1.1.0

The in progress ASDF Standard is v1.6.0

The stable ASDF Standard is v1.5.0

• Add new quantity-1.2.0 schema to support datatype option. [#351]
• Bugfix for base_format in time-1.2.0 schema. [#349]
• Add new ndarray-1.1.0 schema to fix #345 [#350]
• Remove unit-1.1.0 erroneously added in #350 [#355]
• Fix URI fragment format in metaschema references. [#373]
• Fix URI fragment format in quantity-1.2 schema [#374]
• Drop support for python 3.8 [#390]
• Add float16 to ndarray-1.1.0 [#411]
• Remove unneeded tag keyword from fits schema [#421]
• Move non-core tags to astronomy manifest [#422]