Simplicity Studio Version 6.2.0 (Jun 23, 2026) Release Notes#

Welcome to the General Availability (GA) release of Simplicity Studio 6, the next-generation development environment for Silicon Labs Series 2 and Series 3 platforms.

This release introduces a modernized foundation focused on a modular architecture, improved SDK management, and increased extensibility for developer workflows.

Release Summary#

Added in Studio 6.2.0#

  • Changed the default project import option from Link SDK and copy project sources to Copy contents when creating a new project in the New Project Wizard.

  • Added LLVM as a toolchain option for Simplicity SDK projects.

    • LLVM toolchain support is currently in Alpha.

  • Improved configurator error reporting by displaying code generation errors directly in the Studio user interface (UI).

  • Enhanced the Board Overview page with additional board and kit information.

  • Redesigned the Devices view to improve the experience for managing connected and selected devices.

  • Simplified access to documentation from the Devices Overview page and added an Ask AI link in Simplicity Studio to help users find relevant documentation more quickly.

  • Combined demo and example applications into a unified experience in the Studio Example Browser.

  • Added quality indicators for nonproduction sample applications in the Studio UI.

  • Added support for project names that contain spaces in the New Project Wizard.

  • Renamed solution CMake files to cmake_<toolchain> for consistency with project CMake files.

  • Updated CMake files to support automatically generated toolchain locations and versions.

  • Improved GCC and LLVM toolchain support for projects located in paths that contain spaces.

Bug Fixes#

Fixed in Studio 6.2.0#

  • Fixed several issues affecting software component configuration and error reporting.

  • Fixed an issue affecting custom board detection and display in Studio and VS Code.

All bug fixes are listed in the table below.

Chip Enablement#

  • EFR32FG2D

  • SiWx917Y-X

Removed or Deprecated Features#

  • None.

Known Issues and Limitations#

UID

Issue

Workaround

-

Device Selector dialog: Limited filtering functionality by protocol.

None

-

Matter Provisioning Tool: The Matter Provisioning Tool is not available in this release.

None

-

IAR project generator: The IAR project generator is not available from the New Project Wizard.

See Select a Target IDE.

-

Multiple-instance support (*): Running multiple instances of the same Studio version simultaneously is not supported.

None

-

Bug reporting (*): The Bug Report option is not available.

Capture the log files described in Reporting an Issue.

-

Windows blue screen with older adapter firmware: Using adapter firmware versions earlier than v2.0.0 can cause a blue screen of death (BSOD) on Windows.

Update the development board to adapter firmware v2.0.0 or later, which uses the Microsoft WinUSB driver.

Note (*) This behavior differs from Simplicity Studio v5. Although it is not an issue or limitation, it may affect existing workflows.

Additional Bug Fixes#

Fixed in Studio 6.2.0#

UID

Description

1626096

Fixed an issue where software component configuration controls remained disabled after adding new component instances.

1565185

Fixed an issue where the Bluetooth CSR Generator project Configuration menu failed to open.

1622750

Fixed an issue where custom board information from SDM was not reflected in the Studio and Visual Studio Code device views.

1626169

Fixed an issue where advanced configurator code generation errors were not displayed to the user.

1620399

Fixed an issue where integrated development environment (IDE) preferences were not organized consistently in the Studio Settings view.

1473341

Fixed an issue that prevented Matter projects from switching between Minimal Thread Device (MTD) and Full Thread Device (FTD) Thread stack configurations.

1590639

Fixed an issue where the Pulse Width Modulation (PWM) software component editor did not display the Timer Output Channel field.