[Breaking Change] Deprecations expiring after v3.13 release

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Kate Lovett

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Aug 23, 2023, 2:09:54 PM8/23/23

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Hello everyone,

I hope you are enjoying the latest release of Flutter 3.13.

As per usual, with a new release comes a new batch of deprecations that have reached end of life.

Please see flutter.dev/go/deprecations-removed-after-3-13 for the next set of APIs that are scheduled to be removed before the next stable release in accordance with our Deprecation Policy.

I am pleased to share that many already have Flutter fixes available on the stable channel, as well as migration guides on the website, to assist migrating to the newer APIs.

Of note this cycle, many deprecations in this round from flutter_test are from TestWindow, which itself is entirely deprecated in preparation for multi-window support. While the deprecation timeframe on TestWindow has not yet elapsed, migrating some of the expired properties this cycle will be excellent preparation for fully migrating off of TestWindow. I would recommend taking the time to review the migration guide as a head start for the future change that will remove TestWindow.