Note: With v2.6.0 SDK/ToolChain I can import the Nordic template sample and successfully build/flash and run on the nRF52840DK. Support info below for my MacBookPro (M1) development machine.

{
  "platform": {
    "os": "darwin",
    "osVersion": "Darwin Kernel Version 23.4.0: Fri Mar 15 00:10:42 PDT 2024; root:xnu-10063.101.17~1/RELEASE_ARM64_T6000",
    "osKernel": "23.4.0",
    "vscode": "1.81.0",
    "electron": "22.3.18",
    "node": "v16.17.1"
  },
  "system": {
    "date": "2024-04-05T16:26:20.024Z",
    "vscodeRoot": "/private/var/folders/_j/1y61dvds1pbf1k2q2p1rz8g40000gn/T/AppTranslocation/65839C9E-5691-47C6-8000-A4BDDAAA1B23/d/Visual Studio Code.app/Contents/Resources/app",
    "nrfConnectForDesktopInstalled": true,
    "vscodeUptime": "38:24:50",
    "osUptime": "72:33:02",
    "cpu": "Apple M1 Pro"
  },
  "workspace": {
    "name": "GitLab (Workspace)",
    "workspaceFile": "/Users/Kranz/puzl/nrf/GitLab.code-workspace",
    "folders": [
      "/Users/Kranz/puzl/nrf/GitLab",
      "/Users/Kranz/puzl/nrf/template2.5.2",
      "/Users/Kranz/puzl/nrf/template",
      "/Users/Kranz/puzl/nrf/blinky2.6.0"
    ]
  },
  "sdks": [
    {
      "version": "v2.6.0",
      "path": "/opt/nordic/ncs/v2.6.0"
    },
    {
      "version": "v2.5.2",
      "path": "/opt/nordic/ncs/v2.5.2"
    },
    {
      "version": "v2.5.0",
      "path": "/opt/nordic/ncs/v2.5.0"
    }
  ],
  "activeBuild": "/Users/Kranz/puzl/nrf/template/build",
  "apps": [
    {
      "workspace": "/Users/Kranz/puzl/nrf/GitLab",
      "uri": "/Users/Kranz/puzl/nrf/GitLab",
      "buildConfigurations": [
        {
          "id": "/Users/Kranz/puzl/nrf/GitLab/build",
          "name": "build",
          "boardId": "nrf52840dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    },
    {
      "workspace": "/Users/Kranz/puzl/nrf/template2.5.2",
      "uri": "/Users/Kranz/puzl/nrf/template2.5.2",
      "buildConfigurations": []
    },
    {
      "workspace": "/Users/Kranz/puzl/nrf/template",
      "uri": "/Users/Kranz/puzl/nrf/template",
      "buildConfigurations": [
        {
          "id": "/Users/Kranz/puzl/nrf/template/build",
          "name": "build",
          "boardId": "nrf52840dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    },
    {
      "workspace": "/Users/Kranz/puzl/nrf/blinky2.6.0",
      "uri": "/Users/Kranz/puzl/nrf/blinky2.6.0",
      "buildConfigurations": [
        {
          "id": "/Users/Kranz/puzl/nrf/blinky2.6.0/build",
          "name": "build",
          "boardId": "nrf52840dk_nrf52840",
          "type": "Zephyr",
          "isChild": false,
          "isStale": false,
          "taskBindings": {
            "build": [],
            "pristineBuild": [],
            "flash": [],
            "eraseAndFlash": []
          }
        }
      ]
    }
  ],
  "topdir": "/opt/nordic/ncs/v2.6.0",
  "workspaceState": "freestanding-ready",
  "toolchains": [
    {
      "version": "2.6.0",
      "path": "/opt/nordic/ncs/toolchains/580e4ef81c"
    },
    {
      "version": "2.5.2",
      "path": "/opt/nordic/ncs/toolchains/20d68df7e5"
    },
    {
      "version": "2.5.0",
      "path": "/opt/nordic/ncs/toolchains/20d68df7e5"
    },
    {
      "version": "2.4.1",
      "path": "/opt/nordic/ncs/toolchains/4ef6631da0"
    }
  ],
  "connectedDevices": [
    {
