Whether Luis v. United States, 136 S. Ct. 1083 (2016) is retroactively applicable to cases on collateral review?

Whether under Slack v. McDaniel, 529 U.S. 473, 483-84 (2000) a petitioner for a certificate of appealability (COA) makes a sufficient showing that reasonable jurists could debate or agree that the issue at hand should have been relvd. in a different manner or that the issues presented were adequate to deserve encouragement to proceed further; when a new pronouncement by the Supreme Court is urged to be retroactive and applicable to collateral review under Teague v. Lane, 489 U.S. 288 (1989)?

Whether an explicit announcement of retroactivity by the Supreme Court is required under 28 U.S.C. § 2255(f)(3) or whether Teague v. Lane, 489 U.S. 288 (1989) and its progeny define and determine when a new rule announced by the Supreme Court is retroactively applicable to collateral review?

Whether Luis v. United States is retroactively applicable to cases on collateral review