[BUG] Length of fields are invalid if adding data in display

[AliensInc]

Read the FAQ first

• I have checked the FAQ but the issue is not covered

Description

Maybe not a BUG so title could be QUESTION instead.

I was using example 25.json as a start and was adding "temp" to both CPU and GPU.
It worked but the framing around the GPU line became overwritten by the data.

Was first adding more horizontal lines for the frame to extend them all to fit the new layout but
then saw that '{$1}' value seemed to have a length into it to extend this automatically.
I now wonder what is setting that value as it don't seem to get the new numbers of characters
of every lines total.

Is there a way to fix this or is it only a manual patch in the json file to fix this.

In the screenshot the corners are longer as I've added line to it so skip that,
the error is on the GPU-line.
Also removed the remark-characters (//) as they didn't work when I copied the file into my
.config-directory, don't know why as the original 25.json works when in the original place. (weird)

Version used

fastfetch 2.47.0 (x86_64)

Bug prevalence

Always

Regression

Not sure

Installation

Package manager

Package manager

pacman

Screenshots

Configuration

{
    "$schema": "https://github.com/fastfetch-cli/fastfetch/raw/dev/doc/json_schema.json",
    "display": {
        "color": {
            "keys": "blue"
        },
        "separator": "",
        "constants": [
            "──────────────────────────────────────────────",
            "\u001b[47D",
            "\u001b[47C",
            "\u001b[46C"
        ],
        "brightColor": false
    },
    "modules": [
        {
            "type": "version",
            "key": "┌───────────────┬───{$1}┐\u001b[41D",
            "format": "\u001b[1m{#keys} {1} - {2} "
        },
        {
            "type": "os",
            "key": "│  {icon}  \u001b[s{sysname}\u001b[u\u001b[10C│{$3}│{$2}"
        },
        {
            "type": "datetime",
            "key": "│  {icon}  Fetched   │{$3}│{$2}",
            "format": "{year}-{month-pretty}-{day-pretty} {hour-pretty}:{minute-pretty}:{second-pretty} {timezone-name}"
        },
        {
            "type": "locale",
            "key": "│  {icon}  Locale    │{$3}│{$2}"
        },





        {
            "type": "custom",
            "key": "│{#cyan}┌──────────────┬──{$1}┐{#keys}│\u001b[37D",
            "format": "{#bright_cyan} Hardware "
        },
        {
            "type": "chassis",
            "key": "│{#cyan}│ {icon}  Chassis   │{$4}│{#keys}│{$2}"
        },
        {
            "type": "memory",
            "key": "│{#cyan}│ {icon}  RAM       │{$4}│{#keys}│{$2}"
        },
        {
            "type": "swap",
            "key": "│{#cyan}│ {icon}  SWAP      │{$4}│{#keys}│{$2}"
        },
        {
            "type": "cpu",
            "key": "│{#cyan}│ {icon}  CPU       │{$4}│{#keys}│{$2}",
            "showPeCoreCount": true,
            "temp": true
        },
        {
            "type": "gpu",
            "key": "│{#cyan}│ {icon}  GPU       │{$4}│{#keys}│{$2}",
            "temp": true
        },
        {
            "type": "disk",
            "key": "│{#cyan}│ {icon}  Disk      │{$4}│{#keys}│{$2}",
            "format": "{size-used} \/ {size-total} ({size-percentage}) - {filesystem}"
        },
        {
            "type": "battery",
            "key": "│{#cyan}│ {icon}  Battery   │{$4}│{#keys}│{$2}"
        },
        {
            "type": "custom",
            "key": "│{#cyan}└──────────────┴──{$1}┘{#keys}│",
            "format": ""
        },





        {
            "type": "custom",
            "key": "│{#green}┌──────────────┬──{$1}┐{#keys}│\u001b[37D",
            "format": "{#bright_green} Desktop "
        },
        {
            "type": "de",
            "key": "│{#green}│ {icon}  Desktop   │{$4}│{#keys}│{$2}"
        },
        {
            "type": "wm",
            "key": "│{#green}│ {icon}  Session   │{$4}│{#keys}│{$2}"
        },
        {
            "type": "display",
            "key": "│{#green}│ {icon}  Display   │{$4}│{#keys}│{$2}",
            "compactType": "original-with-refresh-rate"
        },
        {
            "type": "gpu",
            "key": "│{#green}│ {icon}  G-Driver  │{$4}│{#keys}│{$2}",
            "format": "{driver}"
        },
        {
            "type": "custom",
            "key": "│{#green}└──────────────┴──{$1}┘{#keys}│",
            "format": ""
        },





