Why did Bleach get canceled?

The manga series ended when creator Tite Kubo wanted it to end, and he was quick to end it due to his failing health. … As his conditions worsened while putting himself on a strict schedule, he felt it was time to end the manga to focus on his health, although he was never pressured to end it sooner than intended.

Is Bleach coming back in 2021?

In 2020, via Crunchyroll, “Bleach” was confirmed for a 2021 return during the series’ 20th Anniversary Project and Tite Kubo New Work presentation stream.