PowerShell 7.5.0 .deb package fails to install on U/Kubuntu 25.04 due to unsupported libicu76

### Prerequisites

- [x] Write a descriptive title.
- [x] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)
- [x] Search the existing issues.
- [x] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).
- [x] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://learn.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).

### Steps to reproduce

1. Download `powershell_7.5.0-1.deb_amd64.deb` from GitHub Releases.
2. On a fresh Kubuntu 25.04 system, run:
sudo dpkg -i powershell_7.5.0-1.deb_amd64.deb
3. Observe dependency error related to `libicu`:
> powershell depends on libicu74 | libicu72 | ... | libicu52; however: Package libicu76 is not installed.

### Expected behavior

```console
PowerShell should detect and accept `libicu76` as a valid dependency, or relax the dependency version check to allow installation on newer systems.
```

### Actual behavior

```console
The installer fails due to strict version matching, even though `libicu76` is installed and PowerShell runs fine when forced to install.
```

### Error details

```console
dpkg: dependency problems prevent configuration of powershell:
 powershell depends on libicu74 | libicu72 | ... | libicu52; however:
  Package libicu76 is not installed.
```

### Environment data

```powershell
$PSVersionTable

Unable to launch PowerShell due to failed installation.
System: Kubuntu 25.04
Installed ICU: libicu76:amd64 76.1-1ubuntu2
```

### Visuals

```
munawar@kubuntu:~$ sudo dpkg -i powershell_7.5.0-1.deb_amd64.deb
Selecting previously unselected package powershell.
(Reading database ... 243113 files and directories currently installed.)
Preparing to unpack powershell_7.5.0-1.deb_amd64.deb ...
Unpacking powershell (7.5.0-1.deb) ...
dpkg: dependency problems prevent configuration of powershell:
 powershell depends on libicu74 | libicu72 | libicu71 | libicu70 | libicu69 | libicu68 | libicu67 | libicu66 | libicu65 | libicu63 | libicu60 | libicu57 | libicu55 | libicu52; however:
  Package libicu74 is not installed.
  Package libicu72 is not installed.
  Package libicu71 is not installed.
  Package libicu70 is not installed.
  Package libicu69 is not installed.
  Package libicu68 is not installed.
  Package libicu67 is not installed.
  Package libicu66 is not installed.
  Package libicu65 is not installed.
  Package libicu63 is not installed.
  Package libicu60 is not installed.
  Package libicu57 is not installed.
  Package libicu55 is not installed.
  Package libicu52 is not installed.

dpkg: error processing package powershell (--install):
 dependency problems - leaving unconfigured
Processing triggers for man-db (2.13.0-1) ...
Errors were encountered while processing:
 powershell
munawar@kubuntu:~$ dpkg -l | grep libicu
ii  libicu76:amd64                                      76.1-1ubuntu2                              amd64        International Components for Unicode
munawar@kubuntu:~$ 

```

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Uh oh!

PowerShell 7.5.0 .deb package fails to install on U/Kubuntu 25.04 due to unsupported libicu76 #25415

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Uh oh!

PowerShell 7.5.0 .deb package fails to install on U/Kubuntu 25.04 due to unsupported libicu76 #25415

Description

Prerequisites

Steps to reproduce

Expected behavior

Actual behavior

Error details

Environment data

Visuals

Metadata

Metadata

Assignees

Labels

Type

Fields

Projects

Milestone

Relationships

Development

Issue actions