diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 86bfff5..f9a85e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,5 @@
 name: CI
+
 env:
   JULIA_NUM_THREADS: 2
 on:
@@ -9,6 +10,7 @@ on:
     branches:
       - master
     tags: '*'
+
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
@@ -18,6 +20,7 @@ jobs:
       matrix:
         version:
           - '1'    # Current stable version
+          - 'nightly'
         os:
           - ubuntu-latest
           - windows-latest
@@ -36,6 +39,7 @@ jobs:
           - os: ubuntu-latest
             arch: x64
             version: '1.3'
+
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2
@@ -59,6 +63,7 @@ jobs:
         with:
           file: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}
+
   docs:
     name: Documentation
     runs-on: ubuntu-latest
diff --git a/docs/src/_changelog.md b/docs/src/_changelog.md
index 367e16c..d125358 100644
--- a/docs/src/_changelog.md
+++ b/docs/src/_changelog.md
@@ -7,6 +7,12 @@ CurrentModule = ZMQ
 This documents notable changes in ZMQ.jl. The format is based on [Keep a
 Changelog](https://keepachangelog.com).
 
+## Unreleased
+
+### Added
+- Support for creating [`Message`](@ref)'s from the new `Memory` type in Julia
+  1.11 ([#244]).
+
 ## [v1.2.6] - 2024-06-13
 
 ### Added
diff --git a/src/message.jl b/src/message.jl
index c6f4060..f1849c0 100644
--- a/src/message.jl
+++ b/src/message.jl
@@ -103,12 +103,15 @@ mutable struct Message <: AbstractArray{UInt8,1}
         Message(p, pointer(p.string)+p.offset, sizeof(p))
 
     @doc """
-        Message(a::Array)
+        Message(a::T) where T <: DenseVector
 
     Create a message with an array as a buffer (for send). Note: the same
     ownership semantics as for [`Message(m::String)`](@ref) apply.
+
+    Usually `a` will be a 1D `Array`/`Vector`, but on 1.11+ it can also be a
+    `Memory`.
     """
-    Message(a::Array) = Message(a, pointer(a), sizeof(a))
+    Message(a::T) where T <: DenseVector = Message(a, pointer(a), sizeof(a))
 
     @doc """
         Message(io::IOBuffer)
diff --git a/test/runtests.jl b/test/runtests.jl
index 8668cfa..58ffc9d 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -4,14 +4,14 @@ using ZMQ, Test
 @info("Testing with ZMQ version $(ZMQ.version)")
 
 @testset "ZMQ contexts" begin
-	ctx=Context()
-	@test ctx isa Context
-	@test (ctx.io_threads = 2) == 2
-	@test ctx.io_threads == 2
-	ZMQ.close(ctx)
-
-	#try to create socket with expired context
-	@test_throws StateError Socket(ctx, PUB)
+    ctx=Context()
+    @test ctx isa Context
+    @test (ctx.io_threads = 2) == 2
+    @test ctx.io_threads == 2
+    ZMQ.close(ctx)
+
+    #try to create socket with expired context
+    @test_throws StateError Socket(ctx, PUB)
 end
 
 # This test is in its own function to keep it simple and try to trick Julia into
@@ -31,135 +31,192 @@ end
 @testset "ZMQ sockets" begin
     context_gc_test()
 
-	s=Socket(PUB)
-	@test s isa Socket
-	ZMQ.close(s)
+    s=Socket(PUB)
+    @test s isa Socket
+    ZMQ.close(s)
 
-	s1=Socket(REP)
-	s1.sndhwm = 1000
-	s1.linger = 1
-	s1.routing_id = "abcd"
+    s1=Socket(REP)
+    s1.sndhwm = 1000
+    s1.linger = 1
+    s1.routing_id = "abcd"
 
-	@test s1.routing_id == "abcd"
-	@test s1.sndhwm === 1000
-	@test s1.linger === 1
-	@test s1.rcvmore === false
+    @test s1.routing_id == "abcd"
+    @test s1.sndhwm === 1000
+    @test s1.linger === 1
+    @test s1.rcvmore === false
 
-	s2=Socket(REQ)
-	@test s1.type == REP
-	@test s2.type == REQ
+    s2=Socket(REQ)
+    @test s1.type == REP
+    @test s2.type == REQ
 
-	ZMQ.bind(s1, "tcp://*:5555")
-	ZMQ.connect(s2, "tcp://localhost:5555")
+    ZMQ.bind(s1, "tcp://*:5555")
+    ZMQ.connect(s2, "tcp://localhost:5555")
 
-	msg = Message("test request")
+    msg = Message("test request")
 
