License changes - BSL or closing the source

If there's no money in it for them - reduction of staff or funding leading to slower releases and bugfixes

Moving some features like Spring Cloud / Spring Integration, or new development behind a paywall (think RHEL)

Big users (like Netflix, Walmart, JPMorgan, LinkedIn/Microsoft, etc) would likely be able to pay for it (until they moved off), but smaller companies and individual developers not so much