WebOne 0.18.0

New stable release of WebOne, released on 1 Nov 2025 after 10 commits.

• Now using .NET 8.0 Runtime instead of .NET 6.0.
• Windows 8+ (Server 2012+), Ubuntu 20.04+, Debian 10+, Fedora 37+, macOS 12+ are now minimum supported versions to run WebOne. Windows 7 (2008 R2) is no longer supported, however WebOne still may be run on it with some issues.
• Added Ubuntu 25.04, 25.10, Debian 13 support.
• Added HTTPS pass-through mode for particular domains, fixing Nintendo 3DS browser startup (bug #183). Use [ConnectPassThrough] section in configuration file to specify domains where the mode should be used.
• Added ability to decrypt TLS-based protocols like secure-IRC to plain-text versions of them, say, plain-IRC. Use [NonHttpSslDecrypt] section in configuration file to specify domains where the mode should be used. Now you can use old clients like mIRC 6.x to connect to such servers when they're listed in configuration. By default Libera.Chat (which is an secure-IRC-only server) is added to the list.
• (Windows builds) Updated bundled Yt-Dlp version.

WebOne 0.17.6

New stable version of WebOne, released 15.09.2025 after 7 commits.

• Added ability to fix broken redirection pages.
• Added fix for Yahoo Search results redirection.
• Fixed AddHeader Edit Sets rule work when a specified header is already exists.
• Fixed "upgrade your browser" message on Google start page.
• (Windows builds) Updated bundled Yt-Dlp version.

WebOne 0.17.5

New stable version of WebOne, released 25.05.2025 after 25 commits.

• Added support for online installing of MS Internet Explorer components, such as ActiveX controls.
• Added support for online installing of MS Windows Media Player codecs.
• MSIE and WMP component search engine is configuring via new configuration file section [ActiveXGallery]. This is intended to keep this feature work after shutdown of http://activex.microsoft.com/.
• Added support for online updating Windows Media Player 6.x -> 6.4, 7.0 -> 7.1.
• Improvement in Web-FTP client. Now it is displaying icons for known file types. Also improved the look of its interface.
• Internal content server is now supporting subdirectories.
• Fixed redirection of Firefox 1.0, 1.5, 2.0, 3.x default start pages.
• Fixed 'utf-8; charset=UTF-8' is not a supported encoding name error on some pages.
• Fixed IndexOutOfRangeException in some cases (some error pages).
• Fixed crashing on video converting with an unhandled OverflowException.
• Fixed Microsoft MPEG4 codec online installing in Windows Media Player 6.
• Windows builds: updated bundled versions of FFmpeg, Yt-Dlp applications, used by ROVP. The probably most wanted is that VK Video and VK Clips are now working again after website update.
• WebOne is now using HTTPS for all incoming requests using HTTPS protocol, without waiting for 302 redirect from remote server. Probably this may help a bit with false bot detections. This can be disabled by DontPreferHTTPS=true in configuration.

WebOne 0.17.4

New stable version of WebOne, released 30.01.2025 after 20 commits.

• Significantly improved performance of proxy server. The delay between click on links and start of their download has been reduced.
• Added support for Windows Media Player 9 cover art and music metadata download. #150 Thanks to @makuhlmann.
• Added support for Microsoft Deluxe CD Player 98/2000, WMP 7.x CD-Audio metadata lookup, such as artist, title, and track names. #151 Thanks to @makuhlmann.
• Added support for using environment variables in some configuration file options. #156, #160
• Fixed work of Alternate mode and error pages look when running WebOne inside a Docker containers. #160
• Fixed security flaw, allowed run FFmpeg & Yt-Dlp even when they're not strictly enabled in WebOne configuration.
• Fixed WebOne cannot process the request to "/!player" because The given key 'Enable' was not present in the dictionary error in case when configuration contains incomplete [WebVideoOptions] section. And similar errors too.
• Fixed HTTP response headers are already sent error message in log in some cases.
• Fixed incorrect display of content file names in log. #157
• Fixed incorrect dependency list in RPM packages.
• Fixed Problem: nothing provides `openssl-libs >= ` needed by WebOne on openSUSE Linux (x86_64).
• Added fix for Oops: Success strange error on Android 13 and newer (with proot). Not tested, but probably should work.

