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Remove obsolete vendor-prefixed CSS properties#5546

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bonanitech wants to merge 1 commit intonode-red:masterfrom
bonanitech:remove-obsolete-css-properties
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Remove obsolete vendor-prefixed CSS properties#5546
bonanitech wants to merge 1 commit intonode-red:masterfrom
bonanitech:remove-obsolete-css-properties

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@bonanitech
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  • Bugfix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)

Proposed changes

Remove obsolete vendor-prefixed 'transition', 'transform', 'box-sizing', and 'box-shadow' CSS properties.

The versions of these properties without a prefix have been supported by the major browsers for years.

https://caniuse.com/?search=transition

https://caniuse.com/?search=transform

https://caniuse.com/css3-boxsizing

https://caniuse.com/css-boxshadow

I tested this on a Mac using Chrome, Safari, and Firefox and found no issues. Please test it in other browsers and operating systems before considering merging this PR.

Checklist

  • I have read the contribution guidelines
  • For non-bugfix PRs, I have discussed this change on the forum/slack team.
  • I have run npm run test to verify the unit tests pass
  • I have added suitable unit tests to cover the new/changed functionality

@dceejay
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dceejay commented Mar 9, 2026

according to those can-i-use pages the ones you have removed are indeed well supported at least 2 generations back, so if this is targeted at v5 then I see no reason not to merge this.

@bonanitech
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Replaced by #5554.

@bonanitech bonanitech closed this Mar 10, 2026
@bonanitech bonanitech deleted the remove-obsolete-css-properties branch March 10, 2026 15:12
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2 participants