Proposals for new language features

This is a list of in-process proposals for major language features. Each proposal has an associated issue where comments can be made.

Timestamp a new timestamp basic type (issue #287)

These proposals have been merged into the master copy of the specification for inclusion in the next release of the specification.

Immutable improved treatement of immutability (issue #338)
Non-cloning tables an approach to tables which does not require a table to clone its members (issue #47)
Distinct types adds nominal typing for the object and error basic types (issue #413)
Transactions adds language support for transactions (issue #267)
Isolated adds support of isolated functions, which works in conjunction with readonly types to enable concurrency safety (issue #145)

Inactive proposals:

XML revised design for xml basic type; mostly included in 2020R1 release
Query language-integrated query; partly in 2020R1 release; remainder tracked issue #340
Tables earlier approach to tables, in which the members of rows were cloned