Many countries within Europe had several weeks ago confirmed that they would reopen the borders on Monday, but France only gave the official go-ahead on Friday.
On Friday a joint statement from France's Interior Minister Christophe Castaner and foreign minister Jean-Yves Le Drian said: “In view of the favourable evolution of the health situation in France and Europe and in accordance with the recommendations of the European Commission, France will lift on the morning of June 15th (00h00) all restrictions on movement at its internal European borders (land, air and sea) put in place to combat the Covid-19 pandemic.”
On Thursday the European Commission published a recommendation that all EU and Schengen Zone countries should lift internal border controls (for travel from within the European bloc) from June 15th, although the final decision lies with individual countries.
Je me félicite de la recommandation de la @EU_Commission, conforme aux propositions de la France : levée des restrictions aux frontières intra-européennes le 15/6, et ouverture des frontières extérieures de Schengen à partir du 1/07, selon la situation dans les pays tiers. https://t.co/ydgmycXUbL
— Christophe Castaner (@CCastaner) June 11, 2020

Too soon especially with countries like the UK. It’s rather strange that this virus has suddenly disappeared with the arrival of the summer hordes.
What is with you and the UK?