svrjs-website/source/changelog.md

---
title: SVR.JS change log
excerpt: Learn more about changes introduced in various SVR.JS versions.
date: 2023-12-21 17:10:14
---

## SVR.JS 3.15.7
_Released in August 26, 2024_
*   Fix bug in getting public IP address without crypto support.
*   Fix bug in partial content serving functionality.
*   Fix bug in the factory reset function.
*   Fix bug in the IP address match function.
*   Fix bug in the URL parser with href attribute of a parsed URL missing a port number.
*   Fix bug with config.json read errors being undefined.
*   Fix bugs in the block list.
*   Main process crashes no longer display as worker crashes.
*   Server crashes now results in exit code of 1 if no exit code is not specified.
*   Updated dependencies.

## SVR.JS 3.14.18 LTS
_Released in August 26, 2024_
*   Fix bug in getting public IP address without crypto support.
*   Fix bug in the factory reset function.
*   Fix bug in the IP address match function.
*   Fix bug with config.json read errors being undefined.
*   Fix bugs in the block list.
*   Server crashes now results in exit code of 1 if no exit code is not specified.
*   Updated dependencies.

## SVR.JS 3.15.6
_Released in August 7, 2024_
*   Added new config.json property - optOutOfStatisticsServer.
*   Implemented sending data to the statistics server, so that SVR.JS can measure the popularity of the web server.

## SVR.JS 3.14.17 LTS
_Released in June 13, 2024_
*   Lifted PBKDF2 restrictions on Bun 1.1.13 and later.

## SVR.JS 3.15.5
_Released in June 13, 2024_
*   Lifted PBKDF2 restrictions on Bun 1.1.13 and later.

## SVR.JS 3.15.4
_Released in May 30, 2024_
*   Added cap on minimum number of workers to 12 to reduce idle memory usage.

## SVR.JS 3.15.3
_Released in May 21, 2024_
*   Fixed bug in the URL parser (URLs with "@" got erroneously "sanitized" to "/").

## SVR.JS 3.15.2
_Released in May 20, 2024_
*   Removed the limit of 16 workers.

## SVR.JS 3.15.1
_Released in May 13, 2024_
*   Added Content-Range support for HTML files.
*   MIME type lookups are now performed once, not twice.
*   Optimized static file serving function.

## SVR.JS 3.14.16 LTS
_Released in May 6, 2024_
*   Prevented DoS attacks performed with forward proxy HTTP requests with malformed URLs.

## SVR.JS 3.15.0
_Released in May 6, 2024_
*   Changed URL parser from wrapper over WHATWG URL parser to custom regex-based URL parser.
*   Optimized server code.
*   Redesigned default error pages.
*   Removed blocking file system calls from the directory listing function.
*   Replaced _path.extname()_ function with regex-based function.

## SVR.JS 3.14.15
_Released in April 29, 2024_
*   Fixed crashes related to the request ID generation.
*   Optimized HTTP compression functionality.

## SVR.JS 3.14.14
_Released in April 27, 2024_
*   _console.log_ and _stdout_ are now disabled, when _stdout_ is not a TTY (for example in situation when SVR.JS is running as a daemon), in order to improve performance.
*   Errors that occurred, while adding SNI context to a server are now ignored.

## SVR.JS 3.14.13
_Released in April 24, 2024_
*   Optimized code.
*   SVR.JS now uses _os.availableParallelism()_ function for determining amount of processes to fork, when it is available.

## SVR.JS 3.14.12
_Released in April 13, 2024_
*   Fix ".dirimages" directory returning an 500 error, if it is not present in the web root.

## SVR.JS 3.14.11
_Released in April 7, 2024_
*   Added CVE-2024-27982 Node.JS vulnerability warning.
*   Fixed bug with Brotli compression not working, when SVR.JS is running on Bun.
*   Improved the performance of the server.

## SVR.JS 3.14.10
_Released in April 2, 2024_
*   Disabled trailing slash removal for proxy requests.

## SVR.JS 3.14.9
_Released in April 2, 2024_
*   Changed default file extensions compression exclude list.
*   Lifted _scrypt_ restrictions on Bun.
*   Optimized server script size (268 KiB => 256 KiB).
*   The compression exclude list is now in SVR.JS itself.

## SVR.JS 3.14.8
_Released in March 29, 2024_
*   Fixed bug with _res.writeHead_ method.

## SVR.JS 3.14.7
_Released in March 19, 2024_
*   Fixed bug with request domain names not showing in server logs.

## SVR.JS 3.14.6
_Released in March 17, 2024_
*   Added CVE-2024-22019 Node.JS vulnerability warning.
*   Improved protection against user enumeration in HTTP authentication.
*   Replaced block list message with generic 403 Forbidden error.
*   Replaced some instances of "blacklist" with "block list".
*   Some terminal output is now bold.
*   Updated SVR.JS log viewer (_logviewer.js_) and log highlighter (_loghighlight.js_)
*   When "block localhost" CLI command is executed, SVR.JS now adds "localhost" to the block list instead of "::ffff:localhost".

