textlint/textlint is a plugin-style linter that checks natural language sentences, and its latest release is v15.8.0. The provided record contains no specific details about what changed in this release. Like the code linter ESLint, it works by installing lint rules separately, and it ships with no default rules. Therefore, apart from the version number, the nature of this update cannot be determined.
This tool supports Markdown and plain text out of the box, and formats such as HTML can be extended through plugins. In the CLI you can use rule-based autofixes and several formatters. The separated rule structure lets you pick a checking configuration that fits the document type or writing standards. It is written in TypeScript and is released under the MIT license. The repository description states the scope of a tool for natural language, and the README summary explains the extension approach.
However, since rules are not provided by default, simply installing it does not give you a setup that immediately checks sentences. You have to choose the rules to use separately. It also supports running as a Model Context Protocol (MCP) server, but the materials define this as an experimental feature. The provided FACTS contain no change list or performance comparison for v15.8.0. The research DB momentum score is 1.5/10, and the other score entries are empty. So what can be confirmed at present is the scope of the tool and how it is configured, and this record alone makes it hard to evaluate the magnitude of the concrete improvements in this version or its current level of activity.