4.1.0 Hydrogen

Bug Fixes

• angular: fix adding @ionic/angular when using ng add (#17597) (484d92c), closes #17596
• animation: fix header flicker on ios (#17422) (ad20bd6)
• css: add the missing css classes to flex and float utils (#17570) (c49276c), closes #17569
• fab: disabled fab button no longer opens fab list (#17620) (c475dab)
• img: remove space under img (#17582) (621c79b)
• item: slotted ion-icon receives custom color (#17585) (14dd871)
• item-sliding: no longer close all open items when deleting an item (#17579) (3de7795)
• loading: add backdropDismiss to the interface (#17668) (28fd75e), closes #17369
• popover: update placement per md spec (#17429) (a99d179)
• range: clamp values that are out of bounds (#17623) (5a197ca)
• refresher: check for cancelable before preventing default (#17351) (f205b10), closes #15256
• reorder: allow sliding items to be reordered (#17568) (3b331b5)
• ssr: fix angular global window and document references (f44c17e)
• ssr: fix global window and document references (#17590) (4646f53)
• vue: correct passing of props and data to components (#17188) (2ce4940)

Features

• checkbox: implement indeterminate state (#16951) (c641ae1), closes #16943
• css: add CSS display utilities (#17359) (6bea9d3), closes #10904
• select: add compareWith property (#17358) (69ecebb)
• skeleton-text: adds animated prop and support for CSS styling (#17612) (d66b12b), closes ionic-team/ionic-docs#407