     # Smoke tests
     @test Base.elsize(msg) == 1
     @test Base.strides(msg) == (1,)
 
-	# Test similar() and copy() fixes in https://github.com/JuliaInterop/ZMQ.jl/pull/165
-	@test similar(msg, UInt8, 12) isa Vector{UInt8}
-	@test copy(msg) == codeunits("test request")
-
-	ZMQ.send(s2, Message("test request"))
-	@test unsafe_string(ZMQ.recv(s1)) == "test request"
-	ZMQ.send(s1, Message("test response"))
-	@test unsafe_string(ZMQ.recv(s2)) == "test response"
-
-	ZMQ.send(s2, "test request 2")
-	@test ZMQ.recv(s1, String) == "test request 2"
-	ZMQ.send(s1, Vector(codeunits("test response 2")))
-	@test String(ZMQ.recv(s2, Vector{UInt8})) == "test response 2"
-	ZMQ.send(s2, 3.14159)
-	@test ZMQ.recv(s1, Float64) === 3.14159
-	ZMQ.send(s1, [314159, 12345])
-	@test ZMQ.recv(s2, Vector{Int}) == [314159, 12345]
-
-	# Test task-blocking behavior
-	c = Base.Condition()
-	global msg_sent = false
-	@async begin
-		global msg_sent
-		sleep(0.5)
-		msg_sent = true
-		ZMQ.send(s2, Message("test request"))
-		@test (unsafe_string(ZMQ.recv(s2)) == "test response")
-		notify(c)
-	end
-
-	# This will hang forver if ZMQ blocks the entire process since
-	# we'll never switch to the other task
-	@test unsafe_string(ZMQ.recv(s1)) == "test request"
-	@test msg_sent == true
-	ZMQ.send(s1, Message("test response"))
-	wait(c)
-
-	# Test _Message task-blocking behavior, similar to above
-	c = Base.Condition()
-	msg_sent = false
-	@async begin
-		global msg_sent
-		sleep(0.5)
-		msg_sent = true
-		ZMQ.send(s2, "another test request")
-		@test ZMQ.recv(s2, String) == "another test response"
-		notify(c)
-	end
-	@test ZMQ.recv(s1, String) == "another test request"
-	@test msg_sent == true
-	ZMQ.send(s1, "another test response")
-	wait(c)
-
-	ZMQ.send(s2, Message("another test request"))
-	msg = ZMQ.recv(s1)
-	o=convert(IOStream, msg)
-	seek(o, 0)
-	@test String(take!(o)) == "another test request"
-	ZMQ.send(s1) do io
-		print(io, "buffer ")
-		print(io, "this")
-	end
-	@test String(take!(ZMQ.recv(s2, IOBuffer))) == "buffer this"
-
-	@testset "Message AbstractVector interface" begin
-		m = Message("1")
-		@test m[1]==0x31
-		@test (m[1]=0x32) === 0x32
-		@test unsafe_string(m)=="2"
-		finalize(m)
-	end
-
-	# ZMQ.close(s1); ZMQ.close(s2) # should happen when context is closed
-	ZMQ.close(ZMQ._context) # immediately close global context rather than waiting for exit
+    # Test similar() and copy() fixes in https://github.com/JuliaInterop/ZMQ.jl/pull/165
+    @test similar(msg, UInt8, 12) isa Vector{UInt8}
+    @test copy(msg) == codeunits("test request")
+
+    ZMQ.send(s2, Message("test request"))
+    @test unsafe_string(ZMQ.recv(s1)) == "test request"
+    ZMQ.send(s1, Message("test response"))
+    @test unsafe_string(ZMQ.recv(s2)) == "test response"
+
+    ZMQ.send(s2, "test request 2")
+    @test ZMQ.recv(s1, String) == "test request 2"
+    ZMQ.send(s1, Vector(codeunits("test response 2")))
+    @test String(ZMQ.recv(s2, Vector{UInt8})) == "test response 2"
+    ZMQ.send(s2, 3.14159)
+    @test ZMQ.recv(s1, Float64) === 3.14159
+    ZMQ.send(s1, [314159, 12345])
+    @test ZMQ.recv(s2, Vector{Int}) == [314159, 12345]
+
+    # Test task-blocking behavior
+    c = Base.Condition()
+    global msg_sent = false
+    @async begin
+        global msg_sent
+        sleep(0.5)
+        msg_sent = true
+        ZMQ.send(s2, Message("test request"))
+        @test (unsafe_string(ZMQ.recv(s2)) == "test response")
+        notify(c)
+    end
+
+    # This will hang forver if ZMQ blocks the entire process since
+    # we'll never switch to the other task
+    @test unsafe_string(ZMQ.recv(s1)) == "test request"
+    @test msg_sent == true
+    ZMQ.send(s1, Message("test response"))
+    wait(c)
+
+    # Test _Message task-blocking behavior, similar to above
+    c = Base.Condition()
+    msg_sent = false
+    @async begin
+        global msg_sent
+        sleep(0.5)
+        msg_sent = true
+        ZMQ.send(s2, "another test request")
+        @test ZMQ.recv(s2, String) == "another test response"
+        notify(c)
+    end
+    @test ZMQ.recv(s1, String) == "another test request"
+    @test msg_sent == true
+    ZMQ.send(s1, "another test response")
+    wait(c)
+
+    ZMQ.send(s2, Message("another test request"))
+    msg = ZMQ.recv(s1)
+    o=convert(IOStream, msg)
+    seek(o, 0)
+    @test String(take!(o)) == "another test request"
+    ZMQ.send(s1) do io
+        print(io, "buffer ")
+        print(io, "this")
+    end
+    @test String(take!(ZMQ.recv(s2, IOBuffer))) == "buffer this"
+
+    @testset "Message AbstractVector interface" begin
+        m = Message("1")
+        @test m[1]==0x31
+        @test (m[1]=0x32) === 0x32
+        @test unsafe_string(m)=="2"
+        finalize(m)
+    end
+
+    # ZMQ.close(s1); ZMQ.close(s2) # should happen when context is closed
+    ZMQ.close(ZMQ._context) # immediately close global context rather than waiting for exit
+    @test !isopen(s1)
+    @test !isopen(s2)
+end
+
+# Test all the send constructors
+@testset "Message" begin
+    s1 = Socket(PUB)
+    s2 = Socket(SUB)
+    ZMQ.subscribe(s2, "")
+    ZMQ.bind(s1, "tcp://*:5555")
+    ZMQ.connect(s2, "tcp://localhost:5555")
+
+    # Sleep for a bit to prevent the 'slow joiner' problem
+    sleep(0.5)
+
+    # Message(::Int) - construct from buffer size
+    data = rand(UInt8, 10)
+    m1 = Message(length(data))
+    # Note that we don't use copy!() for compatibility with Julia 1.3
+    for i in eachindex(data)
+        m1[i] = data[i]
+    end
+    ZMQ.send(s1, m1)
+    @test ZMQ.recv(s2) == data
+
+    # Message(::Any, ::Ptr, ::Int) - construct from pointer to existing data
+    buffer = rand(UInt8, 10)
+    m2 = Message(buffer, pointer(buffer), length(buffer))
+    ZMQ.send(s1, m2)
+    @test ZMQ.recv(s2) == buffer
+
+    # Message(::String)
+    str_msg = "foobar"
+    m3 = Message(str_msg)
+    ZMQ.send(s1, m3)
+    @test String(ZMQ.recv(s2)) == str_msg
+
+    # Message(::SubString)
+    m4 = Message(str_msg[1:3])
+    ZMQ.send(s1, m4)
+    @test String(ZMQ.recv(s2)) == str_msg[1:3]
+
+    # Message(::DenseVector) - construct from array
+    buffer2 = rand(UInt8, 10)
+    m5 = Message(buffer2)
+    ZMQ.send(s1, m5)
+    @test ZMQ.recv(s2) == buffer2
+
+    # Message(::IOBuffer)
+    buffer3 = rand(UInt8, 10)
+    iobuf = IOBuffer(buffer3)
+    m6 = Message(iobuf)
+    ZMQ.send(s1, m6)
+    @test ZMQ.recv(s2) == buffer3
+
+    close(s1)
+    close(s2)
 end
 
