Used to use Bitbucket fulltime both professionally and personally. Worked well and had some nice features. As the team got bigger, the price became a real factor and had a hard time selling it to the higher ups.
We tried to work with Pipelines as a replacement for Bamboo which we were completely underusing. We found the YAML wasn't being parsed as expected and the runners felt very flaky. Mixed with the limited minutes for the runners and the almost weekly outages compared to GitLab's very easy runner setup that any team can add a "personal" runner on top of the shared runners if they wanted to, it didn't make sense to keep using the Bitbucket for git repos just for the Jira integration.
Edit: I should note though, we were using the cloud Bitbucket but a self-hosted GitLab core edition. The price comparison isn't 100% fair.
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