Viscosity


A first class OpenVPN client that lets you secure your network with ease & style.

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Free for 30 days. Mac & Win.

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Version 1.11

added
OpenVPN 2.6 Support
added
OpenVPN server version compatibility option in connection editor
added
Support for DNS servers and domains set via IPv6 RAs (RDNSS and DNSSL)
added
Automatic IPv6 RA gateway detection via new route-ipv6-gateway auto flag
improved
Support for additional PKCS#11 tokens and slot types
improved
Import support for IPv4 routes being specified with a prefix
improved
Detection of additional mismatched client-server cipher settings
improved
Support for additional Windows Certificate Store certificate types and tokens
improved
Improved support for IPv6-only TAP connections
updated
OpenVPN updated to version 2.6.9
updated
OpenSSL updated to version 3.0.13
fixed
Resolves issue running on older Windows 10 on ARM64 devices
fixed
Resolves issue when Import from Server profile URL uses a different domain
fixed
Workaround for login bug in CloudConnexa when using Import from Server
fixed
Resolves issue where the reported connection time could be incorrect
fixed
Various bug fixes and enhancements
removed
OpenVPN 2.5 removed

SHA-256 Digest: ddf27cc75b2eb7fc9bffbd62a02a87c3e310042d60f62d818112c6ea46448d9c

Version 1.10.6

added
Viscosity now runs completely natively on ARM64 machines
improved
Support for OpenVPN-AS web authentication session tokens improved
updated
OpenSSL updated to version 1.1.1w
updated
.NET 4.8.1 is now required
updated
Visual C++ 2022 runtime is now required
fixed
Fixes issue where the Settings toolbar would not adopt dark mode on Windows 11
fixed
Fixes issue where toolbars would not adopt the system color on Windows 11
fixed
Fixes a background display issue with the Menu Icons setting
fixed
Various bug fixes and enhancements
removed
Windows 10 version 2004 and older are no longer supported

SHA-256 Digest: dd7e9856ef17f0965da88e195b4f87016aabb5a96b74c37a74c2949219ce6935

Version 1.10.5

added
Before Connect scripts can now also return a challenge response
improved
Import from Server support for newer versions of OpenVPN-AS using SAML
improved
Preferences now named Settings to match Windows naming
updated
OpenVPN 2.5 updated to version 2.5.9
updated
OpenSSL updated to version 1.1.1t
fixed
Resolves issue where certain advanced commands would not appear in the editor
fixed
The installer will now warn if installing to a potentially insecure custom location
fixed
Various bug fixes and enhancements
removed
OpenVPN 2.4 removed

SHA-256 Digest: 0ee6821132f610a52a3d28ec92c52b2c43870c66c8be74408f3acbd47be70c87

Version 1.10.4

improved
Viscosity Virtual Adapter now supports Windows Server 2022
improved
Viscosity Virtual Adapter will now be automatically updated after a Windows 10 to 11 upgrade
improved
Additional alternative names for DHCP options now supported
updated
OpenSSL updated to version 1.1.1s
updated
Legacy OpenVPN TAP Adapter driver updated
fixed
Resolves issue where empty or whitespace passwords were not accepted
fixed
Resolves issue importing connections with unicode characters in name
fixed
Resolves issue preventing a VPN connection being reconnected once connect-retry-max was reached
fixed
Resolves issue where advanced obfuscation key parameters may be ignored
fixed
Resolves issue where the command-line tool required an older .NET version
fixed
Various bug fixes and enhancements

SHA-256 Digest: d963ded2cf7bbe9a80798b3104c989824e04fcbcbb77ee4550bda3ce7c3963a1

Version 1.10.3

added
Connections and folders can now be automatically sorted
added
Separate prompt support for two-factor challenges that form part of a password
improved
Additional license details displayed in the About section
improved
Automatic detection and repair of VPN adapter issues caused by third-party legacy filters
updated
OpenSSL updated to version 1.1.1p
updated
OpenVPN 2.5 updated to version 2.5.7
updated
OpenVPN 2.4 updated to version 2.4.12
fixed
Resolves rare issue where network settings were not restored after a system crash
fixed
Various bug fixes and enhancements

SHA-256 Digest: e7fa501d773f8631152ad8d5fd06b74d40fc6cc99d28cee4b82b6b063dadc88e

Version 1.10.2

added
Initial Dark Mode support
updated
OpenVPN 2.5 updated to version 2.5.5
updated
OpenSSL updated to version 1.1.1n
fixed
Resolves issue using Import from Server with certain cloud servers
fixed
Various bug fixes and enhancements

