René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Write-Host renders `IDictionary` inconsistently depending on if the value is piped in","articleBody":"### Prerequisites\n\n- [X] Write a descriptive title.\n- [X] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)\n- [X] Search the existing issues.\n- [X] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).\n- [X] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://learn.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).\n\n### Steps to reproduce\n\n`Write-Host` renders an instance of `Dictionary` inconsistently depending on how the value is passed in: `Write-Host $d` vs. `$d | Write-Host`.\r\n\r\n```powershell\r\n$d = [System.Collections.Generic.Dictionary[string,string]]::new()\r\n$d.Add('abc', 'def')\r\n$d.Add('hhh', 'nnn')\r\n\r\nWrite-Host $d\r\n\u003e [abc, def] [hhh, nnn]\r\n\r\n$d | Write-Host\r\n\u003e System.Collections.Generic.Dictionary`2[System.String,System.String]\r\n```\n\n### Expected behavior\n\n```console\nThe rendering result should be consistent.\n```\n\n\n### Actual behavior\n\n```console\n## Not consistent.\r\n\r\nWrite-Host $d\r\n\u003e [abc, def] [hhh, nnn]\r\n\r\n$d | Write-Host\r\n\u003e System.Collections.Generic.Dictionary`2[System.String,System.String]\n```\n\n\n### Error details\n\n```console\nN/A\n```\n\n\n### Environment data\n\n```powershell\nName                           Value\r\n----                           -----\r\nPSVersion                      7.4.6\r\nPSEdition                      Core\r\nGitCommitId                    7.4.6\r\nOS                             Microsoft Windows 10.0.26100\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\n```\n\n\n### Visuals\n\n_No response_","author":{"url":"https://github.com/daxian-dbw","@type":"Person","name":"daxian-dbw"},"datePublished":"2024-12-12T23:24:48.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/24671/PowerShell/issues/24671"}