      "serialNumber": "001050258135",
      "boardVersion": "PCA10056",
      "deviceFamily": "NRF52_FAMILY",
      "deviceVersion": "NRF52840_xxAA_REV3",
      "jlinkObFirmwareVersion": "J-Link OB-nRF5340-NordicSemi compiled Oct 30 2023 12:13:06"
    }
  ],
  "deviceProvider": "nrfutil",
  "tools": {
    "/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc": "0.16.5",
    "/Applications/SEGGER/JLink/JLinkExe": "7.94c",
    "/usr/local/bin/nrfjprog": "10.23.0",
    "nrfutil": "Not found",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/cmake": "3.21.0",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/west": "1.2.0",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/python3": "3.9.6",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/ninja": "1.10.2",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/gperf": "3.1",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/dtc": "1.6.1",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/gn": "2154",
    "/opt/nordic/ncs/toolchains/580e4ef81c/bin/git": "2.37.3",
    "gdbPath": "/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk/arm-zephyr-eabi/bin/arm-zephyr-eabi-gdb"
  },
  "nrfutil": {
    "nrfutil-device": {
      "version": "2.0.0",
      "binPath": "/Users/Kranz/.vscode/extensions/nordic-semiconductor.nrf-connect-2024.3.25-darwin-arm64/platform/nrfutil/bin/nrfutil-device"
    },
    "nrfutil-toolchain-manager": {
      "version": "0.14.1",
      "binPath": "/Users/Kranz/.vscode/extensions/nordic-semiconductor.nrf-connect-2024.3.25-darwin-arm64/platform/nrfutil/bin/nrfutil-toolchain-manager"
    }
  },
  "environment": {
    "westEnv": {
      "ELECTRON_RUN_AS_NODE": "1",
      "GIT_EXEC_PATH": "/opt/nordic/ncs/toolchains/580e4ef81c/Cellar/git/2.37.3/libexec/git-core",
      "HOME": "/Users/Kranz",
      "PATH": "/opt/nordic/ncs/toolchains/580e4ef81c/bin:/opt/nordic/ncs/toolchains/580e4ef81c/usr/bin:/opt/nordic/ncs/toolchains/580e4ef81c/usr/local/bin:/opt/nordic/ncs/toolchains/580e4ef81c/opt/bin:/opt/nordic/ncs/toolchains/580e4ef81c/opt/nanopb/generator-bin:/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk/aarch64-zephyr-elf/bin:/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk/x86_64-zephyr-elf/bin:/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk/arm-zephyr-eabi/bin:/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk/riscv64-zephyr-elf/bin:/Library/Frameworks/Python.framework/Versions/3.12/bin:/Library/Frameworks/Python.framework/Versions/3.12/bin:/Users/Kranz:/Users/Kranz/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/Library/Apple/usr/bin:/Applications/Wireshark.app/Contents/MacOS:/Applications/Visual Studio Code.app/Contents/Resources/app/bin:/opt/nordic/ncs/toolchains/20d68df7e5/bin:/Library/Frameworks/Python.framework/Versions/3.12/bin:/Library/Frameworks/Python.framework/Versions/3.12/bin:/Users/Kranz:/Users/Kranz/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/Library/Apple/usr/bin:/Applications/Wireshark.app/Contents/MacOS:/Applications/Visual Studio Code.app/Contents/Resources/app/bin:/opt/nordic/ncs/toolchains/20d68df7e5/bin",
      "ZEPHYR_BASE": "/opt/nordic/ncs/v2.6.0/zephyr",
      "ZEPHYR_TOOLCHAIN_VARIANT": "zephyr",
      "ZEPHYR_SDK_INSTALL_DIR": "/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk",
      "USER": "Kranz"
    },
