If I was still living in the UK as an Irish citizen born in the republic, I would be applying for Settled Status as a precautionary measure. The Common Travel Agreement is not reliable and given the attitude of the current Tory govt towards Ireland, I would not rely on anything that was not written in stone.
The writer is a Northern Irish born woman who has only ever held an Irish passport (as is her right) and is now being told she has to renounce British citizenship she never had to access EU rights. The article is worth reading in full, but below are the bits that most concern people born in the republic.
medium.com/@ecklewchuk/the-uk-government-is-creating-a-tiered-system-for-irish-citizens-heres-how-b91c3459e09
the Common Travel Area is not the magic fix all wand that some would like Irish citizens to believe.
Firstly, and unlike the EU settlement scheme, the Common Travel Area is not legally binding. It’s a political agreement that does not provide EU rights and entitlements. It’s worth adding the Ireland Act 1949 does not provide EU rights either.
The purpose of the Common Travel Area was to facilitate a passport free zone between Ireland and the United Kingdom. Since the Brexit referendum the CTA has been cited as providing rights and securities that it simply does not provide.
A memorandum of understanding was signed earlier this year to demonstrate both Ireland and the UKs commitment to the Common Travel Area but even this is unenforceable. A non binding agreement that is subject to the whims of a Westminster government.
The intention is for the Common Travel Area to provide access to social security, education, health care, a right to live and work in the UK etc but to date the only legislation has been on social security with the new social security agreement between the UK and Ireland. As it stands today Irish citizens has no legal right to enter the United Kingdom from outside the Common Travel Area. Entry has been based on EU law. Legislation has been tabled to rectify this gap but has stalled