McDonald said on Twitter: "The British Govt has tonight agreed to legislate for Acht Gaeilge".
"This is the only way to break the cycle of DUP obstruction of rights".
"We share significant challenges ahead to build economic and societal recovery as we emerge from the Covid-19 pandemic".
Ontario reports 370 new COVID-19 cases, seven deaths
Health Minister Christine Elliott and Solicitor General Sylvia Jones will be providing the update from Queen's Park at 1 p.m. More than 64 per cent of Ontarians have now had at least one dose, or almost 75 per cent of residents 18 and older.
"However, following my intensive negotiations with the parties over the last few days, I can confirm that if the Executive has not progressed legislation by the end of September, the UK Government will take the legislation through Parliament in Westminster", he said.
"This would be better done in the Assembly as agreed previous year but it is welcome that the Secretary of State has given an assurance these positive measures agreed in support of linguistic diversity and cultural expression in Northern Ireland are now to be put in place through legislation in Westminster if necessary", Mr Coveney said.
Earlier, Sinn Fein members left Stormont around 7.30pm in a three-car-convoy, which drove past the media without stopping for comment, despite members previously indicating they would.
China successfully launches mission sending astronauts to new space station
Usually, discarded rocket stages reenter the atmosphere soon after liftoff, normally over water, and don't go into orbit. It could also outlast the International Space Station, which is nearing the end of its functional lifespan.
Edwin Poots has resigned as leader of the DUP. The pair also drove from Stormont House without speaking to the media.
Former DUP leader Arlene Foster's resignation as first minister on Monday set a seven-day clock running within which her successor, Lagan Valley MLA Mr Givan, must be appointed.
The development came after a night of talks involving Northern Ireland Secretary Brandon Lewis and DUP and Sinn Féin delegations in Belfast.
Coronavirus cases: Delhi records 228 new COVID-19 cases, 12 deaths
According to the Ministry of Health and Family Welfare, the daily positivity rate in India now stands at 3.48 per cent. This is the 10th consecutive day when India has reported less than one lakh COVID cases.
Sinn Fein will therefore participate fully in the five-party executive, McDonald said in a statement, clearing the way for Givan to become first minister.