1. Rishi Sunak Urged to Maintain Graduate Visa Scheme: The article highlights that Rishi Sunak, the UK's new Prime Minister, has been urged to maintain the graduate visa scheme, which allows international students to stay in the UK for up to two years after completing their studies. This scheme is seen as crucial for attracting top talent and ensuring the UK remains competitive in the global market for highly skilled workers.

2. Concerns over Potential Changes to Immigration Policies: The article mentions that there are concerns that Sunak may consider tightening immigration policies, which could negatively impact the UK's ability to attract and retain international students and skilled workers. This is seen as a potential threat to the country's economic growth and competitiveness.

3. Importance of Retaining Skilled Talent: The article highlights the importance of retaining skilled talent in the UK, particularly in the tech and science sectors. Maintaining the graduate visa scheme is seen as crucial for ensuring the UK can continue to attract and retain the best and brightest talent from around the world, which is essential for driving innovation and economic prosperity.