This update for syncthing brings a new version and fixes the following issues:

- Update to version 0.14.42:
* Discovering new files in a deleted directory does not resurrect
the directory (gh#syncthing/syncthing#4475).
* "Panic: interface conversion: *errors.errorString is not
net.Error" after restart (gh#syncthing/syncthing#4561).
* Auto-accept shared directories from trusted devices
(gh#syncthing/syncthing#2299).
* Empty directories in .stversions should be removed
(gh#syncthing/syncthing#4406).
* Human readable errors on attempted deletion of a non-empty
directory (gh#syncthing/syncthing#4476).
* Add confirmation on the Remove Folder / Device button
(gh#syncthing/syncthing#4543).

- Update to version 0.14.41:
* Devices with ignored files stay "synchronising" forever
(gh#syncthing/syncthing#623).
* No Global Discovery without Synch Protocol Listen Address
(gh#syncthing/syncthing#4418).
* Local network classification doesn't always work
(gh#syncthing/syncthing#4421).
* Hashed GUI password should not be rehashed
(gh#syncthing/syncthing#4458).
* Pulls not triggered correctly on reconnection
(gh#syncthing/syncthing#4504).
* A symlink/file replacement doesn't work properly
(gh#syncthing/syncthing#4505).
* File/directory replacement doesn't work properly
(gh#syncthing/syncthing#4506).
* Logging at info level and above should always include context
(gh#syncthing/syncthing#4510).
* Panic in "pfilter" package on 32 bit architectures
(gh#syncthing/syncthing#4537).
* Allow synchronising read-only directories as
"Master Directories" (gh#syncthing/syncthing#1126).
* "Global Changes" button is confusing, retitle to
"Recent Changes" (gh#syncthing/syncthing#4326).
* Dial device addresses in parallel
(gh#syncthing/syncthing#4456).
* Avoid lots and lots of announced addresses in the presence of
symmetric NAT (gh#syncthing/syncthing#4519).
* Split transport usage reporting per stack
(gh#syncthing/syncthing#4463).

- Update to version 0.14.40:
- Report more data part of the anonymous usage report
(gh#syncthing/syncthing#3628)
- Better report synchronisation errors
(gh#syncthing/syncthing#4392).
- Removing paused directories no longer causes a panic
(gh#syncthing/syncthing#4405).
- Make local IPv4 discovery more resilient against write failures
(gh#syncthing/syncthing#4414).
- Clearer logging around config failures at startup
(gh#syncthing/syncthing#4431).
- Do not complain about inability to fsync files
(gh#syncthing/syncthing#4432).
- Improve KCP connections (gh#syncthing/syncthing#4446).
- Improve directory health checking
(gh#syncthing/syncthing#4451).
- Include built-in support for file system notifications,
although it is disabled by default.
- Enable by default the UDP based "KCP" protocol.

- Update to version 0.14.39:
* Removing paused directories no longer triggers a crash
(gh#syncthing/syncthing#4357).
* Add further security related HTTP headers
(gh#syncthing/syncthing#4360).
* Improve info level logging in some cases
(gh#syncthing/syncthing#4375).
* Improve GUI tooltips in chromium based browsers
(gh#syncthing/syncthing#4377).
* Add -device-id command line switch
(gh#syncthing/syncthing#4387).
* Failure to upgrade directory markers from file to directory
type is no longer fatal.

- Update to version 0.14.38:
* KCP connections are now more stable
(gh#syncthing/syncthing#4063, gh#syncthing/syncthing#4343)
* Hashing benchmarks are skipped if a manual selection has
been forced (gh#syncthing/syncthing#4348).
* Relay server RAM usage has been reduced
(gh#syncthing/syncthing#4245).