        {
            "type": "custom",
            "key": "│{#yellow}┌──────────────┬──{$1}┐{#keys}│\u001b[37D",
            "format": "{#bright_yellow} Terminal "
        },
        {
            "type": "shell",
            "key": "│{#yellow}│ {icon}  Shell     │{$4}│{#keys}│{$2}"
        },
        {
            "type": "terminal",
            "key": "│{#yellow}│ {icon}  Terminal  │{$4}│{#keys}│{$2}"
        },
        {
            "type": "terminalfont",
            "key": "│{#yellow}│ {icon}  Term Font │{$4}│{#keys}│{$2}"
        },
        {
            "type": "terminaltheme",
            "key": "│{#yellow}│ {icon}  Colors    │{$4}│{#keys}│{$2}"
        },
        {
            "type": "packages",
            "key": "│{#yellow}│ {icon}  Packages  │{$4}│{#keys}│{$2}"
        },
        {
            "type": "custom",
            "key": "│{#yellow}└──────────────┴──{$1}┘{#keys}│",
            "format": ""
        },





        {
            "type": "custom",
            "key": "│{#red}┌──────────────┬──{$1}┐{#keys}│\u001b[39D",
            "format": "{#bright_red} Development "
        },
        {
            "type": "command",
            "keyIcon": "",
            "key": "│{#red}│ {icon}  Rust      │{$4}│{#keys}│{$2}",
            "text": "rustc --version | cut -d' ' -f2",
            "format": "rustc {}"
        },
        {
            "type": "command",
            "keyIcon": "",
            "key": "│{#red}│ {icon}  Clang     │{$4}│{#keys}│{$2}",
            "text": "clang --version | head -1 | awk '{print $NF}'",
            "format": "clang {}"
        },
        {
            "type": "command",
            "keyIcon": "",
            "key": "│{#red}│ {icon}  NodeJS    │{$4}│{#keys}│{$2}",
            "text": "node --version",
            "format": "node {~1}"
        },
        {
            "type": "command",
            "keyIcon": "",
            "key": "│{#red}│ {icon}  Go        │{$4}│{#keys}│{$2}",
            "text": "go version | cut -d' ' -f3",
            "format": "go {~2}"
        },
        {
            "type": "command",
            "keyIcon": "",
            "key": "│{#red}│ {icon}  Zig       │{$4}│{#keys}│{$2}",
            "text": "zig version",
            "format": "zig {}"
        },
        {
            "type": "editor",
            "key": "│{#red}│ {icon}  Editor    │{$4}│{#keys}│{$2}"
        },
        {
            "type": "command",
            "keyIcon": "󰊢",
            "key": "│{#red}│ {icon}  Git       │{$4}│{#keys}│{$2}",
            "text": "git version",
            "format": "git {~12}"
        },
        {
            "type": "font",
            "key": "│{#red}│ {icon}  Interface │{$4}│{#keys}│{$2}"
        },
        {
            "type": "custom",
            "key": "│{#red}└──────────────┴──{$1}┘{#keys}│",
            "format": ""
        },





        {
            "type": "custom",
            "key": "│{#magenta}┌──────────────┬──{$1}┐{#keys}│\u001b[36D",
            "format": "{#bright_magenta} Uptime "
        },
        {
            "type": "uptime",
            "key": "│{#magenta}│ {icon}  Uptime    │{$4}│{#keys}│{$2}"
        },
        {
            "type": "users",
            "myselfOnly": true,
            "keyIcon": "",
            "key": "│{#magenta}│ {icon}  Login     │{$4}│{#keys}│{$2}"
        },
        {
            "type": "disk",
            "keyIcon": "",
            "key": "│{#magenta}│ {icon}  OS Age    │{$4}│{#keys}│{$2}",
            "folders": "/",
            "format": "{create-time:10} [{days} days]"
        },
        {
            "type": "custom",
            "key": "│{#magenta}└──────────────┴──{$1}┘{#keys}│",
            "format": ""
        },
        {
            "type": "custom",
            "key": "└───────────────────{$1}┘",
            "format": ""
        },




