elvish/0.20.0-release-notes.md

Draft release notes for Elvish 0.20.0.

Notable new features

• A new os: module providing access to operating system functionality.

• Maps now have their keys sorted when printed.

• The peach command now has a &num-workers option (#648).

• The from-json command now supports integers of arbitrary precision, and outputs them as exact integers rather than inexact floats.

• A new str:fields command (#1689).

• The order and compare commands now support a &total option, which allows sorting and comparing values of mixed types.

• The language server now supports showing the documentation of builtin functions and variables on hover (#1684).

Notable bugfixes

• has-value $li $v now works correctly when $li is a list and $v is a composite value, like a map or a list.

Breaking changes

• The except keyword in the try command was deprecated since 0.18.0 and is now removed. Use catch instead.