# ReSharper C++ 2026.2.1

- Product: ReSharper C++ (https://whatsnew.fyi/product/resharper-cpp)
- Vendor: JetBrains
- Date: 2026-08-19
- Version: 2026.2.1
- Original notes: https://youtrack.jetbrains.com/articles/DOTNET-A-386/ReSharper-Tools-2026.2.1-release-notes
- Permalink: https://whatsnew.fyi/product/resharper-cpp/releases/2026.2.1

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Out-of-Process (OOP) mode is enabled by default, unless explicitly disabled before
- **added** — OOP mode support in dotCover, which now runs OOP by default instead of forcing ReSharper to run in-process when installed
- **added** — Visual dependency analysis diagramming support in OOP mode
- **added** — Support for Claude Opus 5 as a model in Junie

ReSharper 2026.2.1 comes with:
- [Out-of-Process (OOP) mode](https://blog.jetbrains.com/dotnet/2026/08/17/rider-resharper-2026-2-1/#resharper) enabled by default, unless you explicitly disabled it before.
- OOP mode support in dotCover, which now runs OOP by default instead of forcing ReSharper to run in-process when installed.
- [Visual dependency analysis](https://www.jetbrains.com/help/resharper/Visual_Dependency_Analysis.html) diagramming support in OOP mode.
- An update to Junie that adds support for Claude Opus 5 as a model.
For the full list of updates included in this release, see the [What's New page](https://www.jetbrains.com/resharper/whatsnew/).