    "inherited": {
      "ELECTRON_RUN_AS_NODE": "1",
      "HOME": "/Users/Kranz",
      "PATH": "/Library/Frameworks/Python.framework/Versions/3.12/bin:/Library/Frameworks/Python.framework/Versions/3.12/bin:/Users/Kranz:/Users/Kranz/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/Library/Apple/usr/bin:/Applications/Wireshark.app/Contents/MacOS:/Applications/Visual Studio Code.app/Contents/Resources/app/bin:/opt/nordic/ncs/toolchains/20d68df7e5/bin",
      "USER": "Kranz"
    },
    "toolchainPath": "/opt/nordic/ncs/toolchains/580e4ef81c",
    "toolchainBinPath": "/opt/nordic/ncs/toolchains/580e4ef81c/opt/zephyr-sdk/arm-zephyr-eabi/bin",
    "toolchainVersion": "2.6.0"
  },
  "terminal": {
    "defaultProfile": null
  },
  "config": {
    "nordic-semiconductor.nrf-connect": {
      "topdir": "${nrf-connect.sdk:2.6.0}",
      "toolchain": {
        "path": "${nrf-connect.toolchain:2.6.0}"
      },
      "ozonePath": "",
      "applications": [
        "${workspaceFolder}"
      ],
      "applicationOptions": {},
      "kconfig": {
        "interface": "kconfig"
      },
      "west": {
        "env": {
          "$base": "terminal"
        }
      },
      "boardRoots": [],
      "taskBindings": {},
      "buildTerminal": {
        "condensedProgress": true
      },
      "debugging": {
        "flash": true,
        "bindings": {
          "${workspaceFolder}/build": "Launch GitLab/build"
        },
        "justMyCode": true
      },
      "activeAppFollowActiveEditor": true,
      "deviceProvider": "",
      "flash": {
        "softreset": false,
        "erase": false,
        "recover": false
      },
      "enableTelemetry": false,
      "thirdpartyIntegration": {},
      "toolchainManager": {
        "indexURL": null,
        "installDirectory": null
      },
      "nrfutil": {
        "home": null
      },
      "defaultOpenAction": "ask",
      "welcome": {
        "showOnStartup": true
      }
    },
    "nordic-semiconductor.nrf-terminal": {
      "terminalMode": "character"
    }
  },
  "extensions": {
    "internal": {
      "nordic-semiconductor.nrf-connect": {
        "version": "2024.3.25",
        "path": "/Users/Kranz/.vscode/extensions/nordic-semiconductor.nrf-connect-2024.3.25-darwin-arm64",
        "isActive": true
      },
      "nordic-semiconductor.nrf-terminal": {
        "version": "2024.3.15",
        "path": "/Users/Kranz/.vscode/extensions/nordic-semiconductor.nrf-terminal-2024.3.15",
        "isActive": true
      },
      "nordic-semiconductor.nrf-devicetree": {
        "version": "2024.3.78",
        "path": "/Users/Kranz/.vscode/extensions/nordic-semiconductor.nrf-devicetree-2024.3.78",
        "isActive": true
      },
      "nordic-semiconductor.nrf-kconfig": {
        "version": "2024.3.21",
        "path": "/Users/Kranz/.vscode/extensions/nordic-semiconductor.nrf-kconfig-2024.3.21",
        "isActive": true
      }
    },
    "external": {
      "marus25.cortex-debug": null,
      "ms-vscode.cpptools": "1.19.9",
      "ms-vscode.js-debug": "1.81.0",
      "ms-vscode.js-debug-companion": "1.1.2",
      "ms-vscode.vscode-js-profile-table": "1.0.3",
      "eamodio.gitlens": "14.5.2",
      "shd101wyy.markdown-preview-enhanced": "0.8.13",
      "trond-snekvik.gnu-mapfiles": "1.1.0",
      "twxs.cmake": "0.0.17"
    }
  }
}