Port libraries, crystal portals and instability decay to 26.3 beta

README.md

@@ -19,11 +19,14 @@ 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. 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.
+drops, page collections, stations and basic progression are also ported. The latest
+beta adds Age libraries, crystal portals with animated fallback surfaces, saved
+instability scoring/provider selection, potion providers and four-color decay.
+Full writing recovery, live material profiling and other hazards remain pending.
 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_1.0.1.115-beta.1.md).
+[latest beta release notes](ports/mc263/RELEASE_NOTES_1.0.1.120-beta.1.md).
 Keep the builds and their saves separate, and back up worlds before updating.
 
 ## Getting started