How to finally get rid of black triangles in themes for oh-my-posh in latest WT Preview?

[carpet92]

If I got it correctly then there is info about fix the #7014 bug in changelog for 1.15.1862.0:

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• We no longer suppress black blackground or gray foreground for PowerShell (Disable the VT color quirk for pwsh and modern inbox powershell #13352)
  • We have chosen to remove this workaround as newer versions of PowerShell's PSReadline component contain a fix for the issue.
  • This was a compatibility band-aid that was impacting the capabilities of great projects such as Oh My Posh.
  • ❗ If you see unexpected black backgrounds appearing behind text while typing a command in PowerShell, make sure your PSReadline version is up to date. You can update your version of PSReadline by running the command, Update-Module PSReadline.

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Well, I have installed PSReadLine 2.2.6 by Install-Module -Name PSReadline -Force for PowerShell 7.2.5. But for me the issue is still reproduces on the latest 1.15.1862.0.

Related discussion in oh-my-posh repository: JanDeDobbeleer/oh-my-posh#2555

Maybe I have to do something on my end in WT config to fix that behavior? How to fix the issue as it looks done in this #7014 (comment) comment?

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Setup:

Windows Terminal Preview 1.15.1862.0 
PowerShell 7.2.5
PSReadLine 2.2.6
oh-my-posh 8.20.1
Hack Nerd Font (same happens with CaskaydiaCove Nerd Font)

Terminal-Icons 0.10.0

$PROFILE:

clear
oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH\agnoster.omp.json" | Invoke-Expression
Import-Module Terminal-Icons
New-Alias code code-insiders

settings.json - https://pastebin.com/raw/pUghg5QZ

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Edit: it surely fixed the #13513 but not black triangles/themes.

[zadjii-msft]

/cc @DHowett

[DHowett]

So right now, we don't have a good fix for issue #7014, but it's coming up pretty soon as something the new text rendering engine should handle. I'm pretty excited, so watch this space. Sorry we don't have a better answer right now.

[divado]

Don't want to be pushy, but are there any updates on the issue?

[zadjii-msft]

There haven't been any updates in that thread, so there hasn't been any progress.