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It is slow to load when you install custom themes. When you try to open a tab/new tab it takes a long time. #11725

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opened 2026-01-31 02:55:47 +00:00 by claunia · 7 comments
claunia commented 2026-01-31 02:55:47 +00:00
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Originally created by @hirwablessing on GitHub (Dec 8, 2020).

Environment

Windows build number: [run `[Environment]::OSVersion` for powershell, or `ver` for cmd]
Windows Terminal version (if applicable):

Any other software?

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Expected behavior

Actual behavior

Originally created by @hirwablessing on GitHub (Dec 8, 2020). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 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: [run `[Environment]::OSVersion` for powershell, or `ver` for cmd] Windows Terminal version (if applicable): Any other software? ``` # Steps to reproduce <!-- A description of how to trigger this bug. --> # Expected behavior <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> # Actual behavior <!-- What's actually happening? -->
claunia commented 2026-01-31 02:55:49 +00:00
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@Don-Vito commented on GitHub (Dec 8, 2020):

@hirwablessing - I guess the team will need more details, as I am using custom themes and the terminal works quite as usual. Can you please provide some more details, like:

  • The version of the terminal
  • The theme that you are using.
  • With what profile.
  • How slow it is (approximately in second, compared to the same profile without a theme)?
@Don-Vito commented on GitHub (Dec 8, 2020): @hirwablessing - I guess the team will need more details, as I am using custom themes and the terminal works quite as usual. Can you please provide some more details, like: * The version of the terminal * The theme that you are using. * With what profile. * How slow it is (approximately in second, compared to the same profile without a theme)?
claunia commented 2026-01-31 02:55:49 +00:00
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@hirwablessing commented on GitHub (Dec 8, 2020):

Sometimes it works well and other times it works slowly. When it slows down it takes about 5 seconds to open a new tab while in it's normal state it only takes 1 second.

Terminal version: 1.4.3243.0
Theme: Paradox
colorScheme: One half dark
fontFace: Cascadia Mono PL,
Profile: powershell.exe

@hirwablessing commented on GitHub (Dec 8, 2020): Sometimes it works well and other times it works slowly. When it slows down it takes about 5 seconds to open a new tab while in it's normal state it only takes 1 second. Terminal version: 1.4.3243.0 Theme: Paradox colorScheme: One half dark fontFace: Cascadia Mono PL, Profile: powershell.exe
claunia commented 2026-01-31 02:55:49 +00:00
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@skyline75489 commented on GitHub (Dec 8, 2020):

Do note that CPU is a valuable resource. If there are some CPU-consuming tasks running in the background, it could reasonably lead to slow startup time in the terminal.

@skyline75489 commented on GitHub (Dec 8, 2020): Do note that CPU is a valuable resource. If there are some CPU-consuming tasks running in the background, it could reasonably lead to slow startup time in the terminal.
claunia commented 2026-01-31 02:55:50 +00:00
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@zadjii-msft commented on GitHub (Dec 8, 2020):

Does this happen for all profiles, or just the powershell profile?

@zadjii-msft commented on GitHub (Dec 8, 2020): Does this happen for _all_ profiles, or just the powershell profile?
claunia commented 2026-01-31 02:55:50 +00:00
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@hirwablessing commented on GitHub (Dec 8, 2020):

Only powershell.

@hirwablessing commented on GitHub (Dec 8, 2020): Only powershell.
claunia commented 2026-01-31 02:55:50 +00:00
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@zadjii-msft commented on GitHub (Dec 8, 2020):

That sure sounds like it's a powershell problem then, right? PowerShell is known to have a fairly long startup. Do you have any other powershell config in your powershell profile (Profile.ps1)?

You might want to try starting powershell with -noprofile or -nologo, those can help speed up the launch of powershell.

@zadjii-msft commented on GitHub (Dec 8, 2020): That sure sounds like it's a powershell problem then, right? PowerShell is known to have a fairly long startup. Do you have any other powershell config in your powershell profile (`Profile.ps1`)? You might want to try starting powershell with `-noprofile` or `-nologo`, those can help speed up the launch of powershell.
claunia commented 2026-01-31 02:55:50 +00:00
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@hirwablessing commented on GitHub (Dec 8, 2020):

Okay sure, I'll try that one. And thanks for all the help.

@hirwablessing commented on GitHub (Dec 8, 2020): Okay sure, I'll try that one. And thanks for all the help.
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Reference: starred/terminal#11725
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