SHA-256 Digest: 1e7cc66a3019f77f8857dc21e2bd049ef5ceb80d0d839878abc601b723ed7002

Version 1.10.1

improved
Microsoft Edge WebView2 Runtime is now optional to install at setup
fixed
DNS Resolution will now work with local (loopback) DNS resolvers or proxies
fixed
Resolves an issue where installation would fail if multiple prerequisites are required
fixed
Driver is now correctly updated by installer after upgrading a Windows 10 system to Windows 11
fixed
Various bug fixes and enhancements

SHA-256 Digest: be6f7123b76dd46dfa7a651d4a5379efa1ce8c8e886b6c1023b2586d09c02638

Version 1.10

added
Support for Windows 11
added
OpenVPN 2.5 Support
added
Support for SSO and SAML authentication
added
New menu icons using colorblind friendly colors
added
The Import from Server feature now supports web authentication
added
The Import from Server feature now supports authenticator enrollment
added
The Import from Server feature now supports OpenVPN Cloud
improved
Small improvements to the connection editor
fixed
Resolves an issue where TAP connections failed to configure DHCP on some systems
fixed
Various bug fixes and enhancements
removed
Windows 7 is no longer supported
removed
Windows 8.1 is no longer supported

SHA-256 Digest: 60866bfa1af3518612781cabaf0a334ab46312554ccc857214455f10d35b9f71

Version 1.9.4

added
Initial Windows 11 compatibility
improved
High DPI scaling improvements
updated
OpenSSL updated to version 1.1.1l
updated
VPN Network Adapter driver updated
fixed
Resolves a rare issue where a crash can occur opening certain windows
fixed
Multiple lines can be added at the same time to Advanced Commands in the connection editor
fixed
Various bug fixes and enhancements

SHA-256 Digest: d48a57cd94eaf46619dd135ad24e382c7144ccfda0ff20b9fd66e3f9f55078c8

Version 1.9.3

updated
OpenSSL updated to version 1.1.1k
updated
OpenVPN updated to version 2.4.11
fixed
Resolves a rare issue where DNS Servers could be queried out of order
fixed
Resolves a potential hang when entering registration details (Build 1723)
fixed
Various bug fixes and enhancements

SHA-256 Digest: 02b845d8135a3d9eb99580e520de66d6e6cef45bc920af6273f8fb860384e134

Version 1.9.2

improved
DPI Scaling now performs correctly across monitors with different scaling
improved
High DPI Scaling support enhancements
updated
.NET 4.8 is now required
fixed
Locally defined automatic proxies will now be correctly set for all adapter types
fixed
Resolves issue where a DNS domain may not be set as a DNS search suffix
fixed
Various bug fixes and enhancements

SHA-256 Digest: 789f125774e3bb7412119402f26528d9f9b82a75b82139c50713ce577ef100a9

Version 1.9.1

improved
Automatic remapping of data-ciphers and related commands
improved
Routes can now be modified in the configuration editor
updated
OpenVPN updated to version 2.4.10
updated
OpenSSL updated to verion 1.1.1i
fixed
Resolves a rare issue where some DNS lookups failed
fixed
Various bug fixes and enhancements

SHA-256 Digest: 888b9791a7cefe99bfd83d1087eff37e5f74f0269a4c115dacad5e435bf30f87

Version 1.9

added
New adapter driver for Windows 10 2004+
added
Connection details are now accessible from Batch and VBS scripts
added
Before-Connect scripts are now able to return a username and password
added
Scripting command added to list all connections as a JSON parsable string
improved
Connection-specific DNS Suffix Search List is now used instead of the global list on Windows 10 1809+
improved
IPv6 SLAAC/RA TAP support has been improved
improved
NCSI and NLA support on Windows 10 2004+ has been improved
improved
Additional compression options have been added to the editor
updated
OpenSSL updated to verion 1.1.1h
fixed
An issue where an extraneous adapter was sometimes left behind after a failed connection attempt no longer occurs
fixed
A rare issue where a connection would become stuck in the creating state has been fixed
fixed
Inline auth-user-pass is now imported correctly
fixed
Resolves low-severity security vulnerability in the installer that could allow library side-loading
fixed
Resolves an issue connecting to some 2FA enabled servers (Build 1695)
fixed
Various bug fixes and enhancements
removed
OpenVPN 2.3 removed