        "break",
        "colors"
    ]
}

System information

fastfetch -c all.jsonc --stat --format json
[
  {
    "type": "Title",
    "result": {
      "userName": "basher52",
      "fullUserName": "",
      "hostName": "GamerZS6",
      "homeDir": "/home/basher52/",
      "exePath": "/usr/bin/fastfetch",
      "userShell": "/bin/bash"
    },
    "stat": 0.006581999361515045
  },
  {
    "type": "Separator",
    "error": "Unsupported for JSON format",
    "stat": 0.00026400014758110046
  },
  {
    "type": "OS",
    "result": {
      "buildID": "rolling",
      "codename": "",
      "id": "arch",
      "idLike": "",
      "name": "Arch Linux",
      "prettyName": "Arch Linux",
      "variant": "",
      "variantID": "",
      "version": "rolling",
      "versionID": ""
    },
    "stat": 0.026336001232266426
  },
  {
    "type": "Host",
    "error": "neither product_family nor product_name is set by O.E.M.",
    "stat": 0.16731199994683266
  },
  {
    "type": "BIOS",
    "result": {
      "date": "10/16/2012",
      "release": "4.6",
      "vendor": "American Megatrends Inc.",
      "version": "1604",
      "type": "UEFI"
    },
    "stat": 0.03563299961388111
  },
  {
    "type": "Bootmgr",
    "result": {
      "name": "grub-uefi",
      "firmware": "\\EFI\\grub-uefi\\grubx64.efi",
      "order": 2,
      "secureBoot": false
    },
    "stat": 26.926564000546932
  },
  {
    "type": "Board",
    "result": {
      "name": "SABERTOOTH 990FX",
      "vendor": "ASUSTeK COMPUTER INC.",
      "version": "Rev 1.xx",
      "serial": ""
    },
    "stat": 0.04691999964416027
  },
  {
    "type": "Chassis",
    "result": {
      "type": "Desktop",
      "vendor": "",
      "version": "",
      "serial": ""
    },
    "stat": 0.05829400010406971
  },
  {
    "type": "Kernel",
    "result": {
      "architecture": "x86_64",
      "name": "Linux",
      "release": "6.15.4-arch2-1",
      "version": "#1 SMP PREEMPT_DYNAMIC Fri, 27 Jun 2025 16:35:07 +0000",
      "displayVersion": "",
      "pageSize": 4096
    },
    "stat": 0.0014019999653100967
  },
  {
    "type": "InitSystem",
    "result": {
      "name": "systemd",
      "exe": "/usr/lib/systemd/systemd",
      "version": "257.7-1-arch",
      "pid": 1
    },
    "stat": 0.3819869998842478
  },
  {
    "type": "Uptime",
    "result": {
      "uptime": 10417260,
      "bootTime": "2025-07-03T17:13:28.805+0200"
    },
    "stat": 0.03151299990713596
  },
  {
    "type": "Loadavg",
    "result": [
      0.96,
      0.72,
      0.6
    ],
    "stat": 0.01078600063920021
  },
  {
    "type": "Processes",
    "result": 295,
    "stat": 0.28686900064349174
  },
  {
    "type": "Packages",
    "result": {
      "all": 1801,
      "amSystem": 0,
      "amUser": 0,
      "apk": 0,
      "brew": 0,
      "brewCask": 0,
      "choco": 0,
      "dpkg": 0,
      "emerge": 0,
      "eopkg": 0,
      "flatpakSystem": 15,
      "flatpakUser": 0,
      "guixSystem": 0,
      "guixUser": 0,
      "guixHome": 0,
      "hpkgSystem": 0,
      "hpkgUser": 0,
      "linglong": 0,
      "mport": 0,
      "nixDefault": 0,
      "nixSystem": 0,
      "nixUser": 0,
      "opkg": 0,
      "pacman": 1786,
      "pacstall": 0,
      "paludis": 0,
      "pisi": 0,
      "pkg": 0,
      "pkgtool": 0,
      "pkgsrc": 0,
      "qi": 0,
      "macports": 0,
      "rpm": 0,
      "scoop": 0,
      "snap": 0,
      "soar": 0,
      "sorcery": 0,
      "winget": 0,
      "xbps": 0,
      "pacmanBranch": ""
    },
    "stat": 0.9445440005511045
  },
  {
    "type": "Shell",
    "result": {
      "exe": "bash",
      "exeName": "bash",
      "exePath": "/usr/bin/bash",
      "pid": 77756,
      "ppid": 77746,
      "processName": "bash",
      "prettyName": "bash",
      "version": "5.2.37",
      "tty": 4
    },
    "stat": 0.2525509987026453
  },
  {
    "type": "Editor",
    "result": {
      "type": "Editor",
      "name": "vim",
      "path": "/usr/bin/vim",
      "exe": "vim",
      "version": "9.1"
    },
    "stat": 0.33009699918329716
  },
  {
    "type": "Display",
    "result": [
      {
        "id": 0,
        "name": "27G1G4",
        "primary": false,
        "output": {
          "width": 3264,
          "height": 1836,
          "refreshRate": 144.00076545257383
        },
        "scaled": {
          "width": 3264,
          "height": 1836
        },
        "preferred": {
          "width": 1920,
          "height": 1080,
          "refreshRate": 60.0
        },
        "physical": {
          "width": 598,
          "height": 336
