diff --git a/cpan/IO-Compress/Makefile.PL b/cpan/IO-Compress/Makefile.PL
index 8e9acfe7cf5f3..e9d20a412bdc8 100644
--- a/cpan/IO-Compress/Makefile.PL
+++ b/cpan/IO-Compress/Makefile.PL
@@ -3,8 +3,8 @@
 use strict ;
 require 5.006 ;
 
-$::VERSION = '2.106' ;
-$::DEP_VERSION = '2.103';
+$::VERSION = '2.201' ;
+$::DEP_VERSION = '2.201';
 
 use lib '.';
 use private::MakeUtil;
@@ -29,6 +29,7 @@ WriteMakefile(
 		                    'Compress::Raw::Zlib'  => $::DEP_VERSION,
 		                    'Scalar::Util'  => 0,
                             'Encode'        => 0,
+                            'Time::Local'   => 0,
 		                    $] >= 5.005 && $] < 5.006
                                 ? ('File::BSDGlob' => 0)
                                 : () }
diff --git a/cpan/IO-Compress/bin/streamzip b/cpan/IO-Compress/bin/streamzip
index d0f92fb620e73..199599ee38eab 100644
--- a/cpan/IO-Compress/bin/streamzip
+++ b/cpan/IO-Compress/bin/streamzip
@@ -12,7 +12,7 @@ use IO::Compress::Zip qw(zip
 
 use Getopt::Long;
 
-my $VERSION = '1.002';
+my $VERSION = '1.00';
 
 my $compression_method = ZIP_CM_DEFLATE;
 my $stream = 0;
@@ -51,6 +51,10 @@ if ($compression_method == ZIP_CM_DEFLATE && defined $level)
     push @extraOpts, (Level => $level)
 }
 
+# force streaming zip file when writing to stdout.
+$stream = 1
+    if $zipfile eq '-';
+
 zip '-' => $zipfile,
            Name   => $memberName,
            Zip64  => $zip64,
@@ -107,7 +111,8 @@ Usage:
   producer | streamzip [OPTIONS] | consumer
   producer | streamzip [OPTIONS] -zipfile output.zip
 
-Stream data from stdin, compress into a Zip container, and stream to stdout.
+Stream data from stdin, compress into a Zip container, and either stream to stdout, or
+write to a named file.
 
 OPTIONS
 
@@ -131,7 +136,7 @@ OPTIONS
                     zstd     Use LZMA compression [needs IO::Compress::Zstd]
   -version        Display version number [$VERSION]
 
-Copyright (c) 2019-2021 Paul Marquess. All rights reserved.
+Copyright (c) 2019-2022 Paul Marquess. All rights reserved.
 
 This program is free software; you can redistribute it and/or
 modify it under the same terms as Perl itself.
@@ -287,7 +292,7 @@ Paul Marquess F<pmqs@cpan.org>.
 
 =head1 COPYRIGHT
 
-Copyright (c) 2019-2021 Paul Marquess. All rights reserved.
+Copyright (c) 2019-2022 Paul Marquess. All rights reserved.
 
 This program is free software; you can redistribute it and/or modify it
 under the same terms as Perl itself.
diff --git a/cpan/IO-Compress/lib/Compress/Zlib.pm b/cpan/IO-Compress/lib/Compress/Zlib.pm
index 37aa051557d87..59dfbf6d1b16f 100644
--- a/cpan/IO-Compress/lib/Compress/Zlib.pm
+++ b/cpan/IO-Compress/lib/Compress/Zlib.pm
@@ -7,17 +7,17 @@ use Carp ;
 use IO::Handle ;
 use Scalar::Util qw(dualvar);
 
-use IO::Compress::Base::Common 2.106 ;
-use Compress::Raw::Zlib 2.103 ;
-use IO::Compress::Gzip 2.106 ;
-use IO::Uncompress::Gunzip 2.106 ;
+use IO::Compress::Base::Common 2.201 ;
+use Compress::Raw::Zlib 2.201 ;
+use IO::Compress::Gzip 2.201 ;
+use IO::Uncompress::Gunzip 2.201 ;
 
 use strict ;
 use warnings ;
 use bytes ;
 our ($VERSION, $XS_VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $XS_VERSION = $VERSION;
 $VERSION = eval $VERSION;
 
@@ -461,7 +461,7 @@ sub inflate
 
 package Compress::Zlib ;
 
-use IO::Compress::Gzip::Constants 2.106 ;
+use IO::Compress::Gzip::Constants 2.201 ;
 
 sub memGzip($)
 {
@@ -1494,6 +1494,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Compress/Adapter/Bzip2.pm b/cpan/IO-Compress/lib/IO/Compress/Adapter/Bzip2.pm
index cc1700aab2609..3ff2b4f57f2eb 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Adapter/Bzip2.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Adapter/Bzip2.pm
@@ -4,12 +4,12 @@ use strict;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common  2.106 qw(:Status);
+use IO::Compress::Base::Common  2.201 qw(:Status);
 
-use Compress::Raw::Bzip2  2.103 ;
+use Compress::Raw::Bzip2  2.201 ;
 
 our ($VERSION);
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 sub mkCompObject
 {
diff --git a/cpan/IO-Compress/lib/IO/Compress/Adapter/Deflate.pm b/cpan/IO-Compress/lib/IO/Compress/Adapter/Deflate.pm
index 12f97ccc52d98..08555e944139f 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Adapter/Deflate.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Adapter/Deflate.pm
@@ -4,13 +4,13 @@ use strict;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common 2.106 qw(:Status);
-use Compress::Raw::Zlib  2.103 qw( !crc32 !adler32 ) ;
+use IO::Compress::Base::Common 2.201 qw(:Status);
+use Compress::Raw::Zlib  2.201 qw( !crc32 !adler32 ) ;
 
 require Exporter;
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, @EXPORT, %DEFLATE_CONSTANTS);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 @ISA = qw(Exporter);
 @EXPORT_OK = @Compress::Raw::Zlib::DEFLATE_CONSTANTS;
 %EXPORT_TAGS = %Compress::Raw::Zlib::DEFLATE_CONSTANTS;
@@ -40,6 +40,29 @@ sub mkCompObject
                  } ;
 }
 
