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<!-- Please do not submit updates to dependencies unless it fixes an issue. --> <!-- Please try to limit your pull request to one type (bugfix, feature, etc). Submit multiple pull requests if needed. --> ## What is the current behavior? <!-- Please describe the current behavior that you are modifying. --> The existing grid component (`ion-grid`, `ion-row`, and `ion-col`) in Ionic was developed several years ago and has not received significant updates since then. As a result, it does not leverage modern CSS features. For example, the gutter (spacing) between columns is implemented using the border property, which is an outdated technique. ## What is the new behavior? <!-- Please describe the behavior or changes that are being added by this PR. --> - `--ion-grid-gap`: this new CSS variable, will indicate the gap size in the grid. Defaults to `0px` - the current value. - `ion-col`: has a new way to calculate the width of the column. Additionally a new property `order` (and responsive variants) was added, and will control the order of the column. - `ion-row`: uses the newly introduced custom property `--ion-grid-gap`. This property will indicate the gap size in the grid. ## Does this introduce a breaking change? - [x] Yes - [ ] No <!-- If this introduces a breaking change: 1. Describe the impact and migration path for existing applications below. 2. Update the BREAKING.md file with the breaking change. 3. Add "BREAKING CHANGE: [...]" to the commit description when merging. See https://github.com/ionic-team/ionic-framework/blob/main/docs/CONTRIBUTING.md#footer for more information. --> The properties `pull` and `push` from `ion-col`, have been removed. The functionality achieved with them, is now achieved with the new property `order` and the existing `size`. More information and migration examples can be read in `BREAKING.md` file. ## Other information <!-- Any other information that is important to this PR such as screenshots of how the component looks before and after the change. --> --------- Co-authored-by: Brandy Smith <6577830+brandyscarney@users.noreply.github.com> Co-authored-by: Brandy Smith <brandyscarney@users.noreply.github.com> Co-authored-by: ionitron <hi@ionicframework.com> Co-authored-by: Shane <shane@shanessite.net>