Logging incorrectly uses CurrentCulture when formatting IEnumerable values

[ArturDorochowicz]

Description

Logging incorrectly uses CurrentCulture when formatting IEnumerable values.

Reproduction Steps

dotnet new console
dotnet add package Microsoft.Extensions.Logging
dotnet add package Microsoft.Extensions.Logging.Console

Change Program.cs to:

using System.Globalization;
using Microsoft.Extensions.Logging;

CultureInfo.DefaultThreadCurrentCulture = new CultureInfo("pl-PL");

using var lf = LoggerFactory.Create(b => b.AddConsole());
var l = lf.CreateLogger<Program>();

var values = new object[] { new DateTime(), 3.14 };

l.LogInformation("ok: {P1} {P2}", values);
l.LogInformation("wrong: {Values}", [values]);

Run with dotnet run which prints:

info: Program[0]
      ok: 01/01/0001 00:00:00 3.14
info: Program[0]
      wrong: 1.01.0001 00:00:00, 3,14

Expected behavior

Both log lines should have the same formatting.

Actual behavior

Values in the second log entry are formatted with CurrentCulture (here pl-PL).

Regression?

No response

Known Workarounds

No response

Configuration

No response

Other information

Using Microsoft.Extensions.Logging 9.0.6

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