## SVR.JS 3.14.5
_Released in March 9, 2024_
*   Fixed "www." URL redirect functionality.
*   Improved HTTP/1.x API compatibility with HTTP/2.

## SVR.JS 3.14.4
_Released in March 3, 2024_
*   Updated _tar_ and _graceful-fs_ libraries.
*   Added support for URLs with double slashes.
*   Rewritten HTTP to HTTPS redirect functionality.
*   Changed default directory listing icons.

## SVR.JS 3.14.3
_Released in February 11, 2024_
*   Fixed bug with URLs beginning with multiple slashes being rewritten incorrectly.

## SVR.JS 3.14.2
_Released in February 7, 2024_
*   Added new SVR.JS mod and server-side JavaScript property: _authUser_.

## SVR.JS 3.14.1
_Released in February 2, 2024_
*   Added support for IP-based virtual hosts.
*   Fixed SVR.JS crashes with _X-SVR-JS-From-Main-Thread_ header and unknown client IPs.

## SVR.JS 3.4.42 LTS
_Released in February 2, 2024_
*   Custom head and foot inclusion is now returning 500 error in case of server error instead of crashing the server.

## SVR.JS 3.14.0
_Released in January 24, 2024_
*   Added new _config.json_ properties: _useClientCertificate_, _rejectUnauthorizedClientCertificates_, _cipherSuite_, _ecdhCurve_, _tlsMinVersion_, _tlsMaxVersion_, _signatureAlgorithms_ and _http2Settings_.
*   Added support for web root postfixes (along with postfix prefixes).
*   Custom head and foot inclusion is now returning 500 error in case of server error instead of crashing the server.

## SVR.JS 3.13.1
_Released in January 18, 2024_
*   Fixed error handling for invalid URL rewrite regexes.
*   Fixed bug with non-working HTTP proxy handler (excluding CONNECT method).

## SVR.JS 3.4.41 LTS
_Released in January 14, 2024_
*   Removed all remnants of "DorianTech".
*   Mitigated log file injection vulnerability for HTTP authentication.
*   Mitigated log file injection vulnerability for SVR.JS mod file names.
*   SVR.JS no longer crashes, when access to a log file is denied.

## SVR.JS 3.13.0
_Released in January 14, 2024_
*   Added support for skipping URL rewriting, when the URL refers to a file or a directory.
*   Dropped support for svrmodpack.
*   Added support for 307 and 308 redirects (both in config.json and in redirect() SVR.JS API method).
*   Mitigated log file injection vulnerability for HTTP authentication.
*   Mitigated log file injection vulnerability for SVR.JS mod file names.
*   SVR.JS no longer crashes, when access to a log file is denied.

## SVR.JS 3.12.3
_Released in December 30, 2023_
*   Removed all remnants of "DorianTech".
*   Fixed bug with wildcard in domain name selectors.

## SVR.JS 3.12.2
_Released in December 16, 2023_
*   SVR.JS now refuses to start with misconfigured SNI in order to prevent ReDoS vulnerabilities.
*   Add _Host_ header pre-processing.
*   Changed SNI regular expression generation function.

## SVR.JS 3.4.40 LTS
_Released in December 16, 2023_
*   SVR.JS now refuses to start with misconfigured SNI in order to prevent ReDoS vulnerabilities.

## SVR.JS 3.12.1
_Released in December 12, 2023_
*   Added client errors, server errors, and malformed HTTP request counts to SVR.JS status page.
*   Fixed multiple XSS vulnerabilities.

## SVR.JS 3.4.39 LTS
_Released in December 12, 2023_
*   Invalid compression exclusion list regexes no longer crash SVR.JS.
*   Fixed multiple XSS vulnerabilities.

## SVR.JS 3.12.0
_Released in December 3, 2023_
*   Added trailing slash redirect support.
*   Added new _config.json_ property — _environmentVariables_.
*   Replaces base 1000 size prefixes with base 1024 ones.
*   Invalid compression exclusion list regexes no longer crash SVR.JS.
*   Changed invalid regex error message.
*   Corrected language errors — replaced _recieve_ with _receive_.

## SVR.JS 3.4.38 LTS
_Released in November 12, 2023_
*   SVR.JS now sends configuration file saving request to one random good worker instead of all workers to prevent configuration file corruption.
*   Fixed crashes due to destroyed HTTP/2 stream (Node.JS bug: [https://github.com/nodejs/node/issues/24470](https://github.com/nodejs/node/issues/24470))
*   Fixed crash while trying to report communication problem with workers.

## SVR.JS 3.11.0
_Released in November 12, 2023_
*   SVR.JS now sends configuration file saving request to one random good worker instead of all workers to prevent configuration file corruption.
*   Fixed crashes due to destroyed HTTP/2 stream (Node.JS bug: [https://github.com/nodejs/node/issues/24470](https://github.com/nodejs/node/issues/24470))
*   Fixed language errors in HTTP error code descriptions, error console messages and the index page.
*   Updated the logo in the SVR.JS log viewer.

