Billionaire Whitney Wolfe Herd, who created the firm in 2014, will be replaced by Slack's chief.
Their return, after bans for hate speech violations, has been criticised by campaigners.
The US group say they thanked Jay Weinberg for his "dedication and passion" but were "intent on evolving".
The game's publisher says 44.7 million players logged a total 102 million hours of play on Sunday
Comedian Mark Watson was locked out of the Tobacco Factory where he was due to perform.
The firm promised change in 2020, but the BBC has filmed staff squeezing suppliers after deals were agreed.
One of Hollywood's biggest stars takes a reflective look at her life, as she publishes her memoir.
Barbra Streisand tells the BBC's Mark Savage how she got Apple's digital assistant Siri to pronounce her name correctly.
Desalination usually requires a lot of heat and power, but a new system just needs wave energy.
As the studio celebrates its 20th edition, the people that make it tell the BBC how it has changed.