Upgrade to Reactor Bismuth M3 [SPR-15787]

[spring-projects-issues]

Juergen Hoeller opened SPR-15787 and commented

After being on Reactor snapshots for a while and having adapted to several API changes in the meantime, we need to upgrade to Reactor Bismuth M3 for our 5.0 RC3 release this week.

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Issue Links:

• Upgrade to Reactor Bismuth M2 [SPR-15646] #20205 Upgrade to Reactor Bismuth M2
• Upgrade to Reactor 3.1 RC1 (including Reactive Streams 1.0.1) [SPR-15549] #20108 Upgrade to Reactor 3.1 RC1 (including Reactive Streams 1.0.1)

Referenced from: commits 704d4c3