Apple Inc. is undergoing a rare shake-up of its executive ranks, aiming to get its artificial intelligence efforts back on track after months of delays and stumbles, according to people familiar with the situation.

Apple is shaking up its executive ranks to get its AI efforts back on track after months of delays, Bloomberg News reported on Thursday citing people familiar with the situation.

Some AI improvements to voice assistant Siri will be delayed until 2026, Apple had said earlier this month without giving any reason for the delays.