New Additions

• Avoid using an empty string as the meta-refresh tag URL value as this can cause race conditions when users later update the blank document's location. (32be570dd16ed212c8f169c52d704c755ecb0f7b)
• Add Long#toUnsignedString to convert a Long to its unsigned (385ae7b0d0596de140a124ec2454ee6088f8e5ef)

Backwards Incompatible Changes

• the goog.provide for goog.asserts.AssertionError has been removed, access the same value/type instead via requiring goog.asserts. (e4bd60f9f72154c90717efc7141d8cdcdf9434b8)

Other Changes

• Remove special support for Chrome 21- in goog.db.Error (bf304a4e797d2528e51fab5e2e63316215fbe6f8)
• Give closure dialogs the option to keep track of their amount of surrounding space. (73847ba254a85acbf645f6d8f6321dbdff948745)
• Avoid unnecessary mime check for data urls. (987094d2e793569a6e49b724308ef7d8bfc3c8b6)
• Delete extra edge entry if all edges for a given "fromModuleId" have been removed. (22513daeb16c77994e8d5151345e03e194b9d940)
• Add radial-gradient to SafeStyle list of allowed functions (6bde62382dd04e96bca95c651f03d445254f66ee)
• Mark deprecated goog.structs.Map as final. (45037fb9bfe208988d547201f7d93f4b1c48b063)