SHA-256 Digest: 719639b4fd8f58b2201a7f3b3c70605c0cbd918e8bd9ed3662b337ec673444f5

Version 1.8.6

added
Fallback support for servers using a round-robin DNS record
improved
Reachability checking and endpoint selection has been improved
improved
Server generated explicit-exit-notify messages are now supported
updated
Updates OpenVPN to version 2.4.9
updated
Updates OpenSSL to version 1.1.1g
fixed
Resolves an issue that could cause a reachability check to fail when using a proxy server
fixed
Resolves a rare issue where dropouts of TCP VPN connections were not detected
fixed
A DHCP specified gateway on TAP connections will no longer override the Send All Traffic option
fixed
Resolves an issue that could cause reachability checks to fail using some protocols (Build 1681)
fixed
Resolves an issue that could cause reachability checks to fail upon server fallback (Build 1682)
fixed
Various bug fixes and enhancements

SHA-256 Digest: 5dad08d05c7ebed94d69ed2752bd9a816fcf482de0106f76fe40a11857bb3985

Version 1.8.5.1

improved
Improves compatibility when used alongside the Umbrella Roaming Client

SHA-256 Digest: 81bb41dc289470aded5796b07486d3c66fcdb7c07f1fe041558f66aa4ca5f6a2

Version 1.8.5

improved
Viscosity DNS now uses unique loopback IP addresses
improved
Network Profiles will now be cleaned up when a connection is removed
updated
Updates OpenSSL to version 1.1.1f
fixed
Resolves an issue where U2F Windows Security dialog was not appearing on some machines
fixed
Resolves an issue where automatic reconnections sometimes didn't occur after a dropout
fixed
Resolves an issue where Use Windows DNS option was sometimes not observed
fixed
Resolves a rare issue that could cause some connection attempts to fail (build 1665)
fixed
Various bug fixes and enhancements

SHA-256 Digest: c3492f90778c4b54fff9b7237a7b24f9e998d233ed83e764935f6c3e17eef3bc

Version 1.8.4

added
Import support for inline usernames and passwords
added
ECDSA support for CNG (--cryptoapicert)
added
TLS 1.3 RSA-PSS support for PKCS#11 and CNG (--cryptoapicert)
improved
Disabled DNS Mode functionality has been improved
updated
OpenSSL updated to version 1.0.2u for OpenVPN 2.3
fixed
Resolves an issue where connections failed on Windows Server Domain Controllers
fixed
Resolves issue with PKCS#11 connections using ECDSA keys
fixed
Resolves low-severity security vulnerability (CVE-2020-5180)
fixed
Resolves regression that could cause some connections to fail on 32-bit installations (Build 1651)
fixed
Various bug fixes and enhancements

SHA-256 Digest: 407b86b06f13f1f861b9fb1dc2be4246bb0714552e7c952656f48ae5d33d8417

Version 1.8.3

improved
Viscosity will now prompt to allow a weak CA digest if detected
improved
Minor user interface improvements
fixed
Various bug fixes and enhancements

SHA-256 Digest: 3245b6f3ef6e6325659d39be2d311bad083f8a8feacea1c82ce4d78ecc2a9329

Version 1.8.2

added
Support for TLS 1.3 and additional ciphers
added
Windows 10 on ARM64 (WoA64) is now supported
improved
Small performance improvements in OpenVPN
updated
OpenSSL updated to version 1.1.1d on OpenVPN 2.4
updated
OpenVPN updated to version 2.4.8
updated
Visual C++ 2015-2019 runtime is now required and will be installed if not present
fixed
Resolves an issue where some connections would fail to connect on subsequent connection attempts
fixed
Resolves an issue where connections would sometimes hang during a reconnect
fixed
Resolves an issue where some .visz configurations failed to import
fixed
Various bug fixes and enhancements

SHA-256 Digest: 6f377dbd242bfab7b408a1df26c2c61c555fdcb777a6ba6353c614d8bcf3854e

Version 1.8.1

added
Adopts native Windows U2F integration on Windows 10 1903+
improved
Ignores unnecessary pushed route-delay commands
fixed
Resolves issue where IPv6 DNS Servers may not be used
fixed
Various bug fixes and enhancements

SHA-256 Digest: 139e43a03b928c1ca324f89f20f49d3e05839217ce66cdb800286c5c5564d953

Version 1.8

added
Main menu traffic graph for active VPN connections
added
Appearance customisation options for the menu traffic graph
added
New menu icons are available in the Appearance section
improved
VPN connections will now establish faster
improved
Faster maximum throughput of VPN connections
improved
Network Interfaces can now be created without disconnecting other connections
improved
Windows Network Location Awareness will now take place for TUN connections
updated
Updates OpenSSL to version 1.0.2t
fixed
Various bug fixes and enhancements

