mark Lockable as exported and update HISTORY.md for Lockable not being exported in v1.11

HISTORY.md

@@ -74,7 +74,7 @@ Multi-threading changes
 -----------------------
 
 * `Threads.@threads` now supports the `:greedy` scheduler, intended for non-uniform workloads ([#52096]).
-* A new exported struct `Lockable{T, L<:AbstractLock}` makes it easy to bundle a resource and its lock together ([#52898]).
+* A new public (but unexported) struct `Base.Lockable{T, L<:AbstractLock}` makes it easy to bundle a resource and its lock together ([#52898]).
 
 Build system changes
 --------------------

NEWS.md

@@ -85,6 +85,7 @@ New library features
 * `tempname` can now take a suffix string to allow the file name to include a suffix and include that suffix in
   the uniquing checking ([#53474])
 * `RegexMatch` objects can now be used to construct `NamedTuple`s and `Dict`s ([#50988])
+* `Lockable` is now exported ([#54595])
 
 Standard library changes
 ------------------------

base/exports.jl

@@ -58,6 +58,7 @@ export
     IOBuffer,
     IOStream,
     LinRange,
+    Lockable,
     Irrational,
     LazyString,
     Matrix,

test/misc.jl

@@ -132,7 +132,7 @@ end
 # Lockable{T, L<:AbstractLock}
 using Base: Lockable
 let
-    @test_broken Base.isexported(Base, :Lockable)
+    @test Base.isexported(Base, :Lockable)
     lockable = Lockable(Dict("foo" => "hello"), ReentrantLock())
     # note field access is non-public
     @test lockable.value["foo"] == "hello"