Changes since 23.2.3
Fixes
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Attach polymer binding callback to a promise that always resolves (#14729)
Commit · Pull request · IssuePolymer binding callback was attached to the promise returned by customElements.whenDefined, but this promise may never complete if the input element is not a custom element, causing memory leaks on browser because of element capture. This change introduces a new promise that completes either when whenDefined is fulfilled or after a fixed timeout, allowing the garbage collector to clean resources.
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Ignore nonexistent nodes during resync (#14749)
Commit · Pull request · Issues 14232, 14470Ignore changes for nodes that are not available in the tree when a resync is underway. This will get the page to a working condition after a resync as all changes for existing nodes are executed.