SHA-256 Digest: 00dc34fa020da0bd7af681d72ab5d893a2f5cccaf9247f84db77f87236cf6586

Version 1.7.16

updated
Updates OpenSSL to version 1.0.2s
fixed
Resolves issue where a non-default MTU may not be applied to the adapter
fixed
Various bug fixes and enhancements

SHA-256 Digest: 57c492a0a282fb0c782abb8f8dedf232fdfe4297c82aa13cdc836fd62f5e6cdd

Version 1.7.15

added
Additional U2F devices are now supported
improved
Improved handling of PKCS#11 errors
updated
Updates OpenVPN to version 2.4.7
updated
Updates OpenSSL to version 1.0.2r
updated
VPN Network Adapter driver updated
fixed
Various bug fixes and enhancements

SHA-256 Digest: b2984e3b055d57a849847059159f930cd828977b30080ab5668563728072df5f

Version 1.7.14

fixed
Resolves sandbox regression that could prevent connection files from being loaded
fixed
Resolves sandbox regression that prevented cryptoapicert command from functioning
fixed
Various bug fixes and enhancements

SHA-256 Digest: 18076313ee5dfaa8c117d5b0ebdc701e724b85d8d64460ccb05e5fa1b4f60c91

Version 1.7.13

improved
Sandboxing of the OpenVPN process for added security
improved
Significant improvements to PKCS#11 device and driver handling
improved
OpenVPN is now a native 64-bit binary on x64 systems
updated
OpenSSL updated to version 1.0.2q
updated
VPN Network Adapter driver updated
updated
.NET 4.6.2 or later is now required
fixed
Various bug fixes and enhancements

SHA-256 Digest: a35c54e108da5a22ed70cb3608d95a621322aa22acd316b98b94babc3040f759

Version 1.7.12

added
Connection scripts now have a 60 second timeout
updated
OpenSSL updated to 1.0.2p
fixed
Prevents reconnects when cancelling certain PKCS#11 requests
fixed
Fixes issue where some SRV DNS records were not resolved
fixed
Various bug fixes and enhancements

SHA-256 Digest: 3fe8e4c4ef45ebf22810ba81e0960c4fbe4864a321b9569df548b15c67ed2dab

Version 1.7.11

added
Viscosity version number now passed to the OpenVPN server
improved
Prompt to optionally remove scripts when importing connections
fixed
Resume handling session tokens during renegoiations
fixed
Various bug fixes and enhancements

SHA-256 Digest: 72d894520d9363def8826e912e7969541ca8399d8eefa5c172111abf0c3966f8

Version 1.7.10

added
Automatic route-delay now supported for connections using DHCP
improved
Allows the default route gateway to be a DHCP server
fixed
Resolves issue importing some configurations using <connection> tags
fixed
Fixes display issue with the main menu
fixed
Workaround for issue with OpenVPN's session token handling
fixed
Various bug fixes and enhancements

SHA-256 Digest: a0ebd112194727af5ba8e9ddcee93f3c5af1774c5ca6a24f07d2320ec05871f6

Version 1.7.9

improved
Performance improved when importing a large number of connections
updated
OpenVPN updated to version 2.4.6
updated
VPN Network Adapter driver updated
fixed
Various bug fixes and enhancements

SHA-256 Digest: 8cf96d12814bd4b092a550024cbf543a440167ca04a7066c34e88e17df5a6cf2

Version 1.7.8

improved
Viscosity DNS System now observes Windows hosts file
updated
OpenVPN updated to version 2.4.5
updated
OpenSSL updated to version 1.0.2o
fixed
Fixes bug where large DNS resolutions were dropped
fixed
Fixes a bug where Viscosity would not reconnect after some dropouts
fixed
Various bug fixes and enhancements

SHA-256 Digest: b786adce0218dd8104cc86fe3c217818dd6a52355691fb87caacd20347547276

Version 1.7.7

added
Adds U2F (Universal 2 Factor) support
added
Support for the obfs4 obfuscation protocol
improved
Detection of unsafe environment variables improved
fixed
Various bug fixes and enhancements

SHA-256 Digest: b9096133fdd08dae4b8c3879602e3103503aeaf85b8fe7c5595f4781a6bd8786

Version 1.7.6

improved
Support for longer username, password, and challenge responses
updated
OpenSSL updated to version 1.0.2n
fixed
Fixes session tokens not persisting across reconnections
fixed
Various bug fixes and enhancements

SHA-256 Digest: dbadf3ff25ac3d32594474a6f0b6eef35dc53b5fa911934a17501e1d93acdc7f

Version 1.7.5

updated
OpenVPN updated to version 2.4.4
updated
OpenVPN updated to version 2.3.18
fixed
Various bug fixes and enhancements

