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NEWS: reword things, change ordering, remove one duplicate
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NEWS

Lines changed: 79 additions & 78 deletions
Original file line numberDiff line numberDiff line change
@@ -34,12 +34,13 @@ CHANGES WITH 255 in spe:
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release to be enabled by default.
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* "systemctl switch-root" is now restricted to initrd transitions only.
37-
Transitions between real systems should be done with "systemctl soft-reboot"
38-
instead.
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40-
* The ip=off and ip=none kernel command line options interpreted by
38+
Transitions between real systems should be done with
39+
"systemctl soft-reboot" instead.
40+
41+
* The "ip=off" and "ip=none" kernel command line options interpreted by
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systemd-network-generator will now result in IPv6RA + link-local
42-
addressing to be disabled, too. Previously DHCP was turned off, but
43+
addressing being disabled, too. Previously DHCP was turned off, but
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IPv6RA and IPv6 link-local addressing was left enabled.
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* The NAMING_BRIDGE_MULTIFUNCTION_SLOT naming scheme has been deprecated
@@ -55,16 +56,16 @@ CHANGES WITH 255 in spe:
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* The way services are spawned has been overhauled. Previously, a
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process was forked that shared all of the manager's memory (via
58-
copy-on-write) while doing all the required set ups (e.g.: mount
59+
copy-on-write) while doing all the required setup (e.g.: mount
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namespaces, CGroup configuration, etc.) before exec'ing the target
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executable. This was problematic for various reasons: several glibc
6162
APIs were called that are not supposed to be used after a fork but
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before an exec, copy-on-write meant that if either process (the
6364
manager or the child) touched a memory page a copy was triggered, and
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also the memory footprint of the child process was that of the
65-
manager but with the memory limits of the service. From this version
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manager, but with the memory limits of the service. From this version
6667
onward, the new process is spawned using CLONE_VM and CLONE_VFORK
67-
semantics via posix_spawn(), and it immediately execs a new internal
68+
semantics via posix_spawn(3), and it immediately execs a new internal
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binary, systemd-executor, that receives the configuration to apply
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via memfd, and sets up the process before exec'ing the target
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executable.
@@ -73,10 +74,10 @@ CHANGES WITH 255 in spe:
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instead of PIDs when the kernel supports it, to improve robustness
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and reliability.
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76-
* A new option SurviveFinalKillSignal= is now supported to configure a
77-
unit to skip units on the final SIGTERM/SIGKILL spree on shutdown. This
78-
is part of the required configuration to let a unit's processes survive
79-
a soft-reboot operation without being interrupted.
77+
* A new option SurviveFinalKillSignal= can be used to configure the
78+
unit to be skipped in the final SIGTERM/SIGKILL spree on shutdown.
79+
This is part of the required configuration to let a unit's processes
80+
survive a soft-reboot operation.
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* System extension images (sysext) can now set
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EXTENSION_RELOAD_MANAGER=1 in their extension-release files to
@@ -88,19 +89,20 @@ CHANGES WITH 255 in spe:
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* The ExtensionImages= and ExtensionDirectories= options now support
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confexts images/directories.
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91-
* A new option NFTSet= provides a method for integrating dynamic cgroup IDs
92-
into firewall rules with NFT sets. The benefit of using this setting is to be
93-
able to use control group as a selector in firewall rules easily and this in
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turn allows more fine grained filtering. Also, NFT rules for cgroup matching
95-
use numeric cgroup IDs, which change every time a service is restarted, making
96-
them hard to use in a systemd environment.
92+
* A new option NFTSet= provides a method for integrating dynamic cgroup
93+
IDs into firewall rules with NFT sets. The benefit of using this
94+
setting is to be able to use control group as a selector in firewall
95+
rules easily and this in turn allows more fine grained filtering.
96+
Also, NFT rules for cgroup matching use numeric cgroup IDs, which
97+
change every time a service is restarted, making them hard to use in
98+
systemd environment.
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* A new option CoredumpReceive= can be set for service and scope units,
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together with Delegate=yes, to make systemd-coredump on the host
100-
forward core files from processes crashed inside the delegated CGroup
101-
subtree to systemd-coredump running in the container. This new option
102-
is by default used by systemd-nspawn containers that use the "--boot"
103-
switch, i.e. are fully booted up.
102+
forward core files from processes crashing inside the delegated
103+
CGroup subtree to systemd-coredump running in the container. This new
104+
option is by default used by systemd-nspawn containers that use the
105+
"--boot" switch.
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* A new ConditionSecurity=measured-uki option is now available, to ensure
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a unit can only run when the system has been booted from a measured UKI.
@@ -111,22 +113,22 @@ CHANGES WITH 255 in spe:
111113
* The $USER environment variable is now always set for services, while
112114
previously it was only set if User= was specified. A new option
113115
SetLoginEnvironment= is now supported to determine whether to also set
114-
$HOME, $LOGNAME and $SHELL.
116+
$HOME, $LOGNAME, and $SHELL.
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116118
* Socket units now support a new pair of
117119
PollLimitBurst=/PollLimitInterval= options to configure a limit on
118120
how often polling events on the file descriptors backing this unit
119121
will be considered within a time window.
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121-
* Scope units can now be created passing PIDFDs instead of PIDs to select
123+
* Scope units can now be created using PIDFDs instead of PIDs to select
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the processes they should include.
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* Sending SIGRTMIN+18 with 0x500 as sigqueue() value will now cause the
125127
manager to dump the list of currently pending jobs.
126128