        },
        "rotation": 0,
        "bitDepth": 0,
        "hdrStatus": "Unsupported",
        "type": "External",
        "manufactureDate": {
          "year": 2019,
          "week": 39
        },
        "serial": 224456,
        "platformApi": "xcb-randr-crtc"
      }
    ],
    "stat": 3.365861998870969
  },
  {
    "type": "Brightness",
    "result": [
      {
        "name": "27G1G4",
        "max": 100.0,
        "min": 0.0,
        "current": 50.0,
        "builtin": false
      }
    ],
    "stat": 981.7430949993432
  },
  {
    "type": "Monitor",
    "error": "Monitor module is an alias of Display module",
    "stat": 0.0024770013988018036
  },
  {
    "type": "LM",
    "result": {
      "service": "login",
      "type": "TTY",
      "version": ""
    },
    "stat": 0.044178999960422516
  },
  {
    "type": "DE",
    "error": "No DE found",
    "stat": 0.0012289993464946747
  },
  {
    "type": "WM",
    "result": {
      "processName": "awesome",
      "prettyName": "awesome",
      "protocolName": "X11",
      "pluginName": "",
      "version": ""
    },
    "stat": 0.0022359993308782578
  },
  {
    "type": "WMTheme",
    "error": "Unknown WM: awesome",
    "stat": 0.0011390000581741333
  },
  {
    "type": "Theme",
    "result": {
      "theme1": "",
      "theme2": "Arc-Dark [GTK2/3]"
    },
    "stat": 0.0985729992389679
  },
  {
    "type": "Icons",
    "result": {
      "icons1": "",
      "icons2": "candy-icons [GTK2/3]"
    },
    "stat": 0.0012389998883008957
  },
  {
    "type": "Font",
    "result": {
      "display": "Cantarell (11pt) [GTK2/3]",
      "fonts": [
        "",
        "Cantarell (11pt)",
        "Cantarell (11pt)",
        ""
      ]
    },
    "stat": 0.009029999375343323
  },
  {
    "type": "Cursor",
    "result": {
      "theme": "candy-icons",
      "size": ""
    },
    "stat": 0.0032649990171194077
  },
  {
    "type": "Wallpaper",
    "error": "Failed to detect the current wallpaper path",
    "stat": 0.0005429983139038086
  },
  {
    "type": "Terminal",
    "result": {
      "processName": "alacritty",
      "exe": "alacritty",
      "exeName": "alacritty",
      "exePath": "/usr/bin/alacritty",
      "pid": 77746,
      "ppid": 1,
      "prettyName": "alacritty",
      "version": "0.15.1",
      "tty": "/dev/pts/4"
    },
    "stat": 3.6815779991447926
  },
  {
    "type": "TerminalFont",
    "result": {
      "font": {
        "name": "Mononoki Nerd Font",
        "size": "10.0",
        "styles": [],
        "pretty": "Mononoki Nerd Font (10.0pt)"
      },
      "fallback": {
        "name": "",
        "size": "",
        "styles": [],
        "pretty": ""
      }
    },
    "stat": 0.04428299888968468
  },
  {
    "type": "TerminalSize",
    "result": {
      "columns": 162,
      "rows": 95,
      "width": 1620,
      "height": 1805
    },
    "stat": 0.0031540002673864365
  },
  {
    "type": "TerminalTheme",
    "result": {
      "fg": {
        "r": 187,
        "g": 197,
        "b": 255,
        "dark": false
      },
      "bg": {
        "r": 8,
        "g": 10,
        "b": 6,
        "dark": true
      }
    },
    "stat": 0.20480500161647797
  },
  {
    "type": "CPU",
    "result": {
      "cpu": "AMD FX(tm)-8350",
      "vendor": "AuthenticAMD",
      "packages": 1,
      "cores": {
        "physical": 8,
        "logical": 8,
        "online": 8
      },
      "frequency": {
        "base": 4334,
        "max": 0
      },
      "coreTypes": [],
      "temperature": 30.875
    },
    "stat": 0.6773259993642569
  },
  {
    "type": "CPUCache",
    "result": {
      "l1": [
        {
          "size": 16384,
          "num": 8,
          "lineSize": 64,
          "type": "data"
        },
        {
          "size": 65536,
          "num": 4,
          "lineSize": 64,
          "type": "instruction"
        }
      ],
      "l2": [
        {
          "size": 2097152,
          "num": 4,
          "lineSize": 64,
          "type": "unified"
        }
      ],
      "l3": [
        {
          "size": 8388608,
          "num": 1,
          "lineSize": 64,
          "type": "unified"
        }
      ]
    },
    "stat": 1.331784000620246
  },
  {
    "type": "CPUUsage",
    "result": [
      5.0,
      0.0,
      5.263157894736842,
      9.523809523809524,
      5.0,
      0.0,
      5.263157894736842,
      9.523809523809524
    ],
    "stat": 200.21847399882972
  },
  {
    "type": "GPU",
    "result": [
      {
        "index": 0,
        "coreCount": 1280,
        "coreUsage": 10.0,
        "memory": {