SHA-256 Digest: 62d12d4e115ef401bc11bcfeb3a6eafb2e55d152798a9ae888716650f3a9e821

Version 1.7.4

improved
New notification area menu icons added
improved
Adds a Save Log button to the Details window
improved
Further interface improvements for high DPI displays
fixed
Various bug fixes and enhancements

SHA-256 Digest: 2842a142d7854e91f53a170e8a13042fddd50532485581ff77c5bc527688aba6

Version 1.7.3

fixed
Resolves issue where Split DNS lookups may fail on multilingual systems
fixed
Various bug fixes and enhancements

SHA-256 Digest: fd13b15386e90a5dda4cf4707307fbf2e0d4f407ed08ded879dededb641570b9

Version 1.7.2

updated
OpenVPN updated to 2.4.3
updated
OpenVPN updated to 2.3.17
fixed
Various bug fixes and enhancements

SHA-256 Digest: 097e5f977110e5d766beb497eb95a51199bffdf6ad90a2bd42a5256b43e016e4

Version 1.7.1

updated
OpenSSL updated to version 1.0.2l
fixed
All ciphers are now available under OpenVPN 2.4
fixed
Various bug fixes and enhancements

SHA-256 Digest: b96c22df50c1ccaf9de25f21f576b3404d95069c605b84ad1d1312091a758b58

Version 1.7

added
Active connections are now listed separately in the notification tray menu
added
OpenVPN 2.4 Support
added
Traffic obfuscation suppport (obfsproxy)
added
Connections can now be imported by dragging them onto the connections list
added
DNS and encryption information now displayed in the Details window
added
New Block IPv6 when connected to an IPv4-only connection option
added
New Automatically reconnect if disconnected option for connections and folders
improved
DPI scaling improved for multiple windows
improved
Viscosity's DNS System is now used for all DNS modes by defualt
improved
Use Windows DNS System for Full DNS option to disable the above behaviour
updated
OpenVPN updated to 2.4.2
updated
OpenVPN updated to 2.3.16
updated
OpenSSL updated to 1.0.2k
updated
.NET 4.5.2 or later is now required
fixed
Mitigates against stuck DNS servers caused by a forced reboot
fixed
Scripting return values are no longer localized
fixed
Various bug fixes and enhancements
removed
Windows Vista is no longer supported

SHA-256 Digest: 049980c85aeb50eaa8461c105e693baae538cecc4daa85f030f71a1abf3ad7ea

Version 1.6.8

improved
PKCS#11 users will now be prompted to insert their token when needed
improved
Unsafe command detection updated to allow commands using safe parameters
updated
OpenVPN updated to version 2.3.14
fixed
Security: Fixes a potential privilege escalation attack against Viscosity's service
fixed
Various bug fixes and enhancements

SHA-1 Digest: ae5c6efe03eca1d5cf2db42913eab3e7c5c014ba

Version 1.6.7

updated
OpenVPN updated to version 2.3.13
updated
OpenSSL updated to version 1.0.2j
fixed
Various bug fixes and enhancements

SHA-1 Digest: 13f1de6ac4bcfe81ba36eae293d172ebd29990c6

Version 1.6.6

added
Connections inside a folder can now optionally share saved credentials
added
Batch and VBS scripts can now be assigned to run for all connections inside a folder
updated
OpenVPN updated to version 2.3.12
fixed
Various bug fixes and enhancements

SHA-1 Digest: a1887346855e6ab250c3a175b48df4aa00ec94b6

Version 1.6.5

updated
VPN Network Adapter driver updated
fixed
Various bug fixes and enhancements

SHA-1 Digest: ed9fa609700fe6d00d4e149b3473d7d61105b999

Version 1.6.4

updated
OpenVPN updated to version 2.3.11
updated
OpenSSL updated to version 1.0.2h
updated
VPN Network Adapter driver updated
fixed
Various bug fixes and enhancements

SHA-1 Digest: 48039d4f5e86b66ff9c05d1f75e435d6d21254fa

Version 1.6.3

fixed
Fixes rare issue where reachability check fails after connecting
fixed
Various bug fixes and enhancements

SHA-1 Digest: fc0a87bedb9dcefe2082c6742b9c81f644774a8d

Version 1.6.2

improved
Split DNS will now match multi-label subdomains
updated
OpenSSL updated to version 1.0.2g
fixed
Resolves rare issue where static DNS settings may not be restored on disconnect
fixed
DNS domains not associated with a VPN connection are now correctly suffixed
fixed
Various bug fixes and enhancements