127-
* If the kernel supports MOVE_MOUNT_BENEATH, the systemctl and machinectl
128-
bind and mount-image verbs will now cause the new mount to to replace
129-
the old mount (if any), instead of overmounting it.
129+
* If the kernel supports MOVE_MOUNT_BENEATH, the systemctl and
130+
machinectl bind and mount-image verbs will now cause the new mount to
131+
replace the old mount (if any), instead of overmounting it.
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131133
TPM2 Support + Disk Encryption & Authentication:
132134

@@ -181,14 +183,6 @@ CHANGES WITH 255 in spe:
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182184
systemd-boot, systemd-stub, ukify, bootctl, kernel-install:
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184-
* The 90-loaderentry kernel-install hook now supports installing device
185-
trees.
186-
187-
* ukify is no longer considered experimental, and now ships in /usr/bin/.
188-
189-
* ukify gained a new verb, inspect, that describes the sections of a UKI
190-
and print the content of the well-known sections.
191-
192186
* bootctl will now show whether the system was booted from a UKI in its
193187
status output.
194188

@@ -225,18 +219,29 @@ CHANGES WITH 255 in spe:
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passed from systemd-boot when running inside Confidential VMs with UEFI
226220
SecureBoot enabled.
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222+
* ukify is no longer considered experimental, and now ships in /usr/bin/.
223+
224+
* ukify gained a new verb inspect to describe the sections of a UKI and
225+
print the contents of the well-known sections.
226+
227+
* ukify gained a new verb genkey to generate a set of of key pairs for
228+
signing UKIs and their PCR data.
229+
230+
* The 90-loaderentry kernel-install hook now supports installing device
231+
trees.
232+
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systemd-repart:
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230-
* A new option --copy-from= that synthesizes partition definitions from
231-
the given image, which are then applied to the systemd-repart algorithm,
232-
has been added.
235+
* A new option --copy-from= has been added that synthesizes partition
236+
definitions from the given image, which are then applied by the
237+
systemd-repart algorithm.
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234239
* A new option --copy-source= has been added, which can be used to specify
235240
a directory to which CopyFiles= is considered relative to.
236241