 @testset "ZMQ resource management" begin
     local leaked_req_socket, leaked_rep_socket
     ZMQ.Socket(ZMQ.REQ) do req_socket
-	leaked_req_socket = req_socket
+    leaked_req_socket = req_socket
 
-	ZMQ.Socket(ZMQ.REP) do rep_socket
-	    leaked_rep_socket = rep_socket
+    ZMQ.Socket(ZMQ.REP) do rep_socket
+        leaked_rep_socket = rep_socket
 
-	    ZMQ.bind(rep_socket, "inproc://tester")
-	    ZMQ.connect(req_socket, "inproc://tester")
+        ZMQ.bind(rep_socket, "inproc://tester")
+        ZMQ.connect(req_socket, "inproc://tester")
 
-	    ZMQ.send(req_socket, "Mr. Watson, come here, I want to see you.")
-	    @test unsafe_string(ZMQ.recv(rep_socket)) == "Mr. Watson, come here, I want to see you."
-	    ZMQ.send(rep_socket, "Coming, Mr. Bell.")
-	    @test unsafe_string(ZMQ.recv(req_socket)) == "Coming, Mr. Bell."
-	end
+        ZMQ.send(req_socket, "Mr. Watson, come here, I want to see you.")
+        @test unsafe_string(ZMQ.recv(rep_socket)) == "Mr. Watson, come here, I want to see you."
+        ZMQ.send(rep_socket, "Coming, Mr. Bell.")
+        @test unsafe_string(ZMQ.recv(req_socket)) == "Coming, Mr. Bell."
+    end
 
-	@test !ZMQ.isopen(leaked_rep_socket)
+    @test !ZMQ.isopen(leaked_rep_socket)
     end
     @test !ZMQ.isopen(leaked_req_socket)
 
     local leaked_ctx
     ZMQ.Context() do ctx
-	leaked_ctx = ctx
+    leaked_ctx = ctx
 
-	@test isopen(ctx)
+    @test isopen(ctx)
     end
     @test !isopen(leaked_ctx)
 end