SHA-1 Digest: 73fb38c37b3ef0f8b02aeb06e23ddb0ec9e0678e

Version 1.6.1

added
Importing from a server now supports two-factor authentication
added
Allows the DNS mode to be pushed from an OpenVPN server using dhcp-option
improved
A warning will now appear in the log if using Split DNS with no DNS domains
fixed
Fixes a potential bug with multiple Split DNS connections
fixed
Various bug fixes and enhancements

SHA-1 Digest: 36c65eee871c8950c9de9aa46f4b6168425e6e92

Version 1.6

added
New DNS engine for improved reliability and IPv6 support
added
Split DNS is now supported
added
The DNS mode can now be set on a per-connection basis
added
DNS settings sent by the VPN server can now be ignored
added
Web browser proxy settings can now be set for connections
improved
Details window design and graphing improved
improved
Improved driver for Windows 7+
updated
OpenVPN updated to version 2.3.10
updated
OpenSSL updated to version 1.0.2f
fixed
Windows 10 AOAC Connected Standby is now handled correctly
fixed
Various bug fixes and enhancements
removed
The Apply DNS settings simultaneously option has been removed
removed
Windows XP is no longer supported

SHA-1 Digest: 382d718d7f87b9cbab2e54a01816bdcb30370750

Version 1.5.10

updated
OpenVPN updated to version 2.3.8
fixed
Various bug fixes and enhancements

SHA-1 Digest: d7904cd6252a6171c80b66b2dba80dc8c3f00120

Version 1.5.9

improved
Improved support for Windows 10
improved
Network interface handling enhanced on Windows 7 and later
fixed
Various bug fixes and enhancements

SHA-1 Digest: a1d3b594f03ece2c357a64eaf72ea87ed8b6e7a2

Version 1.5.8

improved
Windows 10 compatibility enhancements
updated
OpenSSL updated to version 1.0.2d
fixed
Various bug fixes and enhancements

SHA-1 Digest: 3d040e3a6dd7953e4986fcf3bf31c05c6612c8c4

Version 1.5.7

updated
OpenVPN updated to version 2.3.7
updated
OpenSSL updated to version 1.0.2c
fixed
Various bug fixes and enhancements

SHA-1 Digest: 7d56f2e2d4b5941ba063939950355fca8993f114

Version 1.5.6

fixed
Resolves Windows 10 compatibility issues
fixed
Various bug fixes and enhancements

SHA-1 Digest: 66c47c2d9895eaa0aac05fe9fd794384425a9b11

Version 1.5.5

improved
Danish Localization added thanks to Lars Juul
updated
OpenSSL updated to version 1.0.2a
fixed
Various bug fixes and enhancements

SHA-1 Digest: 1cc321b6c7e363c1caa6e72e505e0e4b56353218

Version 1.5.4

improved
Ukrainian localization (thanks to Ivan Asavliuk)
updated
OpenSSL updated to version 1.0.2
fixed
Various bug fixes and enhancements

SHA-1 Digest: 8a3960d635f2926c1118e10a19031d576babdf43

Version 1.5.3

updated
OpenVPN updated to version 2.3.6
fixed
Various bug fixes and enhancements

SHA-1 Digest: ae0d6ec3fb74954ca51d3ac19c78ab8fd86a1133

Version 1.5.2

fixed
Resolves rare issue securing paths when connecting
fixed
Resolves issue where connections may fail to automatically connect on wake
fixed
Various bug fixes and enhancements

SHA-1 Digest: 4b294e6697870759766d066764de851df7832626

Version 1.5.1

added
Allows IPv4 route netmasks to be entered in CIDR notation
added
The connection name is now listed in the title bar for username/password prompts
added
Enable/Disable DNS support option added to the connection editor
improved
Improvements for High DPI displays
improved
Localization updates
updated
OpenSSL updated to version 1.0.1j
fixed
Resolves rare issue where configuration file cannot be accessed
fixed
Resolves issue where configuration files with in-line comments were not imported correctly
fixed
Various bug fixes and enhancements

SHA-1 Digest: b9c5f52b6d6c364a0fa8be343cd87bfbde30b3f1

Version 1.5

improved
Details Window redesigned for Windows Vista and later
improved
Performance improvements
improved
Security improvements
improved
IPv6 support improvements
improved
Updated localizations
updated
OpenSSL updated to version 1.0.1i
fixed
Various bug fixes and enhancements
removed
Version 2.2 of OpenVPN removed

