diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ef659743..596494cf7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,8 +28,8 @@ jobs:
           #- '1.7' # Leave this line unchanged. '1' will automatically expand to the latest stable 1.x release of Julia.
           - '~1.10.0-0'
           #- '~1.11.0-0'
-          - '~1.12.0-0'
-          - 'nightly'
+          #- '~1.12.0-0'
+          #- 'nightly'
         os:
           - ubuntu-latest
           #- ubuntu-20.04
diff --git a/src/gmt_main.jl b/src/gmt_main.jl
index 288358b62..191050980 100644
--- a/src/gmt_main.jl
+++ b/src/gmt_main.jl
@@ -990,7 +990,7 @@ function image_init(API::Ptr{Nothing}, Img::GMTimage)::Ptr{GMT_IMAGE}
 			img = copy(Img.image)
 			GMT_Change_Layout(API, GMT_IS_IMAGE, "BRP", 0, I, img);	# Convert to BRP. Not 100% on the > 2 though.
 		elseif (!mem_owned_by_gmt && size(img,3) == 1 && Img.layout[2] == 'C')
-			img = fliplr(img')
+			img = (Img.layout[1] == 'T') ? collect(img') : fliplr(img')	# T(o) case doesn't need a fliud (that is a fliplr because transposition)
 		end
 		Ib.data = pointer(img)
 		unsafe_store!(I, Ib)
diff --git a/src/imshow.jl b/src/imshow.jl
index 0c956c7e9..73882b585 100644
--- a/src/imshow.jl
+++ b/src/imshow.jl
@@ -62,8 +62,8 @@ function imshow(arg1, x::AbstractVector{Float64}=Float64[], y::AbstractVector{Fl
 			!is_image && (Gg = arg1)
 			#snif_GI_set_CTRLlimits(arg1)			# Set CTRL.limits to be eventually used by J=:guess
 		end
-	elseif (isa(arg1, Array{UInt8}) || isa(arg1, Array{UInt16,3}))
-		Gi = mat2img(arg1; kw...)
+	elseif (isa(arg1, Array{UInt8}) || isa(arg1, Array{UInt16,3}) || isa(arg1, Array{Bool}) || isa(arg1, BitMatrix))
+		Gi = isa(arg1, BitMatrix) ? mat2img(collect(arg1); kw...) : mat2img(arg1; kw...)
 		call_img = true
 	elseif (isa(arg1, GDtype) || isa(arg1, GMTfv) || isa(arg1, Vector{GMTfv}) || (isa(arg1, AbstractVecOrMat{<:Real}) && size(arg1,2) <= 4) || (isa(arg1, Gdal.AbstractDataset) || isa(arg1, Gdal.AbstractGeometry)))
 		(isa(arg1, Gdal.AbstractDataset) || isa(arg1, Gdal.AbstractGeometry)) && (arg1 = gd2gmt(arg1))