News and compat annotation for #29782 (^(::Number, ::AbstractMatrix))

JuliaLang · Dec 1, 2018 · edb1d65 · edb1d65
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diff --git a/NEWS.md b/NEWS.md
@@ -82,6 +82,7 @@ Standard library changes
   * `current_project()` now searches the parent directories of a Git repository for a `Project.toml` file.
     This also affects the behavior of the `--project` command line option when using the default
     `--project=@.` ([#29108]).
+  * Exponentiation operator `^` now supports raising a `Number` to an `AbstractMatrix` power ([#29782]).
 
 Compiler/Runtime improvements
 -----------------------------

diff --git a/base/promotion.jl b/base/promotion.jl
@@ -341,6 +341,9 @@ julia> A^3
  37   54
  81  118
 ```
+
+!!! compat "Julia 1.1"
+    Julia 1.1. added support for raising a number to a matrix power using `^`.
 """
 ^(x::Number, y::Number) = ^(promote(x,y)...)