SHA-1 Digest: 0c670fa494207a5a9e38e2f576753c6b01ba908e

Version 1.4.10

updated
OpenSSL updated to version 1.0.1h

SHA-1 Digest: 4a57f85d3496299fe231bdf3cb14a5865140b1bc

Version 1.4.9

added
Single Adapter Mode feature added
updated
OpenVPN updated to version 2.3.4
fixed
Various bug fixes and enhancements

SHA-1 Digest: d13a88cd1ba26b33e6dada90a19fc66e5d659b18

Version 1.4.8

added
Adds option for automatic HTTP Proxy authentication
improved
Localization updates
updated
OpenSSL updated to version 1.0.1g (resolves "Heartbleed" bug)
fixed
Resolves driver signing issue (build 1236)
fixed
Various bug fixes and enhancements

SHA-1 Digest: b44a21195df5afe602d150835c6143f32299593b

Version 1.4.7

added
New toolbar icons
improved
Windows 8.1 support improvements
improved
Improved User Interface for high DPI users
improved
Localization fixes and improvements
improved
Russian Localization updated (thanks to Anton Veretennikov)
fixed
Various bug fixes and enhancements

SHA-1 Digest: bddcbf8e09acb507eb4d9790c00279483e4fb471

Version 1.4.6

added
Support for static challenge/response added
improved
PKCS#11 certificate names are now presented in a clearer format
improved
Localization fixes and improvements
fixed
Corrects an issue saving max-routes values
fixed
Corrects an issue handling incorrect PKCS#11 PINs with saved credentials
fixed
Various bug fixes and enhancements

SHA-1 Digest: 07cb4fb29bb742fcceb802b23ff21402ae90c8d4

Version 1.4.5

added
Simultaneous DNS Support can now be enabled and disabled
added
Right-click menu added to Connections list in the Preferences window
added
Viscosity will detect and workaround OpenVPN DHCP failures
added
Advanced scripting support added
added
Windows Group Policy Support now available
improved
OpenVPN 2.3 is now preferred over 2.2 when set to Automatic
improved
Improved Windows 8 support
improved
Multiple DNS Search Domains are now correctly supported
updated
OpenVPN 2.3 upgraded to version 2.3.2
fixed
Various bug fixes and enhancements

SHA-1 Digest: a153cd744aae00805f0299a444a722fc1329779e

Version 1.4.4

added
Creating and editing connections can now be set to require administrator rights
added
Global preferences for all users can now be set
improved
Improved two-factor authentication support
improved
Improved DPI Scaling support
improved
Connect on start and after resume improved
improved
Reachability checking improved
improved
French localization updates (thanks to David Caradec)
improved
German localization updates (thanks to Dirk Dittert)
updated
OpenVPN 2.3 upgraded to version 2.3.1
fixed
Resolves issue importing a connection with a crl-verify list
fixed
Resolves issue where certain Advanced commands could be saved incorrectly
fixed
Resolves potential crash that could occur with non-standard system fonts present
fixed
Several minor bug fixes and improvements

SHA-1 Digest: cdb11f952928ad2f75f36e65a079dc33f73e1f8b

Version 1.4.2

added
Option added to allow adapter creation behaviour to be changed
improved
Improved support for Windows 8
improved
Reliability of connection importing improved
improved
Reliability of connection bundling improved
updated
OpenVPN 2.3 upgraded to version 2.3rc1
updated
OpenVPN 2.2 will now be used by default when using PKCS11
fixed
Resolves issue parsing raw IPv6 addresses
fixed
Resolves issue where a connection may fail to start with a missing config error
fixed
Several minor bug fixes and enhancements

SHA-1 Digest: b0d7fb1079cb65759bea7ef1f9917607a6b4c3ec

Version 1.4.1

added
Full IPv6 Support
added
Viscosity will automatically switch between OpenVPN 2.2 and 2.3 as needed
added
OpenVPN version to use can be manually selected under Preferences>Advanced
added
Multiple connections can now be selected and reordered
added
Ability to bundle Viscosity with custom menu items
added
Uninstaller will now prompt with an option to retain settings and connections
added
A custom profile folder location can now be set
added
System-wide profile/settings support added
improved
Updating process improved
improved
TAP support improvements
improved
Local security improvements
updated
OpenVPN 2.3a3 added
fixed
Fixed a potential crash when using Systemwide Proxy
fixed
Fixed several issues importing connections
fixed
Various bug fixes and enhancements

SHA-1 Digest: 55b57eb21c3284fc4bb2722977e23acf70720cc5

Version 1.3.7

fixed
Resolves issue where Viscosity may not correctly link files on import
fixed
Resolves issue removing connections with files marked as read only
fixed
The Details Window statistics will now count beyond 2 GB
fixed
Removes the ability to delete connections while adapter is still being created
fixed
Various bug fixes and enhancements

