{"id":47265,"date":"2026-05-27T17:09:00","date_gmt":"2026-05-27T17:09:00","guid":{"rendered":"https:\/\/webspellchecker.com\/?post_type=release_notes&#038;p=47265"},"modified":"2026-09-10T18:13:43","modified_gmt":"2026-09-10T18:13:43","slug":"wproofreader-core-6-13-0","status":"publish","type":"release_notes","link":"https:\/\/webspellchecker.com\/release-notes\/wproofreader-core-6-13-0\/","title":{"rendered":"v6.13.0"},"content":{"rendered":"\n<p><strong>WProofreader core v6.13.0<\/strong> migrates AI writing assistant operations to new models and restores its Google Docs support, improves AI-based proofreading and autocomplete quality, expands multilingual dictionaries with 1400+ words, introduces limits for custom dictionaries and style guide collections, updates Ukrainian and Finnish dictionaries, and delivers a security update.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tl-dr\">\ud83d\udcdd TL;DR<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Migrated AI writing assistant models across multiple languages to Amazon and Google alternatives following the deprecation of Anthropic Claude models and to optimize performance<\/li>\n\n\n\n<li>Updated the Ukrainian and Finnish dictionaries&nbsp;<\/li>\n\n\n\n<li>Expanded dictionaries with 1,400+ new words across English, German, Spanish and Portuguese with common words, medical terminology, additional proper names and abbreviations<\/li>\n\n\n\n<li>Improved spelling quality with better handling of Greek capitalized words<\/li>\n\n\n\n<li>Improved filtering of autocomplete suggestions containing sensitive or discriminatory language<\/li>\n\n\n\n<li>Updated style guidance with new Spanish anglicism rules<\/li>\n\n\n\n<li>Improved AI proofreading quality across all supported models and enhanced Spanish AI proofreading v3.0 for more reliable corrections.<\/li>\n\n\n\n<li>Restored AI writing assistant compatibility with Google Docs<\/li>\n\n\n\n<li>Security update. Updated OpenTelemetry to address <a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-45292\">CVE-2026-45292<\/a><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udee0 Enhancements<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">WProofreader JS core (v3.42.6057)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improved Google Docs compatibility. Fixed issues preventing AI writing assistant from working correctly in Google Docs.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ai-writing-assistant\">AI writing assistant<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Migrated the English AI writing assistant from Anthropic Claude Haiku 3 following its deprecation. For more information, review <a href=\"https:\/\/docs.wproofreader.com\/features\/ai-writing-assistant-aiwa\/default-language-models-by-language#english\">documentation current English models<\/a>.<\/li>\n\n\n\n<li>Migrated selected <a href=\"https:\/\/docs.wproofreader.com\/features\/ai-writing-assistant-aiwa\/default-language-models-by-language#norwegian\">Norwegian<\/a>, <a href=\"https:\/\/docs.wproofreader.com\/features\/ai-writing-assistant-aiwa\/default-language-models-by-language#italian\">Italian<\/a>, <a href=\"https:\/\/docs.wproofreader.com\/features\/ai-writing-assistant-aiwa\/default-language-models-by-language#spanish\">Spanish<\/a>, and <a href=\"https:\/\/docs.wproofreader.com\/features\/ai-writing-assistant-aiwa\/default-language-models-by-language#danish\">Danish<\/a> AI writing assistant workflows from Anthropic Claude Sonnet 4 following its deprecation.<\/li>\n\n\n\n<li>Updated prompts and migrated the <a href=\"https:\/\/docs.wproofreader.com\/features\/ai-writing-assistant-aiwa\/default-language-models-by-language#german\">German<\/a> and <a href=\"https:\/\/docs.wproofreader.com\/features\/ai-writing-assistant-aiwa\/default-language-models-by-language#ukrainian\">Ukrainian<\/a> AI writing assistant from Anthropic Claude Haiku 4.5 to boost performance.<\/li>\n\n\n\n<li>Improved AI writing assistant prompts across Dutch, Swedish, Portuguese, and Polish for more consistent rewriting, tone adjustment, shortening, and expansion results.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-spelling\">Spelling<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improved handling of Greek all-caps words, like <em>\u0395\u0399\u0394\u0397\u03a3\u0397<\/em>.<\/li>\n\n\n\n<li>Expanded dictionaries with 1,000+ new words across English, German, Spanish, and Portuguese, covering abbreviations, affixes, biology, common words, dialectal variations, food, linguistics, music, proper names, slang, and technology.<\/li>\n\n\n\n<li>Enriched shared cross-language dictionaries with 30+ proper names and abbreviations, like <em>Googlebot<\/em> and <em>ISO<\/em>.