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Subject:	Fwd: [Ms-nfs41-client-devel] [Announcement] NFSv4.2/NFSv4.1
	filesystem client Windows driver binaries for Windows 10/11+WindowsServer
	2019/2022/2025 for testing, 2025-12-17 ...
To:	cygwin AT cygwin DOT com
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From:	Cedric Blancher via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Cedric Blancher <cedric DOT blancher AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com>

Good morning!

For your consideration - we need feedback, please!

New is:
- XMAS release
- Windows Server 2025 is now supported (NFS client, and using WS2025
as NFSv4.1 server)
- Windows ARM64/aarch64 support added
- Windows FCB collapsing is now supported, multiple Windows file
handles can share a single NFS file handle, if access attributes match
- Now supports case-insensitive NFS filesystems
- Copy acceleration (Win32 read/write offload) via server-side NFSv4.2
COPY for copy, xcopy, Windows Explorer, ...,  works even if the
exported filesystem does not support block cloning
- New tool to manage machine-wide mounts for all logons/services:
/sbin/nfs_globalmount.exe
- Better FreeBSD NFS server compatibility
- Bug fixes for Win11
- Volume label is now an URL to the NFS server, e.g. nfs://hostname/
- winsg.exe now supports PowerShell directly- The NFS driver and
wings.exe now support non-ASCII characters (e.g french circumflex)
- Improved Windows Extended Attribute (EA) support
- Sparse file support (https://en.wikipedia.org/wiki/Sparse_file) for
HPC environments
- Symlink conversion, to make Windows symlinks exchangeable with other
NFS clients on other platforms
- Windows Server 2019 NFSv4.1 nfsd, Windows Server 2022 NFSv4.1 nfsd,
Solaris 11.4 NFSv4.1 nfsd, Illumos NFSv4.2 nfsd and FreeBSD >= 14 nfsd support
- MSYS2 support
- TMPDIR/TMP/TEMP env variables can now point to a NFS filesystem
- Windows Storage32 API support, required for using MSI installer
files on NFS mounts

Ced

---------- Forwarded message ---------
From: Roland Mainz <roland DOT mainz AT nrubsig DOT org>
Date: Wed, 17 Dec 2025 at 20:50
Subject: [Ms-nfs41-client-devel] [Announcement] NFSv4.2/NFSv4.1
filesystem client Windows driver binaries for Windows
10/11+WindowsServer 2019/2022/2025 for testing, 2025-12-17 ...
To: <ms-nfs41-client-devel AT lists DOT sourceforge DOT net>


Hi!


----

We've created a set of test binaries for the NFSv4.2/NFSv4.1
filesystem client driver for Windows 10 (32bit x86, x86-64, ARM64),
Windows 11 (x86-64, ARM64)+Windows Server 2019/2022/2025 (x86-64,
ARM64), based on https://github.com/kofemann/ms-nfs41-client (commit
id #6b11d381c68c0fae5a777b9980e71058abdc1d61, git bundle in tarball),
for testing and feedback.

** FULL release readme:
- http://www.nrubsig.org/people/gisburn/work/msnfs41client/releases/testing/msnfs41client_cygwin_64bit32bit_binaries_20251217_18h32m_git6b11d38.readme
- http://www.nrubsig.org/people/gisburn/work/msnfs41client/releases/testing/msnfs41client_cygwin_64bit32bit_binaries_20251217_18h32m_git6b11d38.html

** Download URL (all architectures+platforms):
- http://www.nrubsig.org/people/gisburn/work/msnfs41client/releases/testing/msnfs41client_cygwin_64bit32bit_binaries_20251217_18h32m_git6b11d38.tar.bz2

** Download hash sums:
SHA2-256(msnfs41client_cygwin_64bit32bit_binaries_20251217_18h32m_git6b11d38.html)=
c45c7fb36bffb9ff8a1dfa51b95c6c551655b858e6336e7a6002d3837507ba99
SHA2-256(msnfs41client_cygwin_64bit32bit_binaries_20251217_18h32m_git6b11d38.readme)=
369d1e3850f4b9279415924607cd1c2c31a09ca663dba3b30263da200cac77f9
SHA2-256(msnfs41client_cygwin_64bit32bit_binaries_20251217_18h32m_git6b11d38.tar.bz2)=
531606d4aed8f817da646a71970cf7b5dd56b11aee733ba3fa7ccac9aa546746


