diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,16 @@
+## [1.5.3](https://github.com/diagrams/diagrams-postscript/tree/v1.5.3) (2025-08-13)
+
+  - Export new functions `renderDia'` and `renderDias'`
+  - Improve package documentation
+
+## [1.5.2-r2](https://github.com/diagrams/diagrams-postscript/tree/v1.5.2-r2) (2025-06-02)
+
+  - allow `monoid-extras-0.7`
+
+## [1.5.2-r1](https://github.com/diagrams/diagrams-postscript/tree/v1.5.2-r1) (2025-03-28)
+
+  - allow `base-4.21`, `diagrams-lib-1.5`, and test on GHC 9.12
+
 ## [1.5.2](https://github.com/diagrams/diagrams-postscript/tree/v1.5.2) (2024-10-31)
 
   - Require `data-default-0.8`
diff --git a/diagrams-postscript.cabal b/diagrams-postscript.cabal
--- a/diagrams-postscript.cabal
+++ b/diagrams-postscript.cabal
@@ -1,5 +1,5 @@
 Name:                diagrams-postscript
-Version:             1.5.2
+Version:             1.5.3
 Synopsis:            Postscript backend for diagrams drawing EDSL
 Description:         This package provides a modular backend for rendering
                      diagrams created with the diagrams EDSL using Postscript.
@@ -24,7 +24,7 @@
 Build-type:          Simple
 extra-doc-files:     README.markdown, CHANGES.markdown
 Cabal-version:       1.18
-Tested-with:         GHC ==8.4.4 || ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.2.8 || ==9.4.8 || ==9.6.5 || ==9.8.2 || ==9.10.1
+Tested-with:         GHC ==8.4.4 || ==8.6.5 || ==8.8.4 || ==8.10.7 || ==9.0.2 || ==9.2.8 || ==9.4.8 || ==9.6.5 || ==9.8.2 || ==9.10.1 || ==9.12.1
 Source-repository head
   type:     git
   location: https://github.com/diagrams/diagrams-postscript.git
@@ -35,18 +35,18 @@
                        Diagrams.Backend.Postscript.CmdLine
                        Graphics.Rendering.Postscript
   Hs-source-dirs:      src
-  Build-depends:       base >= 4.8 && < 4.21,
+  Build-depends:       base >= 4.8 && < 4.22,
                        bytestring >= 0.9 && <0.13,
                        mtl >= 2.0 && < 2.4,
                        diagrams-core >= 1.3 && < 1.6,
-                       diagrams-lib >= 1.4.5 && < 1.5,
+                       diagrams-lib >= 1.4.5 && < 1.6,
                        data-default >= 0.8 && < 0.9,
                        statestack >= 0.2 && < 0.4,
                        split >= 0.1.2 && < 0.3,
-                       monoid-extras >= 0.3 && < 0.7,
+                       monoid-extras >= 0.3 && < 0.8,
                        semigroups >= 0.3.4 && < 0.21,
                        lens >= 4.0 && < 5.4,
-                       containers >= 0.3 && < 0.8,
+                       containers >= 0.3 && < 0.9,
                        hashable >= 1.1 && < 1.6
 
   default-language:    Haskell2010
diff --git a/src/Diagrams/Backend/Postscript.hs b/src/Diagrams/Backend/Postscript.hs
--- a/src/Diagrams/Backend/Postscript.hs
+++ b/src/Diagrams/Backend/Postscript.hs
@@ -24,14 +24,17 @@
 -- type in the diagram type construction
 --
 -- > d :: Diagram Postscript
--- > d = ...
+-- > d = square 10
 --
 -- and render giving the @Postscript@ token
 --
--- > renderDia Postscript (PostscriptOptions "file.eps" (Width 400) EPS) d
+-- > renderDia' d (PostscriptOptions "file.eps" (mkWidth 400) EPS)
 --
--- This IO action will write the specified file.
+-- This IO action will write the specified file. If you prefer to generate
+-- an in-memory 'ByteString', use 'renderDia'.
 --
+-- Check "Diagrams.Backend.Postscript.CmdLine" for the command-line
+-- interface documentation (a great way to start using this package).
 -----------------------------------------------------------------------------
 module Diagrams.Backend.Postscript
 
@@ -40,14 +43,18 @@
   , B
 
     -- * Postscript-specific options
+    -- | #postscript-options#
     -- $PostscriptOptions
 
   , Options(..), psfileName, psSizeSpec, psOutputFormat
 
     -- * Postscript-supported output formats
+
   , OutputFormat(..)
 
   , renderDias
+  , renderDia'
+  , renderDias'
   ) where
 
 import           Diagrams.Backend.Postscript.CMYK
@@ -67,6 +74,7 @@
 import           Data.Maybe                       (catMaybes, isJust)
 
 import qualified Data.ByteString.Builder          as B
+import           System.IO                        (IOMode (..), withFile)
 
 import qualified Data.Foldable                    as F
 import           Data.Hashable                    (Hashable (..))
@@ -200,6 +208,18 @@
       rs      = map (runRenderM . runC . toRender . toRTree g2o . snd) optsdss
       sizes   = map (specToSize 1 . view psSizeSpec . fst) optsdss
       V2 w h  = foldBy (liftA2 max) zero sizes
+
+-- | Check [Postscript-specific options](#postscript-options) for a
+-- description of the available options.
+renderDia' :: QDiagram Postscript V2 Double Any -> Options Postscript V2 Double -> IO ()
+renderDia' d o = do
+  let b = renderDia Postscript o d
+  withFile (o ^. psfileName) WriteMode $ \h -> B.hPutBuilder h b
+
+-- | Check [Postscript-specific options](#postscript-options) for a
+-- description of the available options.
+renderDias' :: [QDiagram Postscript V2 Double Any] -> Options Postscript V2 Double -> IO ()
+renderDias' ds o = renderDias o ds >> return ()
 
 renderC :: (Renderable a Postscript, V a ~ V2, N a ~ Double) => a -> RenderM ()
 renderC = runC . render Postscript
diff --git a/src/Diagrams/Backend/Postscript/CmdLine.hs b/src/Diagrams/Backend/Postscript/CmdLine.hs
--- a/src/Diagrams/Backend/Postscript/CmdLine.hs
+++ b/src/Diagrams/Backend/Postscript/CmdLine.hs
@@ -73,7 +73,6 @@
       ) where
 
 import qualified Data.ByteString.Builder     as B
-import           System.IO                   (IOMode (..), withFile)
 
 import           Diagrams.Backend.CmdLine
 import           Diagrams.Backend.Postscript
@@ -163,16 +162,6 @@
 
            renderer (PostscriptOptions (opts^.output) sizeSpec outfmt)
        | otherwise -> putStrLn $ "Unknown file type: " ++ last ps
-
-renderDias' :: [QDiagram Postscript V2 Double Any] -> Options Postscript V2 Double -> IO ()
-renderDias' ds o = renderDias o ds >> return ()
-
-renderDia' :: QDiagram Postscript V2 Double