VS Code nRFConnect extension SDK and toolchain selection stopped working

Hi, 

Today the nRF Connect extension isn't working anymore: it doesn't show or let me select an SDK or toolchain.

I have tried on 2 separate computers where it was still working fine last week.

I have tried reinstalling the extension, without success.

No versions of the SDK available for selection, yet they are installed.
Intalling a new copy of the SDK leads to the same issue.

However, selecting "Open SDK Directory" correctly lists all local installations of the SDK.

What can I do about this?

Below is the support information from the nRF Connect extension.

// IMPORTANT: The following data can contain sensitive or confidential information about your environment.
// If you do not want others to see this information, make sure to remove it before sharing the data.

// For help and support, visit Nordic Semiconductor's DevZone at https://devzone.nordicsemi.com/.

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    "vscode": "1.95.3",
    "electron": "32.2.1",
    "node": "v20.18.0"
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  "system": {
    "date": "2024-12-17T12:20:36.692Z",
    "vscodeRoot": "c:\\Users\\GeoffreyDeban\\AppData\\Local\\Programs\\Microsoft VS Code\\resources\\app",
    "nrfConnectForDesktopInstalled": true,
    "vscodeUptime": "00:00:54",
    "osUptime": "65:01:58",
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      "version": "v2.6.1",
      "path": "d:\\ncs\\v2.6.1"
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      "version": "v2.6.0",
      "path": "d:\\ncs\\v2.6.0"
    },
    {
      "version": "v2.5.2",
      "path": "d:\\ncs\\v2.5.2"
    },
    {
      "version": "v2.5.1",
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      "version": "v2.4.0",
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      "version": "2.5.2",
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      "version": "2.5.1",
      "path": "d:\\ncs\\toolchains\\c57af46cb7"
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    {
      "version": "2.4.3",
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      "version": "2.4.0",
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    {
      "version": "2.1.3",
      "path": "d:\\ncs\\toolchains\\v2.1.3"
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      "version": "2.1.0",
      "path": "d:\\ncs\\toolchains\\v2.1.0"
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    "C:\\Program Files\\Nordic Semiconductor\\nrf-command-line-tools\\bin\\nrfjprog.exe": "10.24.2",
    "C:\\Users\\GeoffreyDeban\\AppData\\Local\\Microsoft\\WinGet\\Packages\\NordicSemiconductor.nrfutil_Microsoft.Winget.Source_8wekyb3d8bbwe\\nrfutil.exe": "7.7.1",
    "D:\\ncs\\toolchains\\2d382dcd92\\cmake": "3.21.0",
    "D:\\ncs\\toolchains\\2d382dcd92\\opt\\bin\\Scripts\\west.exe": "1.2.0",
    "D:\\ncs\\toolchains\\2d382dcd92\\opt\\bin\\python.exe": "3.12.4",
    "D:\\ncs\\toolchains\\2d382dcd92\\opt\\bin\\ninja.exe": "1.10.2",
    "D:\\ncs\\toolchains\\2d382dcd92\\opt\\bin\\gperf.exe": "3.1",
    "D:\\ncs\\toolchains\\2d382dcd92\\opt\\bin\\dtc.exe": "1.4.7",
    "D:\\ncs\\toolchains\\2d382dcd92\\opt\\bin\\gn.exe": "2201",
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    "arm-gdbPath": "d:\\ncs\\toolchains\\2d382dcd92\\opt\\zephyr-sdk\\arm-zephyr-eabi\\bin\\arm-zephyr-eabi-gdb.exe",
    "riscv-gdbPath": "D:\\ncs\\toolchains\\2d382dcd92\\opt\\zephyr-sdk\\riscv64-zephyr-elf\\bin\\riscv64-zephyr-elf-gdb.exe"
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        "version": "JLink_V7.94i",
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      "ZEPHYR_BASE": "d:\\ncs\\v2.8.0\\zephyr",
      "ZEPHYR_TOOLCHAIN_VARIANT": "zephyr",
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