## SVR.JS 3.4.37 LTS
_Released in September 17, 2023_
*   Fixed bug with non-standard code regex replacements

## SVR.JS 3.10.3
_Released in September 17, 2023_
*   Fixed bug with non-standard code regex replacements

## SVR.JS 3.10.2
_Released in September 12, 2023_
*   Fixed bug with mods (and server-side JavaScript) executing in wrong order (bug was related with access control vulnerability fix; bug was not present in LTS versions)

## SVR.JS 3.4.36 LTS
_Released in September 12, 2023_
*   Removed undocumented and non-working code.
*   Fixed bug: _.notindex_ files in directories now no longer cause server timeouts caused by non-working undocumented code.

## SVR.JS 3.10.1
_Released in September 12, 2023_
*   Dropped _pretty-bytes_ dependency.
*   Removed undocumented and non-working code.
*   Fixed bug: _.notindex_ files in directories now no longer cause server timeouts caused by non-working undocumented code.
*   Replaced function converting byte count to human-readable representation with new one.

## SVR.JS 3.4.35 LTS
_Released in September 11, 2023_
*   Added warning about worker count being limited to one when using Bun 1.0 and newer with shimmed (not native) clustering module.
*   Disabled server-side JavaScript bug workaround for Bun 1.0 and newer (it's not needed anymore for these Bun versions).
*   Improved clustering shim for Bun.

## SVR.JS 3.10.0
_Released in September 11, 2023_
*   Added warning about worker count being limited to one when using Bun 1.0 and newer with shimmed (not native) clustering module.
*   Disabled server-side JavaScript bug workaround for Bun 1.0 and newer (it's not needed anymore for these Bun versions).
*   Improved clustering shim for Bun.
*   Improved web root error handling.

## SVR.JS 3.4.34 LTS
_Released in September 10, 2023_
*   Changed _enableRemoteLogBrowsing_ property to be `false` by default.
*   Mitigated security vulnerability: Sensitive data is no longer leaked from temp directory inside SVR.JS installation directory.

## SVR.JS 3.9.6
_Released in September 10, 2023_
*   Changed _enableRemoteLogBrowsing_ property to be `false` by default.
*   Fixed log files only partially saving on failed master startup.
*   Mitigated security vulnerability: Sensitive data is no longer leaked from temp directory inside SVR.JS installation directory.
*   SVR.JS now logs certificate loading errors.

## <s>SVR.JS 3.4.33 LTS</s>

<s>

*   Changed enableRemoteLogBrowsing property to be false by default.
*   Mitigated security vulnerability: Sensitive data is no longer leaked from temp directory inside SVR.JS installation directory.

</s>

_This version is unpublished and no longer available for download, because of failed security vulnerability mitigation._

## <s>SVR.JS 3.9.5</s>

<s>

*   Changed enableRemoteLogBrowsing property to be false by default.
*   Mitigated security vulnerability: Sensitive data is no longer leaked from temp directory inside SVR.JS installation directory.

</s>

_This version is unpublished and no longer available for download, because of failed security vulnerability mitigation._

## SVR.JS 3.4.32 LTS
_Released in September 8, 2023_
*   Added "svrmodpack" deprecation warning.
*   Removed unmaintained primitive analytics mod.
*   Removed unmaintained and undocumented hexstrbase64 library.
*   Added TypeError workaround for Bun 1.0.0

## SVR.JS 3.9.4
_Released in September 8, 2023_
*   Changed warning about no support for HTTP/2.
*   Added "svrmodpack" deprecation warning.
*   Removed unmaintained primitive analytics mod.
*   Removed unmaintained and undocumented hexstrbase64 library.
*   Added TypeError workaround for Bun 1.0.0

## SVR.JS 3.4.31 LTS
_Released in September 7, 2023_
*   Mitigated security vulnerability: SVR.JS mods and server-side JavaScript not using href or uobject.pathname in some path checks are no longer vulnerable to access control bypass (from SVR.JS configuration).

## SVR.JS 3.9.3
_Released in September 7, 2023_
*   Mitigated security vulnerability: SVR.JS mods and server-side JavaScript not using href or uobject.pathname in some path checks are no longer vulnerable to access control bypass (from SVR.JS configuration).

## SVR.JS 3.4.30 LTS
_Released in September 6, 2023_
*   Mitigated security vulnerability: SVR.JS mods and server-side JavaScript using req.url are no longer vulnerable to path traversal (not including query strings).

## SVR.JS 3.9.2
_Released in September 6, 2023_
*   Mitigated security vulnerability: SVR.JS mods and server-side JavaScript using req.url are no longer vulnerable to path traversal (not including query strings).

