1.13.3 / 2022-02-21

1.13.3 / 2022-02-21

Fixed

• [CRuby] Revert a HTML4 parser bug in libxml 2.9.13 (introduced in Nokogiri v1.13.2). The bug causes libxml2's HTML4 parser to fail to recover when encountering a bare < character in some contexts. This version of Nokogiri restores the earlier behavior, which is to recover from the parse error and treat the < as normal character data (which will be serialized as < in a text node). The bug (and the fix) is only relevant when the RECOVER parse option is set, as it is by default. [#2461]

---

SHA256 checksums:

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1.13.2 / 2022-02-21

1.13.2 / 2022-02-21

Security

• [CRuby] Vendored libxml2 is updated from 2.9.12 to 2.9.13. This update addresses CVE-2022-23308.
• [CRuby] Vendored libxslt is updated from 1.1.34 to 1.1.35. This update addresses CVE-2021-30560.

Please see GHSA-fq42-c5rg-92c2 for more information about these CVEs.

Dependencies

• [CRuby] Vendored libxml2 is updated from 2.9.12 to 2.9.13. Full changelog is available at https://download.gnome.org/sources/libxml2/2.9/libxml2-2.9.13.news
• [CRuby] Vendored libxslt is updated from 1.1.34 to 1.1.35. Full changelog is available at https://download.gnome.org/sources/libxslt/1.1/libxslt-1.1.35.news

---

SHA256 checksums:

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1.13.1 / 2022-01-13

1.13.1 / 2022-01-13

Fixed

• Fix Nokogiri::XSLT.quote_params regression in v1.13.0 that raised an exception when non-string stylesheet parameters were passed. Non-string parameters (e.g., integers and symbols) are now explicitly supported and both keys and values will be stringified with #to_s. [#2418]
• Fix HTML5 CSS selector query regression in v1.13.0 that raised an Nokogiri::XML::XPath::SyntaxError when parsing XPath attributes mixed into the CSS query. Although this mash-up of XPath and CSS syntax previously worked unintentionally, it is now an officially supported feature and is documented as such. [#2419]

---

SHA265 checksums

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1.13.0 / 2022-01-06

1.13.0 / 2022-01-06

Notes

Ruby

This release introduces native gem support for Ruby 3.1. Please note that Windows users should use the x64-mingw-ucrt platform gem for Ruby 3.1, and x64-mingw32 for Ruby 2.6–3.0 (see RubyInstaller 3.1.0 release notes).

This release ends support for:

• Ruby 2.5, for which official support ended 2021-03-31.
• JRuby 9.2, which is a Ruby 2.5-compatible release.

Faster, more reliable installation: Native Gem for ARM64 Linux

This version of Nokogiri ships experimental native gem support for the aarch64-linux platform, which should support AWS Graviton and other ARM Linux platforms. We don't yet have CI running for this platform, and so we're interested in hearing back from y'all whether this is working, and what problems you're seeing. Please send us feedback here: Feedback: Have you used the aarch64-linux native gem?

Publishing

This version of Nokogiri opts-in to the "MFA required to publish" setting on Rubygems.org. This and all future Nokogiri gem files must be published to Rubygems by an account with multi-factor authentication enabled. This should provide some additional protection against supply-chain attacks.

A related discussion about Trust exists at #2357 in which I invite you to participate if you have feelings or opinions on this topic.

Dependencies

• [CRuby] Vendored libiconv is updated from 1.15 to 1.16. (Note that libiconv is only redistributed in the native windows and native darwin gems, see LICENSE-DEPENDENCIES.md for more information.) [#2206]
• [CRuby] Upgrade mini_portile2 dependency from ~> 2.6.1 to ~> 2.7.0. ("ruby" platform gem only.)

Improved

• {XML,HTML4}::DocumentFragment constructors all now take an optional parse options parameter or block (similar to Document constructors). [#1692] (Thanks, @JackMc!)
• Nokogiri::CSS.xpath_for allows an XPathVisitor to be injected, for finer-grained control over how CSS queries are translated into XPath.
• [CRuby] XML::Reader#encoding will return the encoding detected by the parser when it's not passed to the constructor. [#980]
• [CRuby] Handle abruptly-closed HTML comments as recommended by WHATWG. (Thanks to tehryanx for reporting!)
• [CRuby] Node#line is no longer capped at 65535. libxml v2.9.0 and later support a new parse option, exposed as Nokogiri::XML::ParseOptions::PARSE_BIG_LINES, which is turned on by default in ParseOptions::DEFAULT_{XML,XSLT,HTML,SCHEMA} (Note that JRuby already supported large line numbers.) [#1764, #1493, #1617, #1505, #1003, #533]
• [CRuby] If a cycle is introduced when reparenting a node (i.e., the node becomes its own ancestor), a RuntimeError is raised. libxml2 does no checking for this, which means cycles would otherwise result in infinite loops on subsequent operations. (Note that JRuby already did this.) [#1912]
• [CRuby] Source builds will download zlib and libiconv via HTTPS. ("ruby" platform gem only.) [#2391] (Thanks, @jmartin-r7!)
• [JRuby] Node#line behavior has been modified to return the line number of the node in the final DOM structure. This behavior is different from CRuby, which returns the node's position in the input string. Ideally the two implementations would be the same, but at least is now officially documented and tested. The real-world impact of this change is that the value returned in JRuby is greater by 1 to account for the XML prolog in the output. [#2380] (Thanks, @dabdine!)

