[ci skip] Add compat and NEWS

JuliaLang · Aug 24, 2019 · ebe1d85 · ebe1d85
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diff --git a/NEWS.md b/NEWS.md
@@ -32,6 +32,8 @@ Standard library changes
 
 #### LinearAlgebra
 
+* `qr` and `qr!` functions support `blocksize` keyword argument ([#33053]).
+
 
 #### SparseArrays
 

diff --git a/stdlib/LinearAlgebra/src/qr.jl b/stdlib/LinearAlgebra/src/qr.jl
@@ -260,6 +260,9 @@ qr!(A::StridedMatrix{<:BlasFloat}, ::Val{true}) = QRPivoted(LAPACK.geqp3!(A)...)
 An [`InexactError`](@ref) exception is thrown if the factorization produces a number not
 representable by the element type of `A`, e.g. for integer types.
 
+!!! compat "Julia 1.4"
+    The `blocksize` keyword argument requires Julia 1.4 or later.
+
 # Examples
 ```jldoctest
 julia> a = [1. 2.; 3. 4.]
@@ -340,6 +343,9 @@ The block size for QR decomposition can be specified by keyword argument
 `blocksize :: Integer` when `pivot == Val(false)` and `A isa StridedMatrix{<:BlasFloat}`.
 It is ignored when `blocksize > minimum(size(A))`.  See [`QRCompactWY`](@ref).
 
+!!! compat "Julia 1.4"
+    The `blocksize` keyword argument requires Julia 1.4 or later.
+
 # Examples
 ```jldoctest
 julia> A = [3.0 -6.0; 4.0 -8.0; 0.0 1.0]