## SVR.JS 3.4.29 LTS
_Released in September 5, 2023_
*   Added new config.json property - exposeModsInErrorPages

## SVR.JS 3.9.1
_Released in September 5, 2023_
*   Added new config.json property - exposeModsInErrorPages

## SVR.JS 3.9.0
_Released in September 3, 2023_
*   Dropped support for undocumented unused non-standard SVR.JS-specific headers.
*   Fixed bug with _wwwredirect_.
*   Replaced HTTP => HTTPS redirect handler
*   Added support for listening to specific IP address.
*   Added new config.json property - useWebRootServerSideScript
*   Added notice about logged user (HTTP authentication).
*   Added validation of X-Forwarded-For header

## SVR.JS 3.4.28 LTS
_Released in September 3, 2023_
*   Added validation for X-Forwarded-For header.

## SVR.JS 3.4.27 LTS
_Released in September 2, 2023_
*   Dropped support for undocumented unused non-standard SVR.JS-specific headers.
*   Fixed bug with _wwwredirect_.

## SVR.JS 3.4.26 LTS
_Released in September 2, 2023_
*   Changed default SVR.JS configuration.
*   Disabled server-side script exposure by default.

## SVR.JS 3.8.1
_Released in September 2, 2023_
*   Changed default SVR.JS configuration.
*   Disabled server-side script exposure by default.

## SVR.JS 3.8.0
_Released in September 1, 2023_
*   Added partial virtual hosting support
*   Added _host_ field to _nonStandardCodes_ and _rewriteMap_ properties.
*   Added _userList_ field to _nonStandardCodes_ properties (with _scode_ set to 401).
*   Added new config.json properties: _errorPages_, _enableDirectoryListingVHost_ and _customHeadersVHost_.
*   Improved HTTP authentication error handling.

## SVR.JS 3.4.25 LTS
_Released in August 31, 2023_
*   Improved HTTP authentication error handling.
*   Updated SVR.JS license.

## SVR.JS 3.7.5
_Released in August 29, 2023_
*   Fixed non-working blacklist.
*   Updated SVR.JS license.

## SVR.JS 3.4.24 LTS
_Released in August 28, 2023_
*   Added reverse DNS lookup support.

## SVR.JS 3.7.4
_Released in August 28, 2023_
*   Added reverse DNS lookup support.

## SVR.JS 3.4.23 LTS
_Released in August 25, 2023_
*   Fixed server crashes while one of two ports are in use

## SVR.JS 3.7.3
_Released in August 25, 2023_
*   Fixed server crashes while one of two ports are in use

## SVR.JS 3.4.22 LTS
_Released in August 21, 2023_
*   ENAMETOOLONG errors now correspond to 414 code.
*   EMFILE errors now correspond to 503 code.

## SVR.JS 3.7.2
_Released in August 21, 2023_
*   ENAMETOOLONG errors now correspond to 414 code.

## SVR.JS 3.7.1
_Released in August 21, 2023_
*   Fixed bug with SVR.JS hang-up check requests logged in server logs (bug occurred on upstream Node.JS v12.22.12).

## SVR.JS 3.4.21 LTS
_Released in August 20, 2023_
*   Changed descriptions of 501 and 503 errors.
*   Disabled open proxy in default server-side JavaScript.
*   Fixed NotImplementedError in "cluster" module when running SVR.JS on newer versions of Bun.
*   Fixed redirect loops related to URL sanitizer.
*   Fixed SVR.JS proxy API (fixed bug, which relied of calling wrong callback [Mod.callback] instead of proper one [Mod.proxyCallback]).
*   Improved Bun IPC shim connection error handling.
*   Improved server error handling for Bun.
*   Updated svrpasswd tool.

## SVR.JS 3.7.0
_Released in August 20, 2023_
*   Added new config.json property - disableUnusedWorkerTermination.
*   Added option to rewrite "dirty" URLs - rewriteDirtyURLs.
*   Added PBKDF2 and scrypt support for HTTP authentication.
*   Added termination of unused workers.
*   Changed descriptions of 501 and 503 errors.
*   Disabled checking for hung up server processes, while SVR.JS is not yet listening.
*   Disabled open proxy in default server-side JavaScript.
*   Disabled X-SVR-JS-From-Main-Thread header for non-localhost clients.
*   EMFILE errors now correspond to 503 Service Unavailable error code.
*   Fixed NotImplementedError in "cluster" module when running SVR.JS on newer versions of Bun.
*   Fixed redirect loops related to URL sanitizer.
*   Fixed SVR.JS proxy API. (fixed bug, which relied of calling wrong callback [Mod.callback] instead of proper one [Mod.proxyCallback])
*   Improved Bun IPC shim connection error handling.
*   Improved extension checking function in directory listing generation.
*   Improved server error handling for Bun.
*   SVR.JS now exits gracefully on "stop" command.
*   Updated svrpasswd tool.

## SVR.JS 3.4.20 LTS
_Released in August 4, 2023_
*   Improved reliability while loading server-side JavaScript.

## SVR.JS 3.6.4
_Released in August 4, 2023_
*   Improved reliability while loading server-side JavaScript.

## SVR.JS 3.4.19 LTS
_Released in August 3, 2023_
*   Fixed bug with directory listing generating invalid HTML with custom head containing _<html>_ tag with attributes.

