#33829·components

sidenav: Unable to understand the usage of autosize attribute. It shows no change if applied

Author: naiduraaCreated Sep 17, 2026Updated Sep 17, 2026
Labelsneeds triagearea: material/sidenavgemini-triaged

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

when autosize attribute is added, there are no examples which shows what difference it shows.

Reproduction

StackBlitz link: https://stackblitz.com/run?file=src%2Fexample%2Fsidenav-autosize-example.ts&startScript=start Steps to reproduce:

  1. No difference seen, when we add or when we remove the autosize attribute

Expected Behavior

Demo an example which shows an actual difference in its usage

Actual Behavior

Demo an example which shows an actual difference in its usage

Environment

  • Angular: 20+
  • CDK/Material: 20+
  • Browser(s): chrome
  • Operating System (e.g. Windows, macOS, Ubuntu): windows