appveyor 9f9b443dee [ci skip] bullet: update windows natives %!s(int64=6) %!d(string=hai) anos
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libs 9f9b443dee [ci skip] bullet: update windows natives %!s(int64=6) %!d(string=hai) anos
src 2bbf784c96 fix issue #1029, integrate PR #1031 %!s(int64=6) %!d(string=hai) anos
build.gradle d3e7d20374 upgrade native Bullet to v2.87, which should fix issue #877 %!s(int64=7) %!d(string=hai) anos