## SVR.JS 3.6.3
_Released in August 3, 2023_
*   Fixed bug with directory listing generating invalid HTML with custom head containing _<html>_ tag with attributes.

## SVR.JS 3.4.18 LTS
_Released in August 2, 2023_
*   Fixed bug with ENOTDIR error (was 500, now it's 404).
*   Fixed bug with forbidden path checker.

## SVR.JS 3.6.2
_Released in August 2, 2023_
*   Fixed bug with ENOTDIR error (was 500, now it's 404).
*   Fixed bug with forbidden path checker.
*   Optimized regular expression creating function.

## SVR.JS 3.4.17 LTS
_Released in July 28, 2023_
*   Improved URL sanitizer.
*   Fixed bug with formidable wrapper.

## SVR.JS 3.6.1
_Released in July 28, 2023_
*   Added support for ETags.
*   Added new config.json property: enableETag.
*   Improved URL sanitizer.
*   Fixed bug with formidable wrapper.

## SVR.JS 3.6.0
_Released in July 28, 2023_
*   Optimized sanitized URL comparison function.
*   Expanded warning messages.
*   Added support for Unix sockets and Windows named pipes.
*   Cleaned up SVR.JS code.

## SVR.JS 3.4.16 LTS
_Released in July 26, 2023_
*   Improved URL sanitizer and mitigates security vulnerability: attacker could use "..." to traverse directories, while SVR.JS is run in Windows.
*   Cleaned up code.

## SVR.JS 3.5.6
_Released in July 26, 2023_
*   Improved URL sanitizer and mitigates security vulnerability: attacker could use "..." to traverse directories, while SVR.JS is run in Windows.
*   Cleaned up code.

## SVR.JS 3.4.15 LTS
_Released in July 18, 2023_
*   Fixed broken URL sanitation redirect.
*   Improved URL sanitizer. ("%2F" now turns into "/" instead of "%252F")

## SVR.JS 3.5.5
_Released in July 18, 2023_
*   Fixed broken URL sanitation redirect.
*   Improved URL sanitizer. ("%2F" now turns into "/" instead of "%252F")

## SVR.JS 3.4.14 LTS
_Released in July 18, 2023_
*   Fixed bug: SVR.JS mods now load reliably with multiple threads on startup.

## SVR.JS 3.5.4
_Released in July 18, 2023_
*   Fixed bug: SVR.JS mods now load reliably with multiple threads on startup.

## SVR.JS 3.4.13 LTS
_Released in July 17, 2023_
*   Improved compatibility with Bun 0.9.14.
*   Replaced more blocking system calls with non-blocking ones.

## SVR.JS 3.5.3
_Released in July 17, 2023_
*   Improved compatibility with Bun 0.9.14.

## SVR.JS 3.5.2
_Released in July 17, 2023_
*   Replaced more blocking system calls with non-blocking ones.

## SVR.JS 3.5.1
_Released in July 16, 2023_
*   Added better HTTP error handler.

## SVR.JS 3.4.12 LTS
_Released in July 16, 2023_
*   Added better HTTP error handler.

## SVR.JS 3.5.0
_Released in July 16, 2023_
*   Dropped support for Node.JS 8.x and 9.x.
*   Directory listing icons now show even, if ".dirimages" directory is missing from web root.
*   Updated formidable module.

## SVR.JS 3.4.11 LTS
_Released in July 16, 2023_
*   Added support for Brotli compression.

## SVR.JS 3.4.10
_Released in July 15, 2023_
*   Added OCSP module loading failure warning.
*   SVR.JS now displays error message, when it's run on JS runtime non-compatible with Node.JS.

## SVR.JS 3.4.9
_Released in July 14, 2023_
*   Added new config.json option: enableOCSPStapling.
*   Added support for OCSP stapling.
*   Added new dependency: ocsp
*   Replaced some blocking system calls in directory listing function with non-blocking ones.
*   Optimized HTTP basic authentication algorithm.

## SVR.JS 3.4.8
_Released in July 13, 2023_
*   Added HTTP authentication brute force protection.

## SVR.JS 3.4.7
_Released in July 11, 2023_
*   Fixed SVR.JS crashing on Node.JS 8.x and 9.x.

## SVR.JS 3.4.6
_Released in July 10, 2023_
*   Improved reliability in loading mods, server-side JavaScript and saving configuration file.

## SVR.JS 3.4.5
_Released in July 9, 2023_
*   Fixed bug with custom head and SVR.JS status page.

## SVR.JS 3.4.4
_Released in July 7, 2023_
*   req.socket.realRemoteAddress and res.socket.realRemotePort are now original users remote address and port respectively.

## SVR.JS 3.4.3
_Released in July 7, 2023_
*   Fixed bug related with saving config.json.
*   Disabled gzip compression for .gz files.

