From 9e508973f7c7fbb35ea5731c3f414d7441cfe4bf Mon Sep 17 00:00:00 2001 From: Dongbo Wang Date: Fri, 13 Feb 2026 16:28:12 -0800 Subject: [PATCH] [release/v7.5] Mirror .NET/runtime ICU version range in PowerShell (#26821) --- tools/packaging/packaging.psm1 | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/tools/packaging/packaging.psm1 b/tools/packaging/packaging.psm1 index 61e47ae9b0..05ce0ff715 100644 --- a/tools/packaging/packaging.psm1 +++ b/tools/packaging/packaging.psm1 @@ -2113,6 +2113,22 @@ function Get-PackageDependencies # These should match those in the Dockerfiles, but exclude tools like Git, which, and curl $Dependencies = @() + + # ICU version range follows .NET runtime policy. + # See: https://github.com/dotnet/runtime/blob/3fe8518d51bbcaa179bbe275b2597fbe1b88bc5a/src/native/libs/System.Globalization.Native/pal_icushim.c#L235-L243 + # + # Version range rationale: + # - The runtime supports ICU versions >= the version it was built against + # and <= that version + 30, to allow sufficient headroom for future releases. + # - ICU typically releases about twice per year, so +30 provides roughly + # 15 years of forward compatibility. + # - On some platforms, the minimum supported version may be lower + # than the build version and we know that older versions just works. + # + $MinICUVersion = 60 # runtime minimum supported + $BuildICUVersion = 76 # current build version + $MaxICUVersion = $BuildICUVersion + 30 # headroom + if ($Distribution -eq 'deb') { $Dependencies = @( "libc6", @@ -2120,10 +2136,9 @@ function Get-PackageDependencies "libgssapi-krb5-2", "libstdc++6", "zlib1g", - "libicu76|libicu74|libicu72|libicu71|libicu70|libicu69|libicu68|libicu67|libicu66|libicu65|libicu63|libicu60|libicu57|libicu55|libicu52", + (($MaxICUVersion..$MinICUVersion).ForEach{ "libicu$_" } -join '|'), "libssl3|libssl1.1|libssl1.0.2|libssl1.0.0" ) - } elseif ($Distribution -eq 'rh') { $Dependencies = @( "openssl-libs",