WebOne 0.17.3

New stable version of WebOne, released 17.10.2024 after 22 commits.

There are many bugs were fixed, and it contains a bit updated Retro Online Video Player.

• Fixed work when the proxy server is behind a SLIRP virtual network (then it have 10.0.2.2 IP address, existing only in virtual network).
• Fixed Unknown LIST result line type error when browsing some FTP servers.
• Fixed certificate problems with newer browsers like Firefox 48+, Chrome 58+. Added "Subject Alternative Name" field to site certificates.
• Fixed "database error", marking all certificates as invalid, when attempting to establish a "true" HTTPS connection via Netscape 3.x/4.x, Opera 3.x/4.x/5.x. To fix the bug, default subject name in CA certificate has been changed. For update previously generated certificate, run WebOne with --rebuild-ca parameter, and then re-import new CA certificate to client browser(s).
• Fixed root certificate installing to Internet Explorer 3/4, Netscape 4, Opera 5, Internet Explorer Macintosh Edition 5.x.
• Fixed root certificate installing on Windows NT 4.0 without SP4+.
• Fixed Internal server error: System.ArgumentException: Specified value has invalid Control characters. (Parameter 'value') on some internal pages.
• Fixed online installing of Internet Explorer 6.0 Public Preview on Windows 2000.
• Fixed interface of Retro Online Video Player when using NetShow Player or Windows Media Player 6.x. The toolbar is now working.
• Fixed inability to view or download videos using ROVP in case of use of DNS host name. [#143]
• Added new nice pages for possible Internet Archive Wayback Machine error messages.
• Added ability to specify SslHashAlgorithm value by hash algorithm's OID too.
• Added ability to choose PEM (Base64) or DER (Binary) format for root certificate file.
• Added assistance with format, codec and resolution selection in Retro Online Video Player.
• Added 16CIF and QVGA resolutions in Retro Online Video Player (mostly for H.263 and MS Video 1 codecs).
• Added FLV video codec in Retro Online Video Player.
• Retro Online Video Player and FTP server browser now have favicons.
• Windows builds: updated bundled FFmpeg and Yt-Dlp versions

WebOne 0.17.2

New stable version of WebOne, released on 14.08.2024 after 14 commits.

• Added feature, allowing rebuilding CA files by using --rebuild-ca command line argument. It's no longer need to remove ssl.crt file to rebuild it after configuration changes.
• Added OpenSSL (LibreSSL) configuration for macOS systems. This will enable support for SSL 3.0, TLS 1.0 clients via WebOne.
• Added correct redirects for in-app links in Microsoft Office XP (Tools on the Web, Templates on Microsoft.com, Smart Tags) and 2003 (Office Online, Office Marketplace). At this moment, all links will always open English version of Office Online, but it's only mostly saved at Web Archive.
• Minor Retro Online Video Player improvements (mostly on its look).
• Improved messages in log in case of problems with CA root certificate file or its private key file.
• Fixed Invalid URI: The Authority/Host could not be parsed error in Alternate mode (#126).
• Fixed 100% CPU usage and frozen converter process in case of incomplete picture convertions. (#135).
• Fixed broken work of picture converters with %DEST% argument (converters which use temporary file). (#136)
• Fixed unneeded WebP to PNG conversion in modern WebKit-based browsers.
• Fixed Cannot made SSL connection: System.ArgumentException: An item with the same key has already been added. error in some cases.
• Updated bundled version of Yt-Dlp utility in Windows archives.