237-
* New --make-ddi=confext, --make-ddi=sysext and --make-ddi=portable options
238-
have been added to make it easier to generate these types of DDIs,
239-
without having to provide repart.d definitions for them.
242+
* New --make-ddi=confext, --make-ddi=sysext, and --make-ddi=portable
243+
options have been added to make it easier to generate these types of
244+
DDIs, without having to provide repart.d definitions for them.
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241246
* The dm-verity salt and UUID will now be derived from the specified
242247
seed value.
@@ -258,11 +263,11 @@ CHANGES WITH 255 in spe:
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* udev will now create symlinks to loopback block devices in the
259264
/dev/disk/by-loop-ref/ directory that are based on the .lo_file_name
260265
string field selected during allocation. The systemd-dissect tool and
261-
the util-linux losetup command now supports a complementing new
262-
switch --loop-ref= for selecting the string. This means a loopback
263-
block device may now be allocated under a caller-chosen reference and
264-
can subsequently be referenced by that without first having to look
265-
up the block device name the caller ended up with.
266+
the util-linux losetup command now supports a complementing new switch
267+
--loop-ref= for selecting the string. This means a loopback block
268+
device may now be allocated under a caller-chosen reference and can
269+
subsequently be referenced without first having to look up the block
270+
device name the caller ended up with.
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* udev also creates symlinks to loopback block devices in the
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/dev/disk/by-loop-inode/ directory based on the .st_dev/st_ino fields
@@ -299,16 +304,16 @@ CHANGES WITH 255 in spe:
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is now dropped, as it never worked, hence it should not be used by
300305
anyone.
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302-
* The 'prefixstable' ipv6 address generation mode now considers the
303-
SSID when generating stable addresses, so that a different stable
304-
address is used when roaming between wireless networks. If you
305-
already use 'prefixstable' addresses with wireless networks, the
306-
stable address chosen will be changed by the update.
307+
* The 'prefixstable' ipv6 address generation mode now considers the SSID
308+
when generating stable addresses, so that a different stable address
309+
is used when roaming between wireless networks. If you already use
310+
'prefixstable' addresses with wireless networks, the stable address
311+
will be changed by the update.
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308-
* The DHCPv4 client gained a RapidCommit= option, default true, which
313+
* The DHCPv4 client gained a RapidCommit option, true by default, which
309314
enables RFC4039 Rapid Commit behavior to obtain a lease in a
310315
simplified 2-message exchange instead of the typical 4-message
311-
exchange if also supported by the DHCP server.
316+
exchange, if also supported by the DHCP server.
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313318
* The DHCPv4 client gained new InitialCongestionWindow= and
314319
InitialAdvertisedReceiveWindow= options for route configurations.
@@ -320,7 +325,7 @@ CHANGES WITH 255 in spe:
320325
(RFC8925).
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322327
* The SendHostname= and Hostname= options are now available for the
323-
DHCPv6 client, independent of the DHCPv4 option, so that these
328+
DHCPv6 client, independently of the DHCPv4= option, so that these
324329
configuration values can be set independently for each client.
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326331
* The DHCPv4 and DHCPv6 client state can now be queried via D-Bus,
@@ -345,18 +350,18 @@ CHANGES WITH 255 in spe:
345350
indirection of NFT set types.
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347352
* The [IPv6AcceptRA] section supports the following new options:
348-
UsePREF64=, UseHopLimit=, UseICMP6RateLimit= and NFTSet=.
353+
UsePREF64=, UseHopLimit=, UseICMP6RateLimit=, and NFTSet=.
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350355
* The [IPv6SendRA] section supports the following new options:
351-
RetransmitSec=, HopLimit=, HomeAgent=, HomeAgentLifetimeSec= and
356+
RetransmitSec=, HopLimit=, HomeAgent=, HomeAgentLifetimeSec=, and
352357
HomeAgentPreference=.
353358