<\/li>\n\n\n\n<li>Enhanced English and Spanish medical terminology with 471 new words covering medical terms, legal terminology, abbreviations, and related vocabulary.<\/li>\n\n\n\n<li>Expanded English dialect coverage with new dialectal word pairs, such as <em>radiolabeled<\/em> vs <em>radiolabelled<\/em>.<\/li>\n\n\n\n<li>Refined suggestion rules for common English and Spanish misspellings, such as <em>gritings \u2192 greetings<\/em>.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-custom-dictionary\">Custom dictionary<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Added a limitation on the number of custom dictionaries depending on <a href=\"https:\/\/wproofreader.com\/sdk#pricing\">the subscription plan<\/a>. Up to 250 for self-hosted.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-style\">Style<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Added a limitation on the number of style guide collections depending on <a href=\"https:\/\/wproofreader.com\/sdk#pricing\">the subscription plan<\/a>. Up to 250 for self-hosted.<\/li>\n\n\n\n<li>Made <a href=\"https:\/\/docs.wproofreader.com\/api-reference\/style-guide-api#common-parameters\">\u2018collection\u2019 parameter<\/a> required for any actions with style guide rules using API<\/li>\n\n\n\n<li>Updated <a href=\"https:\/\/docs.wproofreader.com\/features\/style-check#spanish\">Spanish style guide<\/a> with new anglicism rules, such as <em>download, shopping center<\/em>, etc.<\/li>\n\n\n\n<li>Added the possibility to use part from the pattern field in suggestion filed. For example, <em>Lehrer \u2192 Lehrer*in<\/em><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-ai-proofreading\">AI proofreading<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improved AI proofreading quality across English, German, and Spanish in punctuation and spacing handling, including decimal commas, en dashes, and punctuation around corrected text.<\/li>\n\n\n\n<li>Improved Spanish correction accuracy by preventing redundant pronouns, unnecessary punctuation, degree symbols, square brackets, and duplicate suggestions.<\/li>\n\n\n\n<li>Improved suggestion quality in German by restricting word removal at the end of German sentences.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Autocomplete<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improved filtering of autocomplete suggestions containing sensitive, unexpected, or discriminatory language, such as <em>war, drug<\/em>, etc.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-languages\">Languages<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Updated the <strong>Ukrainian (uk_UA)<\/strong> Hunspell dictionary to <strong>v6.8.0 (Apr 23, 2026)<\/strong> by Rysin, A. and Starko, V., which included an expansion of the dictionary with 12,000+ entries. Source: <a href=\"https:\/\/github.com\/brown-uk\/dict_uk\/releases#release-v6.8.0\">https:\/\/github.com\/brown-uk\/dict_uk\/releases#release-v6.8.0<\/a>&nbsp;<\/li>\n\n\n\n<li>Updated the <strong>Finnish (fi_FI)<\/strong> Hunspell dictionary to <strong>v0.2 (Dec 6, 2023) <\/strong>by Voiko, significantly expanding vocabulary coverage across technical, medical, and proper names. Source: <a href=\"https:\/\/github.com\/fginter\/hunspell-fi\/releases\/tag\/0.2\">https:\/\/github.com\/fginter\/hunspell-fi\/releases\/tag\/0.2<\/a>&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-security\">\ud83d\udee1 Security<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>OpenTelemetry upgrade:<\/strong> Updated opentelemetry to <strong>1.62.0<\/strong> to address <a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-45292\"><strong>CVE-2026-45292<\/strong><\/a>. Scope: components depending on opentelemetry (direct or transitive) packaging of langtool\/libs.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-bug-fixes\">\ud83d\udc1e Bug fixes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WProofreader JS core: AI writing assistant doesn&#8217;t work in Google Docs<\/li>\n\n\n\n<li>AI writing assistant stopped working for free extension for auto-detect language<\/li>\n<\/ul>\n","protected":false},"comment_status":"open","ping_status":"closed","template":"","release-note-category":[],"class_list":["post-47265","release_notes","type-release_notes","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.5 (Yoast SEO v23.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>WProofreader core release notes v6.13.0 | WebSpellChecker<\/title>\n<meta name=\"description\" content=\"WProofreader core v6.13.0: Updates AI writing assistant models, introduces limits, improves proofreading 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