## SVR.JS 3.4.2
_Released in July 7, 2023_
*   Fixed bug with regular expression non-standard HTTP status codes.

## SVR.JS 3.4.1
_Released in July 5, 2023_
*   SVR.JS now uses 2 public IP providers: SeeIP.org and ipify.

## SVR.JS 3.4.0
_Released in July 4, 2023_
*   autocannon is no longer included with SVR.JS.
*   Fixed requirement on pretty-bytes library.
*   Removed version field from config.json
*   Fixed random worker crashes that occur, while config.json is saved.
*   SVR.JS no longer overrides config.json values, that are set after SVR.JS has been started.
*   SVR.JS no longer displays native Node.JS error message, while SVR.JS is run on read-only file system.

## SVR.JS 3.3.3
_Released in July 3, 2023_
*   Improved reliability of loading mods and server-side JavaScript.

## SVR.JS 3.3.2
_Released in July 2, 2023_
*   Calling callServerError or res.writeHead mutltiple times now invokes a warning instead of crashing SVR.JS.

## SVR.JS 3.3.1
_Released in July 1, 2023_
*   Fixed bug: Logs didn't save during crash report generation.
*   Fixed bug: Worker crashes didn't display message about starting new workers.
*   Fixed bug with SVR.JS status page.
*   Added image icons for .ico and .icn files in directory listings.
*   Added OpenSSL 1.x EOL warning message.
*   SVR.JS now uses WHATWG URL parser instead of deprecated url.parse() function.

## SVR.JS 3.3.0
_Released in June 29, 2023_
*   SVR.JS now forks itself at startup as many times the CPU host has cores (max 16 cores).
*   Fixed bug and potential security vulnerability: Non-standard codes didn't work, and thus attackers could bypass HTTP authentication.

## SVR.JS 3.2.1
_Released in June 28, 2023_
*   Optimized SVR.JS blacklist and path sanitation code.
*   Mitigated security vulnerability: Attacker could access directory listing of directory above web root using "/.." path.

## SVR.JS 3.2.0
_Released in June 28, 2023_
*   Optimized SVR.JS code.
*   Logs from single-threaded SVR.JS now begin with "singlethread".
*   Cyclic links now causes server to return 508 error instead of 404 error.

## SVR.JS 3.1.2
_Released in June 27, 2023_
*   Improved forbidden paths access control.

## SVR.JS 3.1.1
_Released in June 26, 2023_
*   SVR.JS is now able to run on Node.JS versions without crypto.
*   Changed IP provider to SeeIP (used, when crypto support is available).
*   Added new server status metrics: CPU usage percentage, Average request rate.
*   Added new command: restart.

## SVR.JS 3.1.0
_Released in June 26, 2023_
*   SVR.JS is now able to run on Node.JS versions without crypto.
*   Added HTTP/2 no-support indication for Bun.
*   Added more indication of request methods.
*   Cleaned up SVR.JS code.
*   Updated supplied tar and minipass modules.

## SVR.JS 3.0.3
_Released in June 26, 2023_
*   Changed public IP provider to ipify.

## SVR.JS 3.0.2
_Released in June 25, 2023_
*   Fixed server-side JavaScript handling.

## SVR.JS 3.0.1
_Released in June 25, 2023_
*   Improved error stack generation.
*   SVR.JS now serves files from directory on which script resides, unless wwwroot is specified.

