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UP arrow does not work in R session #3793

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opened 2026-01-30 23:30:17 +00:00 by claunia · 0 comments
claunia commented 2026-01-30 23:30:17 +00:00
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Originally created by @gcaillaut on GitHub (Sep 9, 2019).

Originally assigned to: @zadjii-msft on GitHub.

Environment

Windows build number: Microsoft Windows NT 10.0.18362.0
Windows Terminal version (if applicable): 0.4.2382.0

Any other software?
Powershell 6.2.1 or Powershell 5.1
R 3.6.1

Steps to reproduce

Open a R session then type any expression and evaluate it. Then the up arrow should retrieve older commands in the history.

Expected behavior

The up arrow should retrieve older commands in the history.

Actual behavior

The up arrow does nothing, even if the R history is in an expected state as showed by the history() function.

This bug occurs only in "Windows based" terminal, such as powershell and cmd, executed by Windows Terminal. This bug does not exist if R is run inside the old terminal. This bug does not exist either if R is running inside a ssh session inside powershell.

Windows Terminal -> Powershell -> R -> Bug
Windows Terminal -> CMD-> R -> Bug
Windows Terminal -> WSL Ubuntu 18.04 -> R -> Bug
Old terminal -> Powershell -> R -> No bug
Old terminal -> CMD -> R -> No bug
Windows Terminal -> Powershell -> SSH into a linux host -> R -> No bug

Originally created by @gcaillaut on GitHub (Sep 9, 2019). Originally assigned to: @zadjii-msft on GitHub. <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none Windows build number: Microsoft Windows NT 10.0.18362.0 Windows Terminal version (if applicable): 0.4.2382.0 Any other software? Powershell 6.2.1 or Powershell 5.1 R 3.6.1 ``` # Steps to reproduce <!-- A description of how to trigger this bug. --> Open a [R](https://cran.r-project.org/index.html) session then type any expression and evaluate it. Then the up arrow should retrieve older commands in the history. # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> The up arrow should retrieve older commands in the history. # Actual behavior <!-- What's actually happening? --> The up arrow does nothing, even if the R history is in an expected state as showed by the `history()` function. This bug occurs only in "Windows based" terminal, such as powershell and cmd, executed by Windows Terminal. This bug does not exist if R is run inside the *old* terminal. This bug does not exist either if R is running inside a ssh session inside powershell. Windows Terminal -> Powershell -> R -> Bug Windows Terminal -> CMD-> R -> Bug Windows Terminal -> WSL Ubuntu 18.04 -> R -> Bug Old terminal -> Powershell -> R -> No bug Old terminal -> CMD -> R -> No bug Windows Terminal -> Powershell -> SSH into a linux host -> R -> No bug
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Reference: starred/terminal#3793
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