+sub mkCompObject1
+{
+    my $crc32    = shift ;
+    my $adler32  = shift ;
+    my $level    = shift ;
+    my $strategy = shift ;
+
+    my ($def, $status) = Compress::Raw::Zlib::Deflate->new(
+                                -AppendOutput   => 1,
+                                -CRC32          => $crc32,
+                                -ADLER32        => $adler32,
+                                -Level          => $level,
+                                -Strategy       => $strategy,
+                                -WindowBits     => MAX_WBITS);
+
+    return (undef, "Cannot create Deflate object: $status", $status)
+        if $status != Z_OK;
+
+    return bless {'Def'        => $def,
+                  'Error'      => '',
+                 } ;
+}
+
 sub compr
 {
     my $self = shift ;
diff --git a/cpan/IO-Compress/lib/IO/Compress/Adapter/Identity.pm b/cpan/IO-Compress/lib/IO/Compress/Adapter/Identity.pm
index a21962ea1aa18..99263d02a73e2 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Adapter/Identity.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Adapter/Identity.pm
@@ -4,10 +4,10 @@ use strict;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common  2.106 qw(:Status);
+use IO::Compress::Base::Common  2.201 qw(:Status);
 our ($VERSION);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 sub mkCompObject
 {
diff --git a/cpan/IO-Compress/lib/IO/Compress/Base.pm b/cpan/IO-Compress/lib/IO/Compress/Base.pm
index fdb169d7716a0..8941c271cdd46 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Base.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Base.pm
@@ -6,7 +6,7 @@ require 5.006 ;
 use strict ;
 use warnings;
 
-use IO::Compress::Base::Common 2.106 ;
+use IO::Compress::Base::Common 2.201 ;
 
 use IO::File (); ;
 use Scalar::Util ();
@@ -20,7 +20,7 @@ use Symbol();
 our (@ISA, $VERSION);
 @ISA    = qw(IO::File Exporter);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 #Can't locate object method "SWASHNEW" via package "utf8" (perhaps you forgot to load "utf8"?) at .../ext/Compress-Zlib/Gzip/blib/lib/Compress/Zlib/Common.pm line 16.
 
diff --git a/cpan/IO-Compress/lib/IO/Compress/Base/Common.pm b/cpan/IO-Compress/lib/IO/Compress/Base/Common.pm
index 39ac01685896c..7374ce4577573 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Base/Common.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Base/Common.pm
@@ -11,7 +11,7 @@ use File::GlobMapper;
 require Exporter;
 our ($VERSION, @ISA, @EXPORT, %EXPORT_TAGS, $HAS_ENCODE);
 @ISA = qw(Exporter);
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 @EXPORT = qw( isaFilehandle isaFilename isaScalar
               whatIsInput whatIsOutput
diff --git a/cpan/IO-Compress/lib/IO/Compress/Bzip2.pm b/cpan/IO-Compress/lib/IO/Compress/Bzip2.pm
index faf043b15404f..7c18059d84118 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Bzip2.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Bzip2.pm
@@ -5,16 +5,16 @@ use warnings;
 use bytes;
 require Exporter ;
 
-use IO::Compress::Base 2.106 ;
+use IO::Compress::Base 2.201 ;
 
-use IO::Compress::Base::Common  2.106 qw();
-use IO::Compress::Adapter::Bzip2 2.106 ;
+use IO::Compress::Base::Common  2.201 qw();
+use IO::Compress::Adapter::Bzip2 2.201 ;
 
 
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $Bzip2Error);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $Bzip2Error = '';
 
 @ISA    = qw(IO::Compress::Base Exporter);
@@ -51,7 +51,7 @@ sub getExtraParams
 {
     my $self = shift ;
 
-    use IO::Compress::Base::Common  2.106 qw(:Parse);
+    use IO::Compress::Base::Common  2.201 qw(:Parse);
 
     return (
             'blocksize100k' => [IO::Compress::Base::Common::Parse_unsigned,  1],
diff --git a/cpan/IO-Compress/lib/IO/Compress/Deflate.pm b/cpan/IO-Compress/lib/IO/Compress/Deflate.pm
index 0998952b4de98..4f239ed34f37f 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Deflate.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Deflate.pm
@@ -8,16 +8,16 @@ use bytes;
 
 require Exporter ;
 
-use IO::Compress::RawDeflate 2.106 ();
-use IO::Compress::Adapter::Deflate 2.106 ;
+use IO::Compress::RawDeflate 2.201 ();
+use IO::Compress::Adapter::Deflate 2.201 ;
 
-use IO::Compress::Zlib::Constants 2.106 ;
-use IO::Compress::Base::Common  2.106 qw();
+use IO::Compress::Zlib::Constants 2.201 ;
+use IO::Compress::Base::Common  2.201 qw();
 
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, %DEFLATE_CONSTANTS, $DeflateError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $DeflateError = '';
 
 @ISA    = qw(IO::Compress::RawDeflate Exporter);
@@ -42,92 +42,35 @@ sub deflate
     return $obj->_def(@_);
 }
 