SHA-1 Digest: Not available

Version 1.3.6.2

fixed
Resolves potential crash when a custom Windows DPI value is used

SHA-1 Digest: Not available

Version 1.3.6.1

fixed
Resolves potential startup crash when the default Windows font had been altered by another program
fixed
Resolves potential registration rejection for names with non-ASCII characters

SHA-1 Digest: Not available

Version 1.3.6

improved
Huge performance improvements
improved
Memory usage decreased
improved
General logging improvements
improved
Preferences window will now display in front of other windows when opened
improved
Trying to open Viscosity while it is already running now brings the running copy to the front
improved
Viscosity will no longer check for updates on first run if a bundled copy has disabled auto update
improved
Viscosity's language will now be set based on the Windows display language instead of locale
fixed
Names in menu's now change correctly when their connection is renamed
fixed
Exit codes from OpenVPN are now correctly displayed in the log
fixed
Fixed several issues with Proxy support
fixed
Resolved issue when saving certain long advanced commands
fixed
Resolved issue where the details window graph would sometimes stop displaying
fixed
Resolved issue where double clicking a visz file would sometimes not import it
fixed
Various bug fixes and enhancements

SHA-1 Digest: Not available

Version 1.3.5.1

fixed
Resolves issue where the Tls-Auth setting could be ignored on import
fixed
Resolves a potential Details window graphing issue
fixed
Resolves a potential crash when exiting
fixed
Various bug fixes and enhancements

SHA-1 Digest: Not available

Version 1.3.5

added
Added Display IP Address in menu option
updated
OpenVPN updated to version 2.2.2
fixed
Resolved potential crash when creating new connections
fixed
Resolved issue when creating VPN network adapter under Windows XP
fixed
Various bug fixes and enhancements

SHA-1 Digest: Not available

Version 1.3.4

improved
Interface improvements under Windows XP DPI scaling
improved
Bundling functionality improved
improved
Various small performance enhancements
updated
VPN Network Adapter driver updated
fixed
Resolved a crash when Windows DPI scaling is active
fixed
Fixed a bug when saving connections using a language other than English
fixed
Fixes issue where Start At Login would occasionally become enabled
fixed
Various bug fixes and enhancements

SHA-1 Digest: Not available

Version 1.3.3

improved
Performance and memory usage improvements
improved
Reachability checking functionality improved
improved
German Localization thanks to Frank Enderle
improved
Localizations synced with the Mac version
fixed
Fixed issue where Disconnect scripts may not run when Viscosity is exited
fixed
Start At Login option can now be bundled correctly
fixed
Resolved potential issue where Viscosity could become unresponsive on disconnect
fixed
Fixed a crash that could occur when waking from sleep

SHA-1 Digest: Not available

Version 1.3.2

updated
OpenVPN updated to 2.2.1
fixed
Fixed an issue that prevented the new service running on non-English installs of Windows
fixed
Fixed an issue that could cause PKCS#11 authentication to fail
fixed
Fixed a minor connection naming issue when bundling Viscosity

SHA-1 Digest: Not available

Version 1.3.1

improved
Performance of the background service vastly improved
improved
Memory usage of the background service vastly reduced (by over 90%)
improved
Additional bundle options for system administrators
fixed
Resolved issue where settings may not be correctly processed when bundled into Viscosity
fixed
Resolves issue where drivers may not be correctly updated
fixed
Various bug fixes and enhancements

SHA-1 Digest: Not available

Version 1.3.0

added
An option has been added to the Advanced area to clear saved login credentials
added
When disconnecting, Viscosity will now detect & kill a stuck OpenVPN process
added
Support for "Before Connect" scripting with conditional connecting
added
Support for Global Connected and Disconnected scripts
improved
The Preferences window can now be resized when viewing the Connections area
improved
The time for a connection to be established has been reduced and reliability increased
improved
VBS Scripting support has been improved
improved
Logs will now remain between connection attempts
improved
Viscosity can now be localized
updated
OpenVPN updated to version 2.2.0
updated
Updated TAP drivers and PKCS11 support
fixed
The Connect at Startup option should now always work
fixed
Saved credentials for a connection will now always be removed when the connection is deleted
fixed
TAP connections will now correctly report the Client IP in the Details window
fixed
A Details window graphics glitch resolved for Windows XP users
fixed
Various bug fixes and enhancements

SHA-1 Digest: Not available

Version 1.2.0

added
Initial public release

SHA-1 Digest: Not available