The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Nullability of type of parameter 'value' doesn't match overridden member (possibly because of nullability attributes).

Possible null reference argument for parameter 'format' in 'string string.Format(string format, object? arg0, object? arg1)'.

Possible null reference argument for parameter 'format' in 'string string.Format(string format, object? arg0)'.

Possible null reference argument for parameter 'format' in 'string string.Format(string format, object? arg0, object? arg1, object? arg2)'.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'sender' of 'void AutoUpdater.BackgroundWorkerDoWork(object sender, DoWorkEventArgs e)' doesn't match the target delegate 'DoWorkEventHandler' (possibly because of nullability attributes).

Non-nullable field '_tempFile' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Non-nullable field '_webClient' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Nullability of reference types in type of parameter 'sender' of 'void DownloadUpdateDialog.WebClientOnDownloadFileCompleted(object sender, AsyncCompletedEventArgs asyncCompletedEventArgs)' doesn't match the target delegate 'AsyncCompletedEventHandler' (possibly because of nullability attributes).