# JetBrains Toolbox App 3.7.1

- Product: JetBrains Toolbox App (https://whatsnew.fyi/product/jetbrains-toolbox)
- Vendor: JetBrains
- Date: 2026-08-20
- Version: 3.7.1
- Original notes: https://youtrack.jetbrains.com/releaseNotes?title=Toolbox%20App%203.7%20Release%20Notes&q=in:%20TBX%20Fix%20versions:%203.7,%203.7.1%20%23Resolved%20-Duplicate%20-Answered
- Permalink: https://whatsnew.fyi/product/jetbrains-toolbox/releases/3.7.1

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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- **fixed** — Fixed an issue where Remote Development plugins were blocked with IDE Services
- **changed** — Toolbox App now installs and updates IDEs reliably on macOS 27
- **changed** — JVM memory optimizations are now enabled by default, tuning memory management, code-cache behavior, and garbage collection
- **fixed** — Fixed Windows Smart App Control compatibility so the Toolbox App launches when Windows Smart App Control is enabled
- **changed** — Patch updates on macOS now verify the updated bundle's code signature, remove unsealed files, and download a clean copy if verification fails
- **fixed** — Improved session-expiration handling to reduce unexpected session-expired notifications

Toolbox App 3.7.1 Bugfix Update
- Fixed an issue where Remote Development plugins were blocked with IDE Services.
What's New in Toolbox App 3.7
Reliable IDE installation and updates on macOS 27
The Toolbox App now installs and updates IDEs reliably on macOS 27.
JVM memory optimizations by default
The Toolbox App now enables JVM memory optimizations by default. The configuration tunes memory management, code-cache behavior, and garbage collection without requiring setup. [TBX-18852](https://youtrack.jetbrains.com/issue/TBX-18852/)
Fixed Windows Smart App Control compatibility
The Toolbox App now launches when Windows Smart App Control is enabled. [TBX-18777](https://youtrack.jetbrains.com/issue/TBX-18777/)
Patch updates on macOS
Some JetBrains IDEs create runtime files inside their macOS app bundles. During a patch update, the Toolbox App verifies the updated bundle's code signature, removes files that are not sealed by the new build, and downloads a clean copy if verification still fails. [TBX-18856](https://youtrack.jetbrains.com/issue/TBX-18856/)
Session-expiration improvement
If you've seen an unexpected session-expired notification, please try the Toolbox App 3.7 update and report the issue if it persists.
See the full list of release notes [here](https://youtrack.jetbrains.com/releaseNotes?title=Toolbox%20App%203.7%20Release%20Notes&q=in:%20TBX%20Fix%20versions:%203.7%20%23Resolved%20-Duplicate%20-Answered).