## SVR.JS 3.0.0
_Released in June 25, 2023_
*   502 errors now logs their stacks.
*   Added better exception handler.
*   Added callServerError function for use in server-side JavaScript and mods.
*   Added cluster+ipc shim used when SVR.JS is running on Bun (SVR.JS can now run multi-threaded on Bun).
*   Added command-line parameter: -v/--version.
*   Added Content-Range support for static files.
*   Added custom Expect header handler.
*   Added custom request parse error handler.
*   Added date and time to logs.
*   Added --disable-mods option. (disables all mods and server side JavaScript)
*   Added displaying of contact information on 500 error.
*   Added experimental support for Bun (no SVR.JS command line for now...).
*   Added HTTP status code message to logs.
*   Added new command-line option: --single-threaded
*   Added new config.json properties: sni, serverAdministratorEmail, stackHidden, enableRemoteLogBrowsing, dontCompress, enableIPSpoofing, allowStatus, disableServerSideScriptExpose, exposeServerVersion, rewriteMap, secure, wwwroot, disableNonEncryptedServer and disableToHTTPSRedirect.
*   Added new depedency - formidable.
*   Added new method callable from mods: getCustomHeaders (gets headers from config.json file along with "Server" header).
*   Added new mod methods - getCustomHeaders, origHref, parsePostData and redirect.
*   Added new server-side JavaScript fields - customvar1, customvar2, customvar3, customvar4.
*   Added new utility: log highlighter at loghighlighter.js
*   Added new utility: log viewer at logviewer.js
*   Added new utility: SVR.JS user utility at svrpasswd.js
*   Added option to disable HTTP => HTTPS redirect server.
*   Added option to listen only for HTTPS.
*   Added {path} directive in custom error pages and headers.
*   Added RegEx support for non-standard error codes.
*   Added request ID to logs.
*   Added server error descriptions.
*   Added SNI support.
*   Added status page at /svrjsstatus.svr.
*   Added support for CIDR notation in non-standard codes.
*   Added support for CONNECT method (along with mod callbacks).
*   Added support for HTTP authentication.
*   Added support for RegEx for nonStandardCodes property.
*   Added support for X-Forwarded-For header.
*   Added URL rewriting.
*   Added warning, when SVR.JS is run as root.
*   Addedd error message in case SVR.JS is attempted to be started without Node.JS.
*   Allowed Node.JS versions without HTTP/2 support. (although HTTP/2 will not work)
*   Allowed starting without Internet connection.
*   Attackers can no longer bypass content blocking mechanism (non-standard codes set in config.json), when SVR.JS is run in Windows.
*   Attackers can no longer bypass content blocking mechanism, when SVR.JS is run in Windows.
*   Bare minimum now requires only "svr.js" script and node_modules directory.
*   Broken server availability addresses are now invisible in the console.
*   Change of working directory is now possible.
*   Changed demo server-side JavaScript to use new callServerError function.
*   Changed file type icons.
*   Changed HTTP error descriptions.
*   Changed log format.
*   Changed logo to new one.
*   Changed SVR.JS log descriptions.
*   config.json options which are not used by SVR.JS are now kept.
*   Configuration file now has diffrent placeholder content.
*   Connection messages when using SVR.JS as proxy aren't longer broken.
*   Connection with null req.socket are now dropped.
*   Corrected handling of multi-line log messages.
*   Custom headers are no longer set by default on proxy requests.
*   DEBUG: /crash.svr crashes the server (only in Nightly).
*   Default content type can be no longer set.
*   Deprecated config.json property: defaultpage.
*   Directory listing custom foots now are displayed even if foot.html file doesn't exist.
*   Directory listing custom heads now are displayed even if head.html file doesn't exist.
*   Directory listing no longer breaks with "<" and ">" characters (XSS mitigated).
*   Directory listing now shows original URL, when URL is rewritten.
*   Directory listing now shows whatever the file is block device, chacter device, FIFO or socket.
*   Directory traversal through symbolic links is no longer possible (new URL sanitation function).
*   Disabled HTTP compression for w3m and Netscape 4.x.
*   Error pages can use new format: .<error_code> instead of <error_code>.html.
*   Error stack can be now hidden using stackHidden property.
*   Factory reset no longer replaces config.json with placeholder one.
*   Files without extension are no longer presented as HTML content.
*   Fixed bug: Blacklist didn't save into config.json file.
*   Fixed bug: Downloading files above 2GB now works properly.
*   Fixed bug: Next thread no longer starts after closing ports.
*   Fixed bug related to broken access controls in SVR.JS when it's run in Windows.
*   Fixed bug with server version exposure.
*   Fixed crash on malformed public IP check response.
*   Fixed crashes with TCP resets, when using default handler for CONNECT method.
*   Fixed default config.json file.
*   Fixed directory listing, when URL contains "@" or "?"
*   Fixed filterHeaders method.
*   Fixed handling of some proxy requests by default redirect server.
*   Fixed HEAD method handling.
*   Fixed HTTP compression.
*   Fixed master process crash, when unable to fork process.
*   Fixed process crash, when unable to save to a log file.
*   Fixed proxy mod loader.
*   Fixed public IP address identification on server console.
*   Fixed security vulnerability: Attacker could append "%00" to URL to bypass access restrictions when SVR.JS is running on Bun.
*   Fixed security vulnerability: Attacker could send specially constructed HTTP request to bypass content block mechanism.
*   Fixed security vulnerability: Attacker could used encoded characters to bypass access restrictions.
*   Fixed server endlessly spawning threads in Node.JS 20.x.
*   Fixed SVR.JS not able to start in Android (d/node.js).
*   Fixed SVR.JS not able to start in Node.JS 16.x in Haiku OS.
*   Fixed URL mojibake.
*   Fixed website block, when SVR.JS is running on Bun
*   Fixed XSS bug in host name indication in default error pages.
*   HTTP => HTTPS redirect server now returns 400 error when no host is specified.
*   HTTP requests made to HTTPS server now return 497 error page.
*   HTTP requests using CONNECT method now return 501 error, if SVR.JS is run on Bun.
*   Icons on directory listings are no longer stretched, when padding is applies to the table.
*   Improved bad request handler.
*   Improved compatibility with Bun.
*   Improved compatibility with Node.JS 20.x.
*   Improved default error pages and directory listings for mobile devices.
*   Improved directory listings.
*   Improved file handling by URL.
*   Improved handling of 405 error.
*   Improved handling of OPTIONS method.
*   Improved HTTP => HTTPS redirect handler.
*   Improved HTTP/2 => HTTP/1.x translation API.
*   Improved possible server access URLs.
*   IPv6 URLs are now shown properly.
*   Links now show sizes of referenced file in directory listing.
*   Logs are no longer remotely accessible, when enableRemoteLogBrowsing is set to false.
*   Made HTTP => HTTPS redirect server more compatible with Node.JS 20.x.
*   Main script moved to "svr.js" file.
*   Many request problem will now result in 500 error instead of crash.
*   Mitigated path traversal at bad URL rewriting.
*   Mod loader no longer uses eval.
*   Node.JS version is now exposed in Server header (unless exposeServerVersion is false).
*   Non-standard codes no longer works on proxy requests.
*   Patched supplied fs-minipass module to work with Bun.
*   Removed strict depedencies for: tar, svrmodpack, hexstrbase64 and formidable.
*   Removed "Welcome to DorianTech Node.JS Server!" and "Goodbye." log, rendering welcomeMessage property useless.
*   Replaced 403 error page specific to disabled directory listing with generic one.
*   Replaced "domian" property with "domain" in config.json.
*   Replaced URL sanitation algorithm with faster one.
*   Server is now more protected against directory traversal attack.
*   Server no longer crashes on some malformed URIs.
*   Server now returns 403 error, when server software itself doesn't have permissions to access files.
*   Size function now requires pretty-bytes library.
*   Size function now uses custom fallback.
*   Stack traces from 500 errors are now displayed in logs.
*   SVR.JS doesn't use template config.json anymore, if config.json doesn't exist
*   SVR.JS no longer crashes on mod loading problem.
*   SVR.JS no longer crashes when displaying listing of directory containing invalid files.
*   SVR.JS no longer drops connections having null response socket.
*   SVR.JS now keeps unused properties of config.json file.
*   SVR.JS used as HTTPS server works even without key and cert fields in config.json.
*   SVR.JS version is no longer leaked via svr.js file, when exposeServerVersion property is set to false.
*   Updated supplied mime-types and mime-db modules.
*   Using SVR.JS as an proxy without proxy mod now returns no-proxy message.