WebOne 0.17.1

New stable version of WebOne, released on 4.07.2024 after 6 commits. Just a minor update.

• Added correct redirect of MDAC 2.5 download page (used by some application installers on Windows 9x).
• Added support for caching stylesheet of internal error/information pages.
• Added partial support of Pocket MSN Messenger (really still doesn't work, but now gets redirected to Escargot too, like desktop version which is working, but have a bit different protocol supported by Escargot; may be the WinMobile MSN support will became in future).
• Fixed Unsuccessful Web Archive request: FORBIDDEN error at some real Archive.org pages.

GitHub source code repository note: the master branch is now containing source code only of the stable version (0.17.1 at this moment). The development process will be doing in the dev branch of the Git, with merges at every release.

WebOne 0.17.0

New stable release of WebOne, released on 22.05.2024 after 12 commits.

• Added support for browsing HTTPS with pre-2004 browsers without certificate warning messages. SSL 3.0 with 40-bit RC4 encryption and MD5 certificates is now fully available for antique browsers. And secure TLS 1.2 256-bit for Firefox 3 is still available.
• MSIE 5.0+, Opera 6.0+ are now fully supported via both HTTP and HTTPS too.
• Added support for setting SSL/TLS versions in SecurityProtocols and SslProtocols options by their real names, splitted with a comma.
• Added support for manually enable particular cipher suites using SslCipherSuites option. Linux & macOS only at this moment.
• Added support for customizing all error pages.
• Added support to set a custom status page.
• Added support to bypass password authorization for clients from LAN. Set OpenForLocalIPs=yes in [Authenticate] options to enable (#122).
• Size of installation packages is a bit optimized.
• Fixed problem with returning unwanted Content-Type: webone/unknown-content-type header in some cases (#119).
• Fixed OpenSSL error - ca md too weak on Linux.
• Updated yt-dlp version in Windows full releases.

WebOne 0.16.3

New stable version of WebOne, released on 26 Feb 2024 after 9 commits.

• Fixed automatic video playback in all Retro Online Video Player modes.
• Fixed inability to install package on latest Ubuntu and Debian releases. (#111)
• Fixed work of Proxy Auto-Configuration script. Now HTTPS and FTP are accessing as need with PAC too.
• Fixed inability to download Root Certificate file when password authorization is enabled.
• Fixed broken connect to other servers/ports on localhost (if any).
• Fixed A error has been catched: System.UriFormatException error in some cases.
• Fixed unwanted extra CPU load when accessing internal content (status page, FTP client, video player) via browser, configured to use proxy.
• Improved version and system info line in proxy's log file.
• Updated bundled versions of Yt-Dlp and ImageMagick (Windows Builds).

WebOne 0.16.2

New stable version of WebOne, released on 22 Dec 2023 after 14 commits.

• Fixed SVG converting for displaying in MSIE 1.0-3.0, Netscape 1.0-4.03.
• Fixed PNG/WebP converting for displaying in Netscape 4.00-4.03.
• Fixed useless request to Archive.org in some cases (mostly after picture format converting).
• Fixed ObjectDisposedException error if UseMsHttpApi option is enabled.
• Fixed work with Arachne GPL web browser (few Guru meditation errors fixed).
• Fixed Cyrillic character set used with Arachne web browser (it prefers CP1251 or KOI-8).
• Fixed crashing web browsers in OS/2 when playing YouTube videos via Macromedia Flash Player. [#103]
• Fixed breaking of converted YouTube video stream when playing with Windows Media Player. [#103]
• Improved speed of work with Mozilla, Opera browsers. HTTP Keep-Alive connections are more stable.
• Security update. It's possible to disallow running ImageMagick with uncontrolled amount of arguments. Use EnableManualConverting option to control. This does not breaking picture converting, but disables http://proxy:port/!convert/ page.
• New architecture supported: linux-armv6 (older Raspberry Pi 1, Zero devices). Experimental.