** Major changes since the last release:
- Support for Windows "SRVOpen collapsing", which enables file handles
with the access/permission/etc attributes to share one NFS file handle
(saving open/close round trips to the NFS server)
- Added support for Windows Server 2025
- Symlinks are now using the group defined by Win32 PrimaryGroup
(which can be set via Cygwin newgrp(1)/|setgid()| or winsg(1))
- Added a new standalone tool called catdbgprint.exe which can be used
to listen to Windows kernel |DbgPrint()| debug messages (DbgView.exe
from Windows Internals still works, but this avoids installing an
extra tool)
- Added support for Windows "Extended Create Parameters" ECP
QUERY_ON_CREATE |QoCFileStatInformation| and |QoCFileLxInformation|
- Added support for setting a file's ACL at file creation time
- Bugfixes for FreeBSD NFS server
- Fixed issues probing sparse files when using the nfs-ganesha NFS server
- Disk and CDROM/DVD images can now be mounted via
https://github.com/gisburn/filedisk-sparse/
- UNC path format changed to <hostname>@<protocol>@<port>, e.g.
ournfsserver AT NFS@2049, to support future transport+mount options (e.g.
RDMA , TLS/SSL etc.)
- Window 11/ARM64 is now supported (native aarch64 kernel module and
nfs*.exe userland utilities)
- /sbin/nfs_globalmount, a new tool for Administrators to manage
global/machine-wide mounts which are available to all Windows
users/services/logons
- New "nfsclientdctl" utility to change the NFS client daemon
parameters at runtime
- support for case-insensitive filesystems (e.g. Windows Server NTFS)
- NFS referrals now work with custom (non-TCP/2049) port numbers
- Implemented |FSCTL_OFFLOAD_READ|+|FSCTL_OFFLOAD_WRITE| (e.g. used by
Windows 10 xcopy, Windows Explorer etc) for server-side NFSv4.2 COPY
- Better FreeBSD 14 nfsd compatibility
- DFS service no longer needs to be disabled
- More software tested for compatibility: MariaDB, Microsoft Office
2016, Visual Studio 2022 work with msnfs41client
- Volume label is now the nfs://-URL to the server (up to 31
characters for Windows Explorer compatibility)
- Support for user and group names with non-ASCII (e.g. Unicode) names
(like German umlauts) in ms-nfs41-client, winsg.exe etc.
- winsg.exe now has a /P option to run powershell.exe with the requested group
- nfs_mount.exe now enforces that normal mounts need nfs://-URLs with
absolute paths, and "public NFS" mounts need relative paths in a
nfs://-URL
- sec=none support
- Improved /sbin/cygwinaccount2nfs4account script to better handle
creation of Windows Domain accounts on the NFS server side
- *.(exe|dll) executables are now signed with a WDK test signature,
helping with *rare* cases that Windows Defender with paranoid settings
wrongly recognising the binaries as potential threads. A *.cer
certificate file is supplied which can be imported into the Windows
Defender to whitelist the binaries if this happens.
- Support for FSCTL_DUPLICATE_EXTENTS_TO_FILE, which allows Windows 11
applications which use |CopyFile2()| (like cmd.exe  copy, xcopy.exe
etc) to copy files via block cloning. Requires NFSv4.2 NFS server with
{ CLONE, SEEK, DEALLOCATE } support, exporting a filesystem which
supports block cloning (e.g. btrfs, xfs). This includes correct
cloning of sparse files.
- Sparse file support (requires NFSv4.2 server { SEEK, ALLOCATE,
DEALLOCATE } and the |FATTR4_WORD1_SPACE_USED| attr), including
hole/data range enumeration, punching holes etc., e.g. $ fsutil sparse
queryrange mysparsefile #
- Improved Windows Extended Attribute (EA) support (requires NFS >=
v4.1 server with "Named Attribute" support ("OPENATTR")), including
create/read/write/delete
- Improved WSL support
- Support for Storage32-API (e.g. enables use of *.msi installer files
on NFS filesystems)
- Cygwin /usr/bin/svn and Windows '/cygdrive/c/Program
Files/Git/cmd/git' now work
- Illumos NFSv4.2 server is now supported
- Solaris 11.4 NFSv4.1 server is now supported
- Windows Server 2022 NFSv4.1 server is now supported (compared to
WS2019 this NFS server version has ACL support)

** Please send comments, bugs, test reports, complaints etc. to the
MailMan mailing list at
https://sourceforge.net/projects/ms-nfs41-client/lists/ms-nfs41-client-devel

----

Bye,
Roland
--
  __ .  . __
 (o.\ \/ /.o) roland DOT mainz AT nrubsig DOT org
  \__\/\/__/  MPEG specialist, C&&JAVA&&Sun&&Unix programmer
  /O /==\ O\  TEL +49 641 3992797
 (;O/ \/ \O;)


_______________________________________________
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-- 
Cedric Blancher <cedric DOT blancher AT gmail DOT com>
[https://plus.google.com/u/0/+CedricBlancher/]
Institute Pasteur

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