- Update to version 0.14.37 (changes since 0.14.32):
* Relative version paths are now correctly relative to the
directory path (gh#syncthing/syncthing#4188).
* Remote devices now show bytes remaining to synchronise
(gh#syncthing/syncthing#4227).
* Editing ignore patterns no longer incorrectly shows included
patterns (gh#syncthing/syncthing#4249).
* The new directory dialogue now suggests a default path.
Adjustable via advanced config defaultFolderPath
(gh#syncthing/syncthing#2157).
* The build script no longer sets -installsuffix by default
(gh#syncthing/syncthing#4272).
* Prevent a vulnerability that allows file overwrite via
versioned symlinks (CVE-2017-1000420, boo#1074428, gh#syncthing/syncthing#4286).
* Symlinks are deleted from versioned directories on startup
(gh#syncthing/syncthing#4288).
* Directory paths are no longer reset when editing a directory
without a label (gh#syncthing/syncthing#4297).
* Better detect synchronisation conflicts that happen while
synchronising (gh#syncthing/syncthing#3742,
gh#syncthing/syncthing#4305).
* Fix a crash related to a nil reference in ignore handling
(gh#syncthing/syncthing#4300).
- Stop requiring golang.org/x/net/context.

- Update to version 0.14.32:
* "Nearby devices" are now shown in the add device dialogue,
avoiding the need to type their device ID
(gh#syncthing/syncthing#4157).
* Directories that were once ignored in a sharing request now
actually work properly when later added manually
(gh#syncthing/syncthing#4219).

- Update to version 0.14.31 (changes since 0.14.29):
* Correctly clear warning "path is a subdirectory of other
folder" in directory dialogue (gh#syncthing/syncthing#3433).
* Conflict copies filename now includes the ID of the last device
to change the file (gh#syncthing/syncthing#3524).
* Directories offered by other devices can now be ignored
(gh#syncthing/syncthing#3993).
* Changed device name takes effect with restart; device name is
not sent to unknown devices (gh#syncthing/syncthing#4164).
* Correctly show CPU usage when started with -no-restart option
(gh#syncthing/syncthing#4183).
* Icons and directory information in local device summary is
consistent with that in directories
(gh#syncthing/syncthing#4100).
* Fix a data race in KCP & STUN (gh#syncthing/syncthing#4177).
* Ignore patterns on newly accepted directories are no longer
erroneously inherited from an earlier added directory
(gh#syncthing/syncthing#4203).

- Update to version 0.14.29:
* The layout of the global changes dialogue is improved
(gh#syncthing/syncthing#3895).
* Running as root or SYSTEM now triggers a warning recommending
against it (gh#syncthing/syncthing#4123).
* Changing the theme no longer causes an HTTP error
(gh#syncthing/syncthing#4127).

- Update to version 0.14.28:
* It is now possible to create custom event subscriptions via the
REST API (gh#syncthing/syncthing#1879).
* Removing large directories now uses less memory
(gh#syncthing/syncthing#2250).
* The minimum disc space (per directory and for the home drive)
can now be set to an absolute value
(gh#syncthing/syncthing#3307).
* Pausing or reconfiguring a directory will no longer start extra
scans. Pausing a directory stops scanning
(gh#syncthing/syncthing#3965).
* Ignore patterns can now be set at directory creation time, and
for paused directories (gh#syncthing/syncthing#3996).
* It is no longer possible to configure the GUI/API to listen on
a privileged port using the standard settings dialogue
(gh#syncthing/syncthing#4020).
* The device allowed subnet list can now include negative ("!")
entries to disallow subnets (gh#syncthing/syncthing#4096).
* Doing "Override changes" now uses less memory
(gh#syncthing/syncthing#4112).
- Require golang.org/x/net/context on openSUSE older than
openSUSE Leap 15.x.

- Update to version 0.14.27:
* Devices can now have a list of allowed subnets (advanced
config) (gh#syncthing/syncthing#219).
* The transfer rate units can now be changed by clicking on the
value (gh#syncthing/syncthing#234).
* UI text explaining "Introducer" is improved
(gh#syncthing/syncthing#1819).
* Advanced config editor can now edit lists of things
(gh#syncthing/syncthing#2267).
* Directories created for new directories now obey the user umask
setting (gh#syncthing/syncthing#2519).
* Incoming index updates are consistency checked better
(gh#syncthing/syncthing#4053).

- Update to version 0.14.26:
* Discovery errors are more clearly displayed in the GUI
(gh#syncthing/syncthing#2344).
* The language dropdown menu in the GUI is now correctly sorted
(gh#syncthing/syncthing#3913).
* When there are items that could not be synced, their full path
is displayed in the GUI.