354359
* A new [IPv6PREF64Prefix] set of options, containing Prefix= and
355360
LifetimeSec=, has been introduced to append pref64 options in router
356361
advertisements (RFC8781).
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358363
* The network generator now configures the interfaces with only
359-
link-local addressing if ip=link-local is specified on the kernel
364+
link-local addressing if "ip=link-local" is specified on the kernel
360365
command line.
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362367
* The prefix of the configuration files generated by the network
@@ -381,20 +386,19 @@ CHANGES WITH 255 in spe:
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* systemctl is-failed now checks the system state if no unit is
382387
specified.
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384-
* systemctl will now automatically soft-reboot if a new root file
385-
system has been setup in /run/nextroot/ when a reboot operation
386-
is invoked.
389+
* systemctl will now automatically soft-reboot if a new root file system
390+
is found under /run/nextroot/ when a reboot operation is invoked.
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388392
Login management:
389393

390-
* wall messages now work even when utmp support is disabled, using
394+
* Wall messages now work even when utmp support is disabled, using
391395
systemd-logind to query the necessary information.
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393397
* systemd-logind now sends a new PrepareForShutdownWithMetadata D-Bus
394-
signal before shutdown/reboot/soft-reboot, that includes additional
395-
information with respect to what PrepareForShutdown has. Currently
396-
the additional information is the type of operation that is about to
397-
be executed.
398+
signal before shutdown/reboot/soft-reboot that includes additional
399+
information compared to the PrepareForShutdown signal. Currently the
400+
additional information is the type of operation that is about to be
401+
executed.
398402

399403
Hibernation & Suspend:
400404

@@ -432,9 +436,9 @@ CHANGES WITH 255 in spe:
432436
transient unit.
433437

434438
* systemd-analyze, systemd-tmpfiles, systemd-sysusers, systemd-sysctl,
435-
and systemd-binfmt gained a new --tldr option that can be used in
436-
combination with --cat-config to suppress uninteresting configuration
437-
lines, such as comments.
439+
and systemd-binfmt gained a new --tldr option that can be used instead
440+
of --cat-config to suppress uninteresting configuration lines, such as
441+
comments and whitespace.
438442

439443
* resolvectl gained a new "show-server-state" command that shows
440444
current statistics of the resolver. This is backed by a new
@@ -448,19 +452,19 @@ CHANGES WITH 255 in spe:
448452

449453
* seccomp now supports the LoongArch64 architecture.
450454

451-
* systemd-id128 now supports a new -P option to show only values, and
452-
combining --app with the show verb.
455+
* systemd-id128 now supports a new -P option to show only values. The
456+
combination of -P and --app options is also supported.
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454-
* A new pam_systemd_loadkey.so PAM module is now available, which
455-
allows automatically fetching the passphrase used by cryptsetup to
456-
unlock the root file system and setting it as the PAM authtok. This
457-
enables, among other things, configuring auto-unlock of the GNOME
458-
Keyring / KDE Wallet when autologin is configured.
458+
* A new pam_systemd_loadkey.so PAM module is now available, which will
459+
automatically fetch the passphrase used by cryptsetup to unlock the
460+
root file system and set it as the PAM authtok. This enables, among
461+
other things, configuring auto-unlock of the GNOME Keyring / KDE
462+
Wallet when autologin is configured.
459463

460464
* Many meson options now use the 'feature' type, which means they
461465
take enabled/disabled/auto as values.
462466

463-
* A new meson option configfiledir can be used to change where
467+
* A new meson option -Dconfigfiledir= can be used to change where
464468
configuration files with default values are installed to.
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466470
* Options and verbs in man pages are now tagged with the version they
@@ -905,9 +909,6 @@ CHANGES WITH 254:
905909
* ukify has been updated to allow building these UEFI PE "add-on"
906910
images, using the new 'addon<EFI-ARCH>.efi.stub'.
907911

908-
* ukify gained a new "genkey" verb for generating a set of of key pairs
909-
to sign UKIs and their PCR data with.
910-
911912
* ukify now accepts SBAT information to place in the .sbat PE section
912913
of UKIs and addons. If a UKI is built the SBAT information from the
913914
inner kernel is merged with any SBAT information associated with

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