## SVR.JS 2.1.4
_Released in June 18, 2023_
*   Fixed security vulnerability: Attacker could used encoded characters to bypass access restrictions. (fix backported from SVR.JS 3.0.0-beta19)
*   Fixed access control bypass vulnerability, when server is run in Windows (fix backported from SVR.JS 3.0.0-beta19)

## SVR.JS 2.1.3
_Released in May 13, 2023_
*   Added new config.json properties: exposeServerVersion and stackHidden (backported from SVR.JS 3.0.0-beta1)
*   Fixed path traversal vulnerability (fix backported from SVR.JS 3.0.0-beta1)
*   Fixed access control bypass vulnerability, when server is run in Windows (fix backported from SVR.JS 3.0.0-beta1)
*   Fixed server crash on malformed URL (fix backported from SVR.JS 3.0.0-beta1)

## SVR.JS 2.1.2
_Released in August 23, 2020_
*   Methods other than "POST", "GET", "OPTIONS" and "HEAD" are allowed.

## SVR.JS 2.1.1
_Released in August 23, 2020_
*   Fixed security vulnerability using directory listing to access secret files.

## SVR.JS 2.1.0
_Released in August 22, 2020_
*   Added new property of config.json "enableDirectoryListingWithDefaultHead".
*   Added personalization of directory listing.
*   Added compability with Node.JS v8.10.0
*   Replaced MIME type table with one from mime-types module.
*   Fixed bug: Directory listing shows wrong icons.
*   Changed icons in directory listing.
*   Changed size display in directory listing.
*   Deleted analytics inside SVR.JS - those analytics are now in seperate mod, of which SVR.JS comes with it.

## SVR.JS 2.0.0
_Released in August 21, 2020_
*   Added support for .tar.gz mods and server side Javascript in .JS file.
*   Moved directory listing icons to seperate directory.
*   Replaced ASCII Art.
*   Added support for HTTP/2.0, disabled by default.
*   Changed default footer.
*   Added unpacking SVR.JS in first run.
*   Added checking, if head and foot exists.
*   Optimized directory listing for Lynx text client
*   Modified Server UI.
*   Added new properties of config.json "enableLogging" and "enableDirectoryListing".
*   Added "--clean" and "--reset" arguments.
*   Fixed security vulnerability: The block is only covering part of SVR.JS
*   Fixed bug: Not saving config.json on Linux.
*   Added multi-threading.
*   Deleted "getip" command.

## SVR.JS 1.2.2
_Released in August 16, 2020_
*   Fixed bug, which caused mojibake in Unicode files.
*   Fixed bug, which caused SVR.JS to require SSL certificate, even if HTTPS mode is disabled.
*   Fixed bug, which caused SVR.JS to crash, if no mods are loaded.
*   Fixed bug, which caused SVR.JS to display blank directory, if URL is with query.

## SVR.JS 1.2.1
_Released in August 14, 2020_
*   Fixed bug, which caused SVR.JS in Ubuntu to not work
*   Added platform showing

## SVR.JS 1.2.0
_Released in August 5, 2020_
*   First released version of SVR.JS