The law means that Apple will not only have to allow third-party app stores but sideloading as well, where users can install software downloaded from the web.The EU has laid out a relatively complex schedule for complying with the law, which involves companies potentially affected by it notifying regulators and a commission determining whether they’ll actually have to make changes.The company is apparently considering “mandating certain security requirements,” verifying outside apps in some way, and potentially charging a fee, Bloomberg reports.It also hasn’t decided how it will make iMessage interoperable with other services, another condition of the DMA, and could open up its Find My network to more location accessories like Tile.Apple is currently working on another massive change spurred on by EU regulations — the company has confirmed it can’t get around EU rules forcing the addition of USB-C to the iPhone by 2024."