          "dedicated": {
            "total": 6358368256,
            "used": 863764480
          },
          "shared": {
            "total": null,
            "used": null
          },
          "type": null
        },
        "driver": "nvidia (proprietary) 575.64.03",
        "name": "NVIDIA GeForce GTX 1060 6GB",
        "temperature": 40.0,
        "type": "Discrete",
        "vendor": "NVIDIA",
        "platformApi": "DRM (card1)",
        "frequency": 1974,
        "deviceId": 1000
      }
    ],
    "stat": 15.738456999883056
  },
  {
    "type": "Memory",
    "result": {
      "total": 16706318336,
      "used": 7490510848
    },
    "stat": 0.019208999350667
  },
  {
    "type": "PhysicalMemory",
    "error": "Failed to get SMBIOS data",
    "stat": 0.009298000484704971
  },
  {
    "type": "Swap",
    "result": [
      {
        "name": "/swapfile",
        "used": 0,
        "total": 1073737728
      }
    ],
    "stat": 0.01626400090754032
  },
  {
    "type": "Disk",
    "result": [
      {
        "bytes": {
          "available": 13170143232,
          "free": 18018758656,
          "total": 94524579840,
          "used": 76505821184
        },
        "files": {
          "total": 5898240,
          "used": 858772
        },
        "filesystem": "ext4",
        "mountpoint": "/",
        "mountFrom": "/dev/sda2",
        "name": "root",
        "volumeType": [
          "Regular"
        ],
        "createTime": "2023-09-19T22:59:23.000+0200"
      },
      {
        "bytes": {
          "available": 70357553152,
          "free": 89521422336,
          "total": 375784960000,
          "used": 286263537664
        },
        "files": {
          "total": 23379968,
          "used": 561104
        },
        "filesystem": "ext4",
        "mountpoint": "/home",
        "mountFrom": "/dev/sda3",
        "name": "home",
        "volumeType": [
          "Regular"
        ],
        "createTime": "2023-09-19T22:59:39.000+0200"
      },
      {
        "bytes": {
          "available": 43274354688,
          "free": 1043464749056,
          "total": 19689323470848,
          "used": 18645858721792
        },
        "files": {
          "total": 1220919296,
          "used": 343967
        },
        "filesystem": "fuse.sshfs",
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    "type": "Zpool",
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    "stat": 0.20070799998939037
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  {
    "type": "Battery",
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  {
    "type": "PowerAdapter",
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  {
    "type": "Player",
    "error": "Player module is an alias of Media module",
    "stat": 0.0005949996411800385
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  {
    "type": "Media",
    "error": "No media found",
    "stat": 1.1534080002456903
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  {
    "type": "PublicIp",
    "result": {
      "ip": "x.x.x.x",
      "location": "xx"
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  {
    "type": "LocalIp",
    "result": [
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        "name": "enp6s0",
        "defaultRoute": true,
        "ipv4": "192.166.66.60/24",
        "ipv6": "",
        "mac": "10:bf:48:83:a7:e9",
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        "flags": "UP,BROADCAST,RUNNING,MULTICAST,LOWER_UP"
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    "stat": 0.13907189511372206
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  {
    "type": "DNS",
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      "1.0.0.1"
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  {
    "type": "Wifi",
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    "stat": 0.00630900077521801
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  {
    "type": "Locale",
    "result": "en_US.UTF-8",
    "stat": 0.0014420002698898315
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  {
    "type": "Vulkan",
    "result": {
      "apiVersion": "1.4.303",
      "conformanceVersion": "1.4",
      "driver": "NVIDIA [575.64.03]",
      "gpus": [
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          "vendor": "NVIDIA",
          "name": "NVIDIA GeForce GTX 1060 6GB",
          "driver": "575.64.03",
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          "deviceId": 7171,
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              "total": 6700400640,