Fixed

• CSS queries on HTML5 documents now correctly match foreign elements (SVG, MathML) when namespaces are not specified in the query. [#2376]
• XML::Builder blocks restore context properly when exceptions are raised. [#2372] (Thanks, @ric2b and @rinthedev!)
• The Nokogiri::CSS::Parser cache now uses the XPathVisitor configuration as part of the cache key, preventing incorrect cache results from being returned when multiple XPathVisitor options are being used.
• Error recovery from in-context parsing (e.g., Node#parse) now always uses the correct DocumentFragment class. Previously Nokogiri::HTML4::DocumentFragment was always used, even for XML documents. [#1158]
• DocumentFragment#> now works properly, matching a CSS selector against only the fragment roots. [#1857]
• XML::DocumentFragment#errors now correctly contains any parsing errors encountered. Previously this was always empty. (Note that HTML::DocumentFragment#errors already did this.)
• [CRuby] Fix memory leak in Document#canonicalize when inclusive namespaces are passed in. [#2345]
• [CRuby] Fix memory leak in Document#canonicalize when an argument type error is raised. [#2345]
• [CRuby] Fix memory leak in EncodingHandler where iconv handlers were not being cleaned up. [#2345]
• [CRuby] Fix memory leak in XPath custom handlers where string arguments were not being cleaned up. [#2345]
• [CRuby] Fix memory leak in Reader#base_uri where the string returned by libxml2 was not freed. [#2347]
• [JRuby] Deleting a Namespace from a NodeSet no longer modifies the href to be the default namespace URL.
• [JRuby] Fix XHTML formatting of closing tags for non-container elements. [#2355]

Deprecated

• Passing a Nokogiri::XML::Node as the second parameter to Node.new is deprecated and will generate a warning. This parameter should be a kind of Nokogiri::XML::Document. This will become an error in a future version of Nokogiri. [#975]
• Nokogiri::CSS::Parser, Nokogiri::CSS::Tokenizer, and Nokogiri::CSS::Node are now internal-only APIs that are no longer documented, and should not be considered stable. With the introduction of XPathVisitor injection into Nokogiri::CSS.xpath_for there should be no reason to rely on these internal APIs.
• CSS-to-XPath utility classes Nokogiri::CSS::XPathVisitorAlwaysUseBuiltins and XPathVisitorOptimallyUseBuiltins are deprecated. Prefer Nokogiri::CSS::XPathVisitor with appropriate constructor arguments. These classes will be removed in a future version of Nokogiri.

---

SHA256 checksums:

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1.12.5 / 2021-09-27

1.12.5 / 2021-09-27

Security

[JRuby] Address CVE-2021-41098 (GHSA-2rr5-8q37-2w7h).

In Nokogiri v1.12.4 and earlier, on JRuby only, the SAX parsers resolve external entities (XXE) by default. This fix turns off entity-resolution-by-default in the JRuby SAX parsers to match the CRuby SAX parsers' behavior.

CRuby users are not affected by this CVE.

Fixed

• [CRuby] Document#to_xhtml properly serializes self-closing tags in libxml > 2.9.10. A behavior change introduced in libxml 2.9.11 resulted in emitting start and and tags (e.g., <br></br>) instead of a self-closing tag (e.g., <br/>) in previous Nokogiri versions. [#2324]

---

SHA256 checksums:

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1.12.4 / 2021-08-29

1.12.4 / 2021-08-29

Notable fix: Namespace inheritance

Namespace behavior when reparenting nodes has historically been poorly specified and the behavior diverged between CRuby and JRuby. As a result, making this behavior consistent in v1.12.0 introduced a breaking change.

This patch release reverts the Builder behavior present in v1.12.0..v1.12.3 but keeps the Document behavior. This release also introduces a Document attribute to allow affected users to easily change this behavior for their legacy code without invasive changes.

Compensating Feature in XML::Document

This release of Nokogiri introduces a new Document boolean attribute, namespace_inheritance, which controls whether children should inherit a namespace when they are reparented. Nokogiri::XML:Document defaults this attribute to false meaning "do not inherit," thereby making explicit the behavior change introduced in v1.12.0.

CRuby users who desire the pre-v1.12.0 behavior may set document.namespace_inheritance = true before reparenting nodes.

See https://nokogiri.org/rdoc/Nokogiri/XML/Document.html#namespace_inheritance-instance_method for example usage.