-
-sub bitmask($$$$)
-{
-    my $into  = shift ;
-    my $value  = shift ;
-    my $offset = shift ;
-    my $mask   = shift ;
-
-    return $into | (($value & $mask) << $offset ) ;
-}
-
-sub mkDeflateHdr($$$;$)
-{
-    my $method = shift ;
-    my $cinfo  = shift;
-    my $level  = shift;
-    my $fdict_adler = shift  ;
-
-    my $cmf = 0;
-    my $flg = 0;
-    my $fdict = 0;
-    $fdict = 1 if defined $fdict_adler;
-
-    $cmf = bitmask($cmf, $method, ZLIB_CMF_CM_OFFSET,    ZLIB_CMF_CM_BITS);
-    $cmf = bitmask($cmf, $cinfo,  ZLIB_CMF_CINFO_OFFSET, ZLIB_CMF_CINFO_BITS);
-
-    $flg = bitmask($flg, $fdict,  ZLIB_FLG_FDICT_OFFSET, ZLIB_FLG_FDICT_BITS);
-    $flg = bitmask($flg, $level,  ZLIB_FLG_LEVEL_OFFSET, ZLIB_FLG_LEVEL_BITS);
-
-    my $fcheck = 31 - ($cmf * 256 + $flg) % 31 ;
-    $flg = bitmask($flg, $fcheck, ZLIB_FLG_FCHECK_OFFSET, ZLIB_FLG_FCHECK_BITS);
-
-    my $hdr =  pack("CC", $cmf, $flg) ;
-    $hdr .= pack("N", $fdict_adler) if $fdict ;
-
-    return $hdr;
-}
-
-sub mkHeader
+sub mkComp
 {
     my $self = shift ;
-    my $param = shift ;
+    my $got = shift ;
 
-    my $level = $param->getValue('level');
-    my $strategy = $param->getValue('strategy');
+    my ($obj, $errstr, $errno) = IO::Compress::Adapter::Deflate::mkCompObject1(
+                                                 $got->getValue('crc32'),
+                                                 $got->getValue('adler32'),
+                                                 $got->getValue('level'),
+                                                 $got->getValue('strategy')
+                                                 );
 
-    my $lflag ;
-    $level = 6
-        if $level == Z_DEFAULT_COMPRESSION ;
+   return $self->saveErrorString(undef, $errstr, $errno)
+       if ! defined $obj;
 
-    if (ZLIB_VERNUM >= 0x1210)
-    {
-        if ($strategy >= Z_HUFFMAN_ONLY || $level < 2)
-         {  $lflag = ZLIB_FLG_LEVEL_FASTEST }
-        elsif ($level < 6)
-         {  $lflag = ZLIB_FLG_LEVEL_FAST }
-        elsif ($level == 6)
-         {  $lflag = ZLIB_FLG_LEVEL_DEFAULT }
-        else
-         {  $lflag = ZLIB_FLG_LEVEL_SLOWEST }
-    }
-    else
-    {
-        $lflag = ($level - 1) >> 1 ;
-        $lflag = 3 if $lflag > 3 ;
-    }
-
-     #my $wbits = (MAX_WBITS - 8) << 4 ;
-    my $wbits = 7;
-    mkDeflateHdr(ZLIB_CMF_CM_DEFLATED, $wbits, $lflag);
+   return $obj;
 }
 
-sub ckParams
+
+sub mkHeader
 {
     my $self = shift ;
-    my $got = shift;
-
-    $got->setValue('adler32' => 1);
-    return 1 ;
+    return '';
 }
 
-
 sub mkTrailer
 {
     my $self = shift ;
-    return pack("N", *$self->{Compress}->adler32()) ;
+    return '';
 }
 
 sub mkFinalTrailer
@@ -135,12 +78,6 @@ sub mkFinalTrailer
     return '';
 }
 
-#sub newHeader
-#{
-#    my $self = shift ;
-#    return *$self->{Header};
-#}
-
 sub getExtraParams
 {
     my $self = shift ;
@@ -940,6 +877,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Compress/Gzip.pm b/cpan/IO-Compress/lib/IO/Compress/Gzip.pm
index 0471e33ea7a54..e81106692e0df 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Gzip.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Gzip.pm
@@ -8,12 +8,12 @@ use bytes;
 
 require Exporter ;
 
-use IO::Compress::RawDeflate 2.106 () ;
-use IO::Compress::Adapter::Deflate 2.106 ;
+use IO::Compress::RawDeflate 2.201 () ;
+use IO::Compress::Adapter::Deflate 2.201 ;
 
-use IO::Compress::Base::Common  2.106 qw(:Status );
-use IO::Compress::Gzip::Constants 2.106 ;
-use IO::Compress::Zlib::Extra 2.106 ;
+use IO::Compress::Base::Common  2.201 qw(:Status );
+use IO::Compress::Gzip::Constants 2.201 ;
+use IO::Compress::Zlib::Extra 2.201 ;
 
 BEGIN
 {
@@ -25,7 +25,7 @@ BEGIN
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, %DEFLATE_CONSTANTS, $GzipError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $GzipError = '' ;
 
 @ISA    = qw(IO::Compress::RawDeflate Exporter);
@@ -1252,6 +1252,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Compress/Gzip/Constants.pm b/cpan/IO-Compress/lib/IO/Compress/Gzip/Constants.pm
index 8e32e17d590a5..c9c6866e730ab 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Gzip/Constants.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Gzip/Constants.pm
@@ -9,7 +9,7 @@ require Exporter;
 our ($VERSION, @ISA, @EXPORT, %GZIP_OS_Names);
 our ($GZIP_FNAME_INVALID_CHAR_RE, $GZIP_FCOMMENT_INVALID_CHAR_RE);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 @ISA = qw(Exporter);
 
diff --git a/cpan/IO-Compress/lib/IO/Compress/RawDeflate.pm b/cpan/IO-Compress/lib/IO/Compress/RawDeflate.pm
index de0f332ecb838..ee9079989acab 100644
--- a/cpan/IO-Compress/lib/IO/Compress/RawDeflate.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/RawDeflate.pm
@@ -6,16 +6,16 @@ use strict ;
 use warnings;
 use bytes;
 
-use IO::Compress::Base 2.106 ;
-use IO::Compress::Base::Common  2.106 qw(:Status :Parse);
-use IO::Compress::Adapter::Deflate 2.106 ;
-use Compress::Raw::Zlib  2.103 qw(Z_DEFLATED Z_DEFAULT_COMPRESSION Z_DEFAULT_STRATEGY);
+use IO::Compress::Base 2.201 ;
+use IO::Compress::Base::Common  2.201 qw(:Status :Parse);
+use IO::Compress::Adapter::Deflate 2.201 ;
+use Compress::Raw::Zlib  2.201 qw(Z_DEFLATED Z_DEFAULT_COMPRESSION Z_DEFAULT_STRATEGY);
 
 require Exporter ;
 
 our ($VERSION, @ISA, @EXPORT_OK, %DEFLATE_CONSTANTS, %EXPORT_TAGS, $RawDeflateError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $RawDeflateError = '';
 
