Xi will use the Victory Day celebrations to remind the world of Beijing’s claimed sovereignty over Taiwan, against which it has threatened to use force.
And the Financial Times will use the opportunity to remind the world that it is a shitty propaganda outlet by failing to acknowledge that Taiwan's own constitution says it is an inalienable part of China, and that Beijing has stated, many times, that it will only use force if Taiwan rewrites it's constitution to claim otherwise. Further more the article's author knows this.