3.4.21.dev5: Nightly Development Release

What's Changed

Enhancements ➕➕

• Allow serving instance methods by @desertaxle in #19070

Bug Fixes 🐞

• Fix block type dispatch breaking validation of Block Unions by @GalLadislav in #18995

Documentation 📓

• improve automation actions documentation with type identifiers by @zzstoatzz in #19071

Uncategorized

• Auto-update documentation by @github-actions[bot] in #19073
• Auto-update documentation by @github-actions[bot] in #19074
• improve CLI import performance (part 1) by @zzstoatzz in #19078
• Auto-update documentation by @github-actions[bot] in #19079

Full Changelog: 3.4.21.dev4...3.4.21.dev5