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bug(table): sticky cell bottom border disappear #30753

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@sdedieu

Description

@sdedieu

Is this a regression?

  • Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

mat-table cells inside sticky column can have their bottom border not showing depending on screen resolution and other cells content.

The issue seems to occurs whenever a content inside another cell is on multiple lines.

Reproduction

StackBlitz link: https://stackblitz.com/edit/ck7hvid5-de9nrqus?file=src%2Fexample%2Ftable-sticky-columns-example.html,src%2Fexample%2Ftable-sticky-columns-example.ts

Expected Behavior

Image

Actual Behavior

Image

Environment

Angular CLI: 19.2.0
Node: 18.20.3
Package Manager: npm 10.2.3
OS: linux x64

Angular: 19.2.0
... animations, cli, common, compiler, compiler-cli, core, forms
... localize, platform-browser, platform-browser-dynamic, router

Package Version

@angular-devkit/architect 0.1902.0
@angular-devkit/build-angular 19.2.0
@angular-devkit/core 19.2.0
@angular-devkit/schematics 19.2.0
@angular/cdk 19.2.1
@angular/material 19.2.1
@angular/material-moment-adapter 19.2.1
@schematics/angular 19.2.0
rxjs 7.4.0
typescript 5.8.2
zone.js 0.15.0

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    P3An issue that is relevant to core functions, but does not impede progress. Important, but not urgentarea: material/table

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