This release fixes several bugs and adds Trusted Types support:

Fixed bugs:

• foreach doubles last entries under certain circumstances #2594, #2514
• Error calling bindingEvent.subscribe before applyBindings #2584
• Unmatched closing virtual element throws error in production #2582
• Template binding regression: empty string value throws error #2534
• IE11: activeElement in IFrame fails rendering #2531
• Select change event fires before value is updated in 3.5.1 #2530
• beforeRemove callback index is always 0 #2560
• Exception when binding propertychange event in non-IE browser #2548
• Use of reserved word breaking IE <= 8 compatibility #2503
• ko.cleanNode doesn't remove addEventListener handlers #2314
• checked binding crashes with null/undefined array #2309
• foreach descendant bindings evaluated on removal #2305
• Infinite recursion in circular pure computeds #2154

New features:

• Trusted Types support #2579
• Preserve bigint and symbol in ko.toJS #2612

TypeScript:

• Type information lost when retrieving Subscribable<T> value #2555
• Separate readonly and writable computed types (ReadonlyObservable, ReadonlyObservableArray, ReadonlyComputed) #2482