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Julia v1.1.0 Release Notes

New language features

  • An exception stack is maintained on each task to make exception handling more robust and enable root cause analysis using catch_stack (#28878).

Language changes

  • the constructor BigFloat(::BigFloat) now respects the global precision setting and always returns a BigFloat with precision equal to precision(BigFloat) ([#29127]).
  • Parser inputs ending with a comma are now consistently treated as incomplete. Previously they were sometimes parsed as tuples, depending on whitespace ([#28506]).

New library functions

  • splitpath(p::String) function, which is the opposite of joinpath(parts...): it splits a filepath into its components (#28156).
  • isnothing(::Any) function, to check whether something is a Nothing, returns a Bool ([#29679]).

Standard library changes

  • CartesianIndices can now be constructed from two CartesianIndexes I and J with I:J (#29440).
  • copy! support for arrays, dicts, and sets has been moved to Base from the Future package ([#29173]).
  • Channels now convert inserted values (like containers) instead of requiring types to match ([#29092]).
  • range can accept the stop value as a positional argument, e.g. range(1,10,step=2) ([#28708]).
  • edit can now be called on a module to edit the file that defines it ([#29636]).
  • diff now supports arrays of arbitrary dimensionality and can operate over any dimension ([#29827]).

Compiler/Runtime improvements

Deprecated or removed

  • one(i::CartesianIndex) should be replaced with oneunit(i::CartesianIndex) (#29442).