywords.h
index e013651e107a..07fcd5d09023 100644
--- a/uni_keywords.h
+++ b/uni_keywords.h
@@ -7756,7 +7756,7 @@ match_uniprop( const unsigned char * const key, const U16 key_len ) {
  * 3f4f32ed2a577344a508114527e721d7a8b633d32f38945d47fe0c743650c585 lib/unicore/extracted/DLineBreak.txt
  * 710abf2d581ac9c57f244c0834f9d9969d9781e0396adccd330eaae658ac7d6b lib/unicore/extracted/DNumType.txt
  * 6bd30f385f3baf3ab5d5308c111a81de87bea5f494ba0ba69e8ab45263b8c34d lib/unicore/extracted/DNumValues.txt
- * 8968a5ee00063fa31ff15474b95ccb6b9c228e3ebad6c20bc77f4225187e2023 lib/unicore/mktables
+ * 4b2ad6e7689bea5acec1b52fa813a60fdac125a5cc6901cc02be3093b1697894 lib/unicore/mktables
  * 55d90fdc3f902e5c0b16b3378f9eaa36e970a1c09723c33de7d47d0370044012 lib/unicore/version
  * 0a6b5ab33bb1026531f816efe81aea1a8ffcd34a27cbea37dd6a70a63d73c844 regen/charset_translations.pl
  * c7ff8e0d207d3538c7feb4a1a152b159e5e902d20293b303569ea8323e84633e regen/mk_PL_charclass.pl