Fix for XML::Builder

However, recognizing that we want Builder-created children to inherit namespaces, Builder now will set namespace_inheritance=true on the underlying document for both JRuby and CRuby. This means that, on CRuby, the pre-v1.12.0 behavior is restored.

Users who want to turn this behavior off may pass a keyword argument to the Builder constructor like so:

Nokogiri::XML::Builder.new(namespace_inheritance: false)

See https://nokogiri.org/rdoc/Nokogiri/XML/Builder.html#label-Namespace+inheritance for example usage.

Downstream gem maintainers

Note that any downstream gems may want to specifically omit Nokogiri v1.12.0--v1.12.3 from their dependency specification if they rely on child namespace inheritance:

Gem::Specification.new do |gem|
  # ...
  gem.add_runtime_dependency 'nokogiri', '!=1.12.3', '!=1.12.2', '!=1.12.1', '!=1.12.0'
  # ...
end

Fixed

• [JRuby] Fix NPE in Schema parsing when an imported resource doesn't have a systemId. [#2296] (Thanks, @pepijnve!)

---

SHA256 checksums:

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1.12.3 / 2021-08-06

1.12.3 / 2021-08-06

Fixed

• [CRuby] Fix compilation of libgumbo on older systems with versions of GCC that give errors on C99-isms. Affected systems include RHEL6, RHEL7, and SLES12. [#2302]

---

Checksums:

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1.12.2 / 2021-08-04

1.12.2 / 2021-08-04

Fixed

• Ensure that C extension files in non-native gem installations are loaded using require and rely on $LOAD_PATH instead of using require_relative. This issue only exists when deleting shared libraries that exist outside the extensions directory, something users occasionally do to conserve disk space. [#2300]

---

Checksums:

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1.12.1 / 2021-08-03

1.12.1 / 2021-08-03

Fixed

• Fix compilation of libgumbo on BSD systems by avoiding GNU-isms. [#2298]

---

Checksums:

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1.12.0 / 2021-08-02

1.12.0 / 2021-08-02

Notable Addition: HTML5 Support (CRuby only)

HTML5 support has been added (to CRuby only) by merging Nokogumbo into Nokogiri. The Nokogumbo public API has been preserved, so this functionality is available under the Nokogiri::HTML5 namespace. [#2204]

Please note that HTML5 support is not available for JRuby in this version. However, we feel it is important to think about JRuby and we hope to work on this in the future. If you're interested in helping with HTML5 support on JRuby, please reach out to the maintainers by commenting on issue #2227.

Many thanks to Sam Ruby, Steve Checkoway, and Craig Barnes for creating and maintaining Nokogumbo and supporting the Gumbo HTML5 parser. They're now Nokogiri core contributors with all the powers and privileges pertaining thereto. 🙌

Notable Change: Nokogiri::HTML4 module and namespace

Nokogiri::HTML has been renamed to Nokogiri::HTML4, and Nokogiri::HTML is aliased to preserve backwards-compatibility. Nokogiri::HTML and Nokogiri::HTML4 parse methods still use libxml2's (or NekoHTML's) HTML4 parser in the v1.12 release series.

Take special note that if you rely on the class name of an object in your code, objects will now report a class of Nokogiri::HTML4::Foo where they previously reported Nokogiri::HTML::Foo. Instead of relying on the string returned by Object#class, prefer Class#=== or Object#is_a? or Object#instance_of?.

Future releases of Nokogiri may deprecate HTML methods or otherwise change this behavior, so please start using HTML4 in place of HTML.

Added

• [CRuby] Nokogiri::VERSION_INFO["libxslt"]["datetime_enabled"] is a new boolean value which describes whether libxslt (or, more properly, libexslt) has compiled-in datetime support. This generally going to be true, but some distros ship without this support (e.g., some mingw UCRT-based packages, see msys2/MINGW-packages#8957). See #2272 for more details.

Changed

• Introduce a new constant, Nokogiri::XML::ParseOptions::DEFAULT_XSLT, which adds the libxslt-preferred options of NOENT | DTDLOAD | DTDATTR | NOCDATA to ParseOptions::DEFAULT_XML.
• Nokogiri.XSLT parses stylesheets using ParseOptions::DEFAULT_XSLT, which should make some edge-case XSL transformations match libxslt's default behavior. [#1940]

Fixed

• [CRuby] Namespaced attributes are handled properly when their parent node is reparented into another document. Previously, the namespace may have gotten dropped. [#2228]
• [CRuby] Reparented nodes no longer inherit their parent's namespace. Previously, a node without a namespace was forced to adopt its parent's namespace. [#1712]

Improved

• [CRuby] Speed up (slightly) the compile time of packaged libraries libiconv, libxml2, and libxslt by using autoconf's --disable-dependency-tracking option. ("ruby" platform gem only.)

Deprecated

• Deprecating Nokogumbo's Nokogiri::HTML5.get. This method will be removed in a future version of Nokogiri.

Dependencies

• [CRuby] Upgrade mini_portile2 dependency from ~> 2.5.0 to ~> 2.6.1. ("ruby" platform gem only.)

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