v2.15.14

Patch Changes

• Apply server supplied cache control settings for region url provider - #1669 (@lukasIO)

• Only export types for TokenSource variants to try to push users to use the TokenSource.foo static constructors instead - #1707 (@1egoman)

• Add check to ensure track visibility update only happens when adaptiveStream is enabled - #1712 (@1egoman)

• Cache region settings per project - #1709 (@lukasIO)

• Export decodeTokenPayload from package - #1710 (@1egoman)