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            },
            "shared": {
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          },
          "deviceId": 7171
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    "stat": 43.476785998791456
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  {
    "type": "OpenGL",
    "error": "Fastfetch was built without gl support.",
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          },
          "deviceId": 94773200078128
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      ]
    },
    "stat": 15.569020001217723
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  {
    "type": "Users",
    "result": [],
    "stat": 0.02445799857378006
  },
  {
    "type": "Bluetooth",
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        "connected": true,
        "name": "Philips PH805BK",
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      },
      {
        "address": "00:1F:20:E3:22:56",
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        "connected": true,
        "name": "Logitech Keyboard K480",
        "type": "input-keyboard"
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    ],
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  {
    "type": "BluetoothRadio",
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        "name": "GamerZS6",
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        "lmpSubversion": null,
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        "enabled": true,
        "discoverable": false,
        "connectable": true
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    ],
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  {
    "type": "Sound",
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        "active": true,
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        "identifier": "alsa_output.pci-0000_01_00.1.hdmi-stereo",
        "platformApi": "pulseaudio 17.0-43-g3e2bb"
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        "active": true,
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    "type": "Camera",
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  {
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  {
    "type": "NetIO",
    "result": [
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        "defaultRoute": true,
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      {
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      {
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      },
      {
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        "devPath": "/dev/sda",
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        "kind": "SSD",
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    ],
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  {
    "type": "TPM",
    "error": "TPM device is not found",
    "stat": 0.005237000063061714
  },
  {
    "type": "Version",
    "result": {
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      "compileTime": "Jul  3 2025, 08:40:06",
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      "libc": "glibc 2.41"
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  {
    "type": "Break",
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    "stat": 0.00036999955773353577
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  {
    "type": "Colors",
    "error": "Unsupported for JSON format",
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]

Features built-in

fastfetch --list-features
threads
vulkan
wayland
xcb-randr
xrandr
drm
drm_amdgpu
gio
dconf
dbus
imagemagick7
chafa
zlib
xfconf
sqlite3
opencl
libpulse
libddcutil
libelf
libzfs
Directx Headers
System yyjson
linux/videodev2
linux/wireless

[CarterLi]

You should read https://github.com/fastfetch-cli/fastfetch/wiki/Format-String-Guide carefully before touching complex configurations if you didn't.

then saw that '{$1}' value seemed to have a length into it to extend this automatically

$1 is "──────────────────────────────────────────────". See https://github.com/fastfetch-cli/fastfetch/wiki/Format-String-Guide#constants-and-environment-variables

Is there a way to fix this or is it only a manual patch in the json file to fix this.

That is all static and must be fixed manually.

don't know why as the original 25.json works when in the original place.

If you use .json extension, the file will be parsed in JSON strict mode, which doesn't support comments, trailing comma, etc. You should use .jsonc instead.