13.0.0

• 🔧 Change: Migrate from Java to Kotlin
• ✨ New: Add support for checking comments in many popular programming languages — vscode-ltex#350
• ✨ New: Add non-server batch mode via --input-documents — #71
• ✨ New: Add support for rule-dependent diagnostic severities in ltex.diagnosticSeverity — #95
• ✨ New: Add support for vowel dummies in L^AT_EX ("vowelDummy" in ltex.latex.commands) and Markdown ("vowelDummy" in ltex.markdown.nodes) — vscode-ltex#366
• ✨ New: Add support for more L^AT_EX commands (\mathop, \overline, \tilde, \alpha, etc.) for automatic vowel detection in formulas in L^AT_EX — #92, Shuhao Cao (@scaomath)
• ✨ New: Add support for \counterwithin, \counterwithout, and \numberwithin in L^AT_EX — #87, Alexander Zeilmann (@AlexanderZeilmann)
• 🐛 Bug fix: Don't ignore second argument of \setkomavar in L^AT_EX — vscode-ltex#373
• ✨ New: Add support for InitializeParams.locale when using LSP 3.16 or later, deprecate CustomInitializationOptions.locale
• 🗑 Removal: Remove support for magic comments in XHTML
• 🔧 Change: Change format of changelog