- Update to version 0.14.25:
* Improve "Pause All"/"Resume All" icons
(gh#syncthing/syncthing#4003).
* There are now mips and mipsle builds by default
(gh#syncthing/syncthing#3959).
* The "overwriting protected files" warning now correctly handles
relative paths to the config directory
(gh#syncthing/syncthing#3183).
* The experimental KCP protocol for transfers over UDP has been
merged, although it's not currently enabled by default
(gh#syncthing/syncthing#804).

- Update to version 0.14.24:
* lib/sync: Fix a race in unlocker logging
(gh#syncthing/syncthing#3884).
* Make links and log messages refer to https instead of http
where possible (gh#syncthing/syncthing#3976).
* The default number of parallel file processing routines per
directory is now two (previously one), and the number of
simultaneously outstanding network requests has been increased.
* The UI now contains buttons to pause or resume all directories
with a single action.

- Update to version 0.14.23 (changes since 0.14.21):
* Leading and trailing spaces are no longer stripped in the GUI
password field (gh#syncthing/syncthing#3935)
* The GUI shows remaining amount of data to sync per directory
(gh#syncthing/syncthing#3908).
* There should no longer be empty entries in the global log
(gh#syncthing/syncthing#3933).
* Weak hashing is now by default only enabled when it makes sense
from a performance point of view (gh#syncthing/syncthing#3938).

- Update to version 0.14.21 (changes since 0.14.19):
* There is now a warning when adding a directory that is a parent
of an existing directory (gh#syncthing/syncthing#3197).
* Using -logfile flag together with -no-restart now causes an
error instead of silently failing (gh#syncthing/syncthing#3912).
* Weak hashing is now disabled completely when the threshold
percentage is > 100 (gh#syncthing/syncthing#3891).
* Rate limiting now actually works on ARM64 builds again
(gh#syncthing/syncthing#3921).
* Fix an issue where UPnP port allocations would be incorrect
under some circumstances (gh#syncthing/syncthing#3924).
* Weak hashing is a bit faster and allocates less memory.
* The hashing performance reported at startup now includes weak
hashing.
* The GUI "network error" dialogue no longer shows up as easily
in some scenarios when using Syncthing behind a reverse proxy.

- Update to version 0.14.19:
* Changing bandwidth rate limits now takes effect immediately
without restart (gh#syncthing/syncthing#3846)
* The event log (-audit) can now be directed to stderr for
piping into an another application
(gh#syncthing/syncthing#3859).
* A panic on directory listing at startup has been fixed
(gh#syncthing/syncthing#3584).
* When a directory is deleted, the .stfolder marker is also
removed. The ignore file and .stversions directory are
retained, if present (gh#syncthing/syncthing#3857).
* Several scenarios where a device would get stuck with
'not a directory' errors are now handled again
(gh#syncthing/syncthing#3819).
* Third party copyrights in the about box are now more up to
date (gh#syncthing/syncthing#3839).
* Hashing performance has been improved
(gh#syncthing/syncthing#3861)

- Update to version 0.14.18:
* Fix connections to older Syncthing versions being no longer
closed due to an unmarshalling message:
'proto: wrong wireType = 2 for field BlockIndexes'
(gh#syncthing/syncthing#3855).

- Update to version 0.14.17:
* Panics caused by corrupt on disc database are now better
explained in the panic message (gh#syncthing/syncthing#3689).
* Statically configured device addresses without port number now
correctly defaulted to port 22000 again
(gh#syncthing/syncthing#3817).
* Inotify clients no longer cause 'invalid subpath' errors to be
displayed (gh#syncthing/syncthing#3829).
* Directories can now be paused (gh#syncthing/syncthing#215).
* "Master" directories are now called "send only" in order to
standardise on a terminology of sending and receiving changes
(gh#syncthing/syncthing#2679).
* Pausing devices and directories now persists across restarts
(gh#syncthing/syncthing#3407).
* A rolling checksum is used to identify and reuse blocks that
have moved within a file (gh#syncthing/syncthing#3527).
* Syncthing allows setting the type-of-service field on outgoing
packets, configured by the advanced setting "trafficClass"
(gh#syncthing/syncthing#3790).
* Which device introduced another device is now visible in the
GUI (gh#syncthing/syncthing#3809).