 @ISA = qw(IO::Compress::Base Exporter);
@@ -995,6 +995,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Compress/Zip.pm b/cpan/IO-Compress/lib/IO/Compress/Zip.pm
index ecba767727bc2..0f33e7b82a3db 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Zip.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Zip.pm
@@ -4,41 +4,41 @@ use strict ;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common  2.106 qw(:Status );
-use IO::Compress::RawDeflate 2.106 ();
-use IO::Compress::Adapter::Deflate 2.106 ;
-use IO::Compress::Adapter::Identity 2.106 ;
-use IO::Compress::Zlib::Extra 2.106 ;
-use IO::Compress::Zip::Constants 2.106 ;
+use IO::Compress::Base::Common  2.201 qw(:Status );
+use IO::Compress::RawDeflate 2.201 ();
+use IO::Compress::Adapter::Deflate 2.201 ;
+use IO::Compress::Adapter::Identity 2.201 ;
+use IO::Compress::Zlib::Extra 2.201 ;
+use IO::Compress::Zip::Constants 2.201 ;
 
 use File::Spec();
 use Config;
 
-use Compress::Raw::Zlib  2.103 ();
+use Compress::Raw::Zlib  2.201 ();
 
 BEGIN
 {
     eval { require IO::Compress::Adapter::Bzip2 ;
-           IO::Compress::Adapter::Bzip2->import( 2.103 );
+           IO::Compress::Adapter::Bzip2->import( 2.201 );
            require IO::Compress::Bzip2 ;
-           IO::Compress::Bzip2->import( 2.103 );
+           IO::Compress::Bzip2->import( 2.201 );
          } ;
 
     eval { require IO::Compress::Adapter::Lzma ;
-           IO::Compress::Adapter::Lzma->import( 2.103 );
+           IO::Compress::Adapter::Lzma->import( 2.201 );
            require IO::Compress::Lzma ;
-           IO::Compress::Lzma->import( 2.103 );
+           IO::Compress::Lzma->import( 2.201 );
          } ;
 
     eval { require IO::Compress::Adapter::Xz ;
-           IO::Compress::Adapter::Xz->import( 2.103 );
+           IO::Compress::Adapter::Xz->import( 2.201 );
            require IO::Compress::Xz ;
-           IO::Compress::Xz->import( 2.103 );
+           IO::Compress::Xz->import( 2.201 );
          } ;
     eval { require IO::Compress::Adapter::Zstd ;
-           IO::Compress::Adapter::Zstd->import( 2.103 );
+           IO::Compress::Adapter::Zstd->import( 2.201 );
            require IO::Compress::Zstd ;
-           IO::Compress::Zstd->import( 2.103 );
+           IO::Compress::Zstd->import( 2.201 );
          } ;
 }
 
@@ -47,7 +47,7 @@ require Exporter ;
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, %DEFLATE_CONSTANTS, $ZipError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $ZipError = '';
 
 @ISA = qw(IO::Compress::RawDeflate Exporter);
@@ -85,20 +85,24 @@ sub isMethodAvailable
         if $method == ZIP_CM_STORE || $method == ZIP_CM_DEFLATE ;
 
     return 1
-        if $method == ZIP_CM_BZIP2 and
-           defined $IO::Compress::Adapter::Bzip2::VERSION;
+        if $method == ZIP_CM_BZIP2 &&
+           defined $IO::Compress::Adapter::Bzip2::VERSION &&
+           defined &{ "IO::Compress::Adapter::Bzip2::mkRawZipCompObject" };
 
     return 1
-        if $method == ZIP_CM_LZMA and
-           defined $IO::Compress::Adapter::Lzma::VERSION;
+        if $method == ZIP_CM_LZMA &&
+           defined $IO::Compress::Adapter::Lzma::VERSION &&
+           defined &{ "IO::Compress::Adapter::Lzma::mkRawZipCompObject" };
 
     return 1
-        if $method == ZIP_CM_XZ and
-           defined $IO::Compress::Adapter::Xz::VERSION;
+        if $method == ZIP_CM_XZ &&
+           defined $IO::Compress::Adapter::Xz::VERSION &&
+           defined &{ "IO::Compress::Adapter::Xz::mkRawZipCompObject" };
 
     return 1
-        if $method == ZIP_CM_ZSTD and
-           defined $IO::Compress::Adapter::ZSTD::VERSION;
+        if $method == ZIP_CM_ZSTD &&
+           defined $IO::Compress::Adapter::ZSTD::VERSION &&
+           defined &{ "IO::Compress::Adapter::ZSTD::mkRawZipCompObject" };
 
     return 0;
 }
@@ -1053,12 +1057,24 @@ See L<File::GlobMapper|File::GlobMapper> for more details.
 If the C<$input_filename_or_reference> parameter is any other type,
 C<undef> will be returned.
 
-In addition, if C<$input_filename_or_reference> is a simple filename,
-the default values for
-the C<Name>, C<Time>, C<TextFlag>, C<ExtAttr>, C<exUnixN> and C<exTime> options will be sourced from that file.
+In addition, if C<$input_filename_or_reference> corresponds to a filename
+from the filesystem, a number of zip file header fields will be populated by default
+using the following attributes from the input file
+
+=over 5
+
+=item * the full filename contained in C<$input_filename_or_reference>
+
+=item * the file protection attributes
+
+=item * the UID/GID for the file
+
+=item * the file timestamps
+
+=back
 
 If you do not want to use these defaults they can be overridden by
-explicitly setting the C<Name>, C<Time>, C<TextFlag>, C<ExtAttr>, C<exUnixN> and C<exTime> options or by setting the
+explicitly setting one, or more, of the C<Name>, C<Time>, C<TextFlag>, C<ExtAttr>, C<exUnixN> and C<exTime> options or by setting the
 C<Minimal> parameter.
 
 =head3 The C<$output_filename_or_reference> parameter
@@ -2131,6 +2147,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Compress/Zip/Constants.pm b/cpan/IO-Compress/lib/IO/Compress/Zip/Constants.pm
index 7cfe431932a91..dfb3611b54133 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Zip/Constants.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Zip/Constants.pm
@@ -7,7 +7,7 @@ require Exporter;
 
 our ($VERSION, @ISA, @EXPORT, %ZIP_CM_MIN_VERSIONS);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 @ISA = qw(Exporter);
 
diff --git a/cpan/IO-Compress/lib/IO/Compress/Zlib/Constants.pm b/cpan/IO-Compress/lib/IO/Compress/Zlib/Constants.pm
index 1d1dab5018c60..11181181bf079 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Zlib/Constants.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Zlib/Constants.pm
@@ -9,7 +9,7 @@ require Exporter;
 
 our ($VERSION, @ISA, @EXPORT);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 @ISA = qw(Exporter);
 
diff --git a/cpan/IO-Compress/lib/IO/Compress/Zlib/Extra.pm b/cpan/IO-Compress/lib/IO/Compress/Zlib/Extra.pm
index 24204fafa3b4a..c034ed554e3f8 100644
--- a/cpan/IO-Compress/lib/IO/Compress/Zlib/Extra.pm
+++ b/cpan/IO-Compress/lib/IO/Compress/Zlib/Extra.pm
@@ -8,9 +8,9 @@ use bytes;
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
-use IO::Compress::Gzip::Constants 2.106 ;
+use IO::Compress::Gzip::Constants 2.201 ;
 
 sub ExtraFieldError
 {
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Bunzip2.pm b/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Bunzip2.pm
index 0d0707b34a36d..f020a32450a6f 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Bunzip2.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Bunzip2.pm
@@ -4,12 +4,12 @@ use strict;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common 2.106 qw(:Status);
+use IO::Compress::Base::Common 2.201 qw(:Status);
 
-use Compress::Raw::Bzip2 2.103 ;
+use Compress::Raw::Bzip2 2.201 ;
 
 our ($VERSION, @ISA);
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 sub mkUncompObject
 {
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Identity.pm b/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Identity.pm
index dd12483615942..0ec0ecc53a0c8 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Identity.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Identity.pm
@@ -4,14 +4,14 @@ use warnings;
 use strict;
 use bytes;
 
-use IO::Compress::Base::Common  2.106 qw(:Status);
+use IO::Compress::Base::Common  2.201 qw(:Status);
 use IO::Compress::Zip::Constants ;
 
 our ($VERSION);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
-use Compress::Raw::Zlib  2.103 ();
+use Compress::Raw::Zlib  2.201 ();
 
 sub mkUncompObject
 {
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Inflate.pm b/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Inflate.pm
index 05f6de2ea06fb..d23e06d24d364 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Inflate.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Adapter/Inflate.pm
@@ -4,11 +4,11 @@ use strict;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common  2.106 qw(:Status);
-use Compress::Raw::Zlib  2.103 qw(Z_OK Z_BUF_ERROR Z_STREAM_END Z_FINISH MAX_WBITS);
+use IO::Compress::Base::Common  2.201 qw(:Status);
+use Compress::Raw::Zlib  2.201 qw(Z_OK Z_BUF_ERROR Z_STREAM_END Z_FINISH MAX_WBITS);
 
 our ($VERSION);
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 
 
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/AnyInflate.pm b/cpan/IO-Compress/lib/IO/Uncompress/AnyInflate.pm
index 4d99439a57dd2..fb96d8936c327 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/AnyInflate.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/AnyInflate.pm
@@ -6,22 +6,22 @@ use strict;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common  2.106 qw(:Parse);
+use IO::Compress::Base::Common  2.201 qw(:Parse);
 
-use IO::Uncompress::Adapter::Inflate  2.106 ();
+use IO::Uncompress::Adapter::Inflate  2.201 ();
 
 
-use IO::Uncompress::Base  2.106 ;
-use IO::Uncompress::Gunzip  2.106 ;
-use IO::Uncompress::Inflate  2.106 ;
-use IO::Uncompress::RawInflate  2.106 ;
-use IO::Uncompress::Unzip  2.106 ;
+use IO::Uncompress::Base  2.201 ;
+use IO::Uncompress::Gunzip  2.201 ;
+use IO::Uncompress::Inflate  2.201 ;
+use IO::Uncompress::RawInflate  2.201 ;
+use IO::Uncompress::Unzip  2.201 ;
 
 require Exporter ;
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $AnyInflateError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $AnyInflateError = '';
 
 @ISA = qw(IO::Uncompress::Base Exporter);
@@ -986,6 +986,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/AnyUncompress.pm b/cpan/IO-Compress/lib/IO/Uncompress/AnyUncompress.pm
index ed192ca38ed3b..8f0edd48c24fd 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/AnyUncompress.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/AnyUncompress.pm
@@ -4,16 +4,16 @@ use strict;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common 2.106 ();
+use IO::Compress::Base::Common 2.201 ();
 
-use IO::Uncompress::Base 2.106 ;
+use IO::Uncompress::Base 2.201 ;
 
 
 require Exporter ;
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $AnyUncompressError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $AnyUncompressError = '';
 
 @ISA = qw(IO::Uncompress::Base Exporter);
@@ -33,26 +33,26 @@ BEGIN
    # Don't trigger any __DIE__ Hooks.
    local $SIG{__DIE__};
 
-   eval ' use IO::Uncompress::Adapter::Inflate 2.103 ;';
-   eval ' use IO::Uncompress::Adapter::Bunzip2 2.103 ;';
-   eval ' use IO::Uncompress::Adapter::LZO 2.103 ;';
-   eval ' use IO::Uncompress::Adapter::Lzf 2.103 ;';
-   eval ' use IO::Uncompress::Adapter::UnLzma 2.103 ;';
-   eval ' use IO::Uncompress::Adapter::UnXz 2.103 ;';
-   eval ' use IO::Uncompress::Adapter::UnZstd 2.103 ;';
-   eval ' use IO::Uncompress::Adapter::UnLzip 2.103 ;';
-
-   eval ' use IO::Uncompress::Bunzip2 2.103 ;';
-   eval ' use IO::Uncompress::UnLzop 2.103 ;';
-   eval ' use IO::Uncompress::Gunzip 2.103 ;';
-   eval ' use IO::Uncompress::Inflate 2.103 ;';
-   eval ' use IO::Uncompress::RawInflate 2.103 ;';
-   eval ' use IO::Uncompress::Unzip 2.103 ;';
-   eval ' use IO::Uncompress::UnLzf 2.103 ;';
-   eval ' use IO::Uncompress::UnLzma 2.103 ;';
-   eval ' use IO::Uncompress::UnXz 2.103 ;';
-   eval ' use IO::Uncompress::UnZstd 2.103 ;';
-   eval ' use IO::Uncompress::UnLzip 2.103 ;';
+   eval ' use IO::Uncompress::Adapter::Inflate 2.201 ;';
+   eval ' use IO::Uncompress::Adapter::Bunzip2 2.201 ;';
+   eval ' use IO::Uncompress::Adapter::LZO 2.201 ;';
+   eval ' use IO::Uncompress::Adapter::Lzf 2.201 ;';
+   eval ' use IO::Uncompress::Adapter::UnLzma 2.201 ;';
+   eval ' use IO::Uncompress::Adapter::UnXz 2.201 ;';
+   eval ' use IO::Uncompress::Adapter::UnZstd 2.201 ;';
+   eval ' use IO::Uncompress::Adapter::UnLzip 2.201 ;';
+
+   eval ' use IO::Uncompress::Bunzip2 2.201 ;';
+   eval ' use IO::Uncompress::UnLzop 2.201 ;';
+   eval ' use IO::Uncompress::Gunzip 2.201 ;';
+   eval ' use IO::Uncompress::Inflate 2.201 ;';
+   eval ' use IO::Uncompress::RawInflate 2.201 ;';
+   eval ' use IO::Uncompress::Unzip 2.201 ;';
+   eval ' use IO::Uncompress::UnLzf 2.201 ;';
+   eval ' use IO::Uncompress::UnLzma 2.201 ;';
+   eval ' use IO::Uncompress::UnXz 2.201 ;';
+   eval ' use IO::Uncompress::UnZstd 2.201 ;';
+   eval ' use IO::Uncompress::UnLzip 2.201 ;';
 
 }
 
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Base.pm b/cpan/IO-Compress/lib/IO/Uncompress/Base.pm
index a922a5be8acde..eeca15f9b5798 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Base.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Base.pm
@@ -9,12 +9,12 @@ our (@ISA, $VERSION, @EXPORT_OK, %EXPORT_TAGS);
 @ISA    = qw(IO::File Exporter);
 
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 use constant G_EOF => 0 ;
 use constant G_ERR => -1 ;
 
-use IO::Compress::Base::Common 2.106 ;
+use IO::Compress::Base::Common 2.201 ;
 
 use IO::File ;
 use Symbol;
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Bunzip2.pm b/cpan/IO-Compress/lib/IO/Uncompress/Bunzip2.pm
index e72b36fbbcf46..5230cf75ded13 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Bunzip2.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Bunzip2.pm
@@ -4,15 +4,15 @@ use strict ;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common 2.106 qw(:Status );
+use IO::Compress::Base::Common 2.201 qw(:Status );
 
-use IO::Uncompress::Base 2.106 ;
-use IO::Uncompress::Adapter::Bunzip2 2.106 ;
+use IO::Uncompress::Base 2.201 ;
+use IO::Uncompress::Adapter::Bunzip2 2.201 ;
 
 require Exporter ;
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $Bunzip2Error);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $Bunzip2Error = '';
 
 @ISA    = qw(IO::Uncompress::Base Exporter);
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Gunzip.pm b/cpan/IO-Compress/lib/IO/Uncompress/Gunzip.pm
index b7d4ae54d3701..6500fc358d30f 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Gunzip.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Gunzip.pm
@@ -9,12 +9,12 @@ use strict ;
 use warnings;
 use bytes;
 
-use IO::Uncompress::RawInflate 2.106 ;
+use IO::Uncompress::RawInflate 2.201 ;
 
-use Compress::Raw::Zlib 2.103 () ;
-use IO::Compress::Base::Common 2.106 qw(:Status );
-use IO::Compress::Gzip::Constants 2.106 ;
-use IO::Compress::Zlib::Extra 2.106 ;
+use Compress::Raw::Zlib 2.201 () ;
+use IO::Compress::Base::Common 2.201 qw(:Status );
+use IO::Compress::Gzip::Constants 2.201 ;
+use IO::Compress::Zlib::Extra 2.201 ;
 
 require Exporter ;
 
@@ -28,7 +28,7 @@ Exporter::export_ok_tags('all');
 
 $GunzipError = '';
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 
 sub new
 {
@@ -1110,6 +1110,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Inflate.pm b/cpan/IO-Compress/lib/IO/Uncompress/Inflate.pm
index d7623646839e1..d7d848a6f8066 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Inflate.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Inflate.pm
@@ -5,15 +5,15 @@ use strict ;
 use warnings;
 use bytes;
 
-use IO::Compress::Base::Common  2.106 qw(:Status );
-use IO::Compress::Zlib::Constants 2.106 ;
+use IO::Compress::Base::Common  2.201 qw(:Status );
+use IO::Compress::Zlib::Constants 2.201 ;
 
-use IO::Uncompress::RawInflate  2.106 ;
+use IO::Uncompress::RawInflate  2.201 ;
 
 require Exporter ;
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $InflateError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $InflateError = '';
 
 @ISA    = qw(IO::Uncompress::RawInflate Exporter);
@@ -982,6 +982,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/RawInflate.pm b/cpan/IO-Compress/lib/IO/Uncompress/RawInflate.pm
index 6e957f3329d21..80abfeac63f9c 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/RawInflate.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/RawInflate.pm
@@ -5,16 +5,16 @@ use strict ;
 use warnings;
 use bytes;
 
-use Compress::Raw::Zlib  2.103 ;
-use IO::Compress::Base::Common  2.106 qw(:Status );
+use Compress::Raw::Zlib  2.201 ;
+use IO::Compress::Base::Common  2.201 qw(:Status );
 
-use IO::Uncompress::Base  2.106 ;
-use IO::Uncompress::Adapter::Inflate  2.106 ;
+use IO::Uncompress::Base  2.201 ;
+use IO::Uncompress::Adapter::Inflate  2.201 ;
 
 require Exporter ;
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, %DEFLATE_CONSTANTS, $RawInflateError);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $RawInflateError = '';
 
 @ISA    = qw(IO::Uncompress::Base Exporter);
@@ -1110,6 +1110,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/lib/IO/Uncompress/Unzip.pm b/cpan/IO-Compress/lib/IO/Uncompress/Unzip.pm
index cfe56d3cd5822..e689c3214dedd 100644
--- a/cpan/IO-Compress/lib/IO/Uncompress/Unzip.pm
+++ b/cpan/IO-Compress/lib/IO/Uncompress/Unzip.pm
@@ -9,14 +9,14 @@ use warnings;
 use bytes;
 
 use IO::File;
-use IO::Uncompress::RawInflate  2.106 ;
-use IO::Compress::Base::Common  2.106 qw(:Status );
-use IO::Uncompress::Adapter::Inflate  2.106 ;
-use IO::Uncompress::Adapter::Identity 2.106 ;
-use IO::Compress::Zlib::Extra 2.106 ;
-use IO::Compress::Zip::Constants 2.106 ;
+use IO::Uncompress::RawInflate  2.201 ;
+use IO::Compress::Base::Common  2.201 qw(:Status );
+use IO::Uncompress::Adapter::Inflate  2.201 ;
+use IO::Uncompress::Adapter::Identity 2.201 ;
+use IO::Compress::Zlib::Extra 2.201 ;
+use IO::Compress::Zip::Constants 2.201 ;
 
-use Compress::Raw::Zlib  2.103 () ;
+use Compress::Raw::Zlib  2.201 () ;
 
 BEGIN
 {
@@ -38,7 +38,7 @@ require Exporter ;
 
 our ($VERSION, @ISA, @EXPORT_OK, %EXPORT_TAGS, $UnzipError, %headerLookup);
 
-$VERSION = '2.106';
+$VERSION = '2.201';
 $UnzipError = '';
 
 @ISA    = qw(IO::Uncompress::RawInflate Exporter);
@@ -812,12 +812,11 @@ sub _dosToUnixTime
 	my $min  = ( ( $dt >> 5 ) & 0x3f );
 	my $sec  = ( ( $dt << 1 ) & 0x3e );
 
-
-    use POSIX 'mktime';
-
-    my $time_t = mktime( $sec, $min, $hour, $mday, $mon, $year, 0, 0, -1 );
+    use Time::Local ;
+    my $time_t = Time::Local::timelocal( $sec, $min, $hour, $mday, $mon, $year);
     return 0 if ! defined $time_t;
-	return $time_t;
+    return $time_t;
+
 }
 
 #sub scanCentralDirectory
@@ -1953,6 +1952,9 @@ C<gzip@prep.ai.mit.edu> and Mark Adler C<madler@alumni.caltech.edu>.
 The primary site for the I<zlib> compression library is
 L<http://www.zlib.org>.
 
+The primary site for the I<zlib-ng> compression library is
+L<https://github.com/zlib-ng/zlib-ng>.
+
 The primary site for gzip is L<http://www.gzip.org>.
 
 =head1 AUTHOR
diff --git a/cpan/IO-Compress/t/000prereq.t b/cpan/IO-Compress/t/000prereq.t
index a7fe036f595b7..79a773f0ccd08 100644
--- a/cpan/IO-Compress/t/000prereq.t
+++ b/cpan/IO-Compress/t/000prereq.t
@@ -25,7 +25,7 @@ BEGIN
         if eval { require Test::NoWarnings ;  import Test::NoWarnings; 1 };
 
 
-    my $VERSION = '2.103';
+    my $VERSION = '2.201';
     my @NAMES = qw(
 			Compress::Raw::Bzip2
 			Compress::Raw::Zlib
@@ -86,9 +86,9 @@ BEGIN
         }
     }
 
-    # need zlib 1.2.0 or better
+    # need zlib 1.2.0 or better or zlib-ng
 
-    cmp_ok Compress::Raw::Zlib::ZLIB_VERNUM(), ">=", 0x1200
+    ok Compress::Raw::Zlib::is_zlibng() || Compress::Raw::Zlib::ZLIB_VERNUM() >= 0x1200
         or diag "IO::Compress needs zlib 1.2.0 or better, you have " . Compress::Raw::Zlib::zlib_version();
 
     use_ok('Scalar::Util') ;
diff --git a/cpan/IO-Compress/t/005defhdr.t b/cpan/IO-Compress/t/005defhdr.t
index 8d4d16310fcb6..91a4a9dabe5b9 100644
--- a/cpan/IO-Compress/t/005defhdr.t
+++ b/cpan/IO-Compress/t/005defhdr.t
@@ -19,7 +19,7 @@ BEGIN {
     $extra = 1
         if eval { require Test::NoWarnings ;  import Test::NoWarnings; 1 };
 
-    plan tests => 595 + $extra ;
+    plan tests => 114 + $extra ;
 
     use_ok('Compress::Raw::Zlib') ;
 
@@ -123,6 +123,7 @@ EOM
 
 }
 
+if (0) # disable these tests: IO::Compress::Deflate doesn't create the zlib header itself so no need to test
 {
     title "Check user-defined header settings match zlib" ;
 
@@ -168,13 +169,16 @@ EOM
 
         my $hdr1 = ReadHeaderInfoZlib($string, %$opts);
 
+        # zlib-ng <= 2.0.6 with Level 1 sets the CINFO value to 5 . All other zlib & zlib-ng use expected value of 7
+        # Note that zlib-ng 2.0.x uses a 16-bit encoding for ZLIBNG_VERNUM
+        my $cinfoValue =  Compress::Raw::Zlib::is_zlibng() && Compress::Raw::Zlib::ZLIBNG_VERNUM() <= 0x2060 && defined $opts->{'-Level'} && $opts->{'-Level'} == 1 ? 5 : 7;
         is $hdr->{CM},     8, "  CM is 8";
-        is $hdr->{CINFO},  7, "  CINFO is 7";
+        is $hdr->{CINFO},  $cinfoValue, "  CINFO is $cinfoValue";
         is $hdr->{FDICT},  0, "  FDICT is 0";
 
         while (my ($k, $v) = each %$expect)
         {
-            if (ZLIB_VERNUM >= 0x1220)
+            if (Compress::Raw::Zlib::is_zlibng() || ZLIB_VERNUM >= 0x1220)
               { is $hdr->{$k}, $v, "  $k is $v" }
             else
               { ok 1, "  Skip test for $k" }
@@ -357,4 +361,3 @@ EOM
         ok $gunz->close ;
     }
 }
-
diff --git a/cpan/IO-Compress/t/011-streamzip.t b/cpan/IO-Compress/t/011-streamzip.t
index 668177616ffea..386ba37a11af9 100644
--- a/cpan/IO-Compress/t/011-streamzip.t
+++ b/cpan/IO-Compress/t/011-streamzip.t
@@ -87,7 +87,7 @@ sub check
 
 
 # streamzip
-# ########
+# #########
 
 {
     title "streamzip" ;
@@ -123,28 +123,34 @@ for my $method (qw(store deflate bzip2 lzma xz zstd))
     {
         if ($method eq 'lzma')
         {
-            eval { require IO::Compress::Lzma } ;
+            no warnings;
+            eval { require IO::Compress::Lzma && defined &{ 'IO::Compress::Adapter::Bzip2::mkRawZipCompObject' } } ;
             skip "Method 'lzma' needs IO::Compress::Lzma\n", 8
                 if $@;
         }
 
         if ($method eq 'zstd')
         {
-            eval { require IO::Compress::Zstd } ;
+            no warnings;
+            eval { require IO::Compress::Zstd && defined &{ 'IO::Compress::Adapter::Zstd::mkRawZipCompObject' }} ;
             skip "Method 'zstd' needs IO::Compress::Zstd\n", 8
                 if $@;
         }
 
         if ($method eq 'xz')
         {
-            eval { require IO::Compress::Xz } ;
-            skip "Method 'zstd' needs IO::Compress::Xz\n", 8
+            no warnings;
+            eval { require IO::Compress::Xz && defined &{ 'IO::Compress::Adapter::Xz::mkRawZipCompObject' }} ;
+            skip "Method 'xz' needs IO::Compress::Xz\n", 8
                 if $@;
         }
 
         {
             title "streamzip method $method" ;
 
+            skip "streaming unzip not supported with zstd\n", 7
+                if $method eq 'zstd' ;
+
             my ($infile, $outfile);
             my $lex = LexFile->new( $infile, $outfile );
 
diff --git a/cpan/IO-Compress/t/101truncate-rawdeflate.t b/cpan/IO-Compress/t/101truncate-rawdeflate.t
index 371ed5c4b078b..6151c6a93ef9f 100644
--- a/cpan/IO-Compress/t/101truncate-rawdeflate.t
+++ b/cpan/IO-Compress/t/101truncate-rawdeflate.t
@@ -11,6 +11,8 @@ use warnings;
 
 use Test::More ;
 
+use Compress::Raw::Zlib;
+
 BEGIN {
     plan skip_all => "Lengthy Tests Disabled\n" .
                      "set COMPRESS_ZLIB_RUN_ALL or COMPRESS_ZLIB_RUN_MOST to run this test suite"
@@ -21,8 +23,8 @@ BEGIN {
     $extra = 1
         if eval { require Test::NoWarnings ;  import Test::NoWarnings; 1 };
 
-    plan tests => 625 + $extra;
-
+    my $tests = Compress::Raw::Zlib::is_zlibng() ? 615 : 625;
+    plan tests => $tests + $extra;
 };
 
 
diff --git a/cpan/IO-Compress/t/111const-deflate.t b/cpan/IO-Compress/t/111const-deflate.t
index bdb2eca0f70e6..f12d6a9390650 100644
--- a/cpan/IO-Compress/t/111const-deflate.t
+++ b/cpan/IO-Compress/t/111const-deflate.t
@@ -20,7 +20,7 @@ BEGIN {
     $extra = 1
         if eval { require Test::NoWarnings ;  import Test::NoWarnings; 1 };
 
-    plan tests => 355 + $extra ;
+    plan tests => 390 + $extra ;
 }
 
 
@@ -30,6 +30,8 @@ BEGIN {
     my %all;
     for my $symbol (@Compress::Raw::Zlib::DEFLATE_CONSTANTS)
     {
+        next if $symbol eq 'Z_NULL';
+
         eval "defined Compress::Raw::Zlib::$symbol" ;
         $all{$symbol} = ! $@ ;
     }
diff --git a/cpan/IO-Compress/t/cz-03zlib-v1.t b/cpan/IO-Compress/t/cz-03zlib-v1.t
index 41734d055b64c..73d7b894f789e 100644
--- a/cpan/IO-Compress/t/cz-03zlib-v1.t
+++ b/cpan/IO-Compress/t/cz-03zlib-v1.t
@@ -703,7 +703,8 @@ EOM
     ($GOT, $status) = $k->inflate($rest) ;
 
     # Z_STREAM_END returned by 1.12.2, Z_DATA_ERROR for older zlib
-    if (ZLIB_VERNUM >= ZLIB_1_2_12_0)
+    # always Z_STREAM_ENDin zlib_ng
+    if (ZLIB_VERNUM >= ZLIB_1_2_12_0 || Compress::Raw::Zlib::is_zlibng)
     {
         cmp_ok $status, '==', Z_STREAM_END ;
     }