Port lectern stands, book GUIs and progression to 26.3 beta

README.md

@@ -17,10 +17,13 @@ supports authored terrain/biomes, structure and vegetation pages, independent
 Age weather/lighting, seeded and colorable Overworld/Nether/End/Static skies,
 independent Sun/Moon controls, multiple bodies and eclipses, seeded biome and
 feature completion, and random structure selection. Nether/End noise-biome
-materials now follow their native rules. The beta does not yet provide full
+materials now follow their native rules. Books now have Legacy-style spreads,
+animated fallback panels and saved destination labels; lectern stands, open-book
+drops, page collections, stations and basic progression are also ported.
+The beta does not yet provide full
 1.21.1 gameplay or optional-integration parity.
 See the [26.3 beta guide](ports/mc263/README.md) and
-[latest beta release notes](ports/mc263/RELEASE_NOTES_1.0.1.106-beta.1.md).
+[latest beta release notes](ports/mc263/RELEASE_NOTES_1.0.1.115-beta.1.md).
 Keep the builds and their saves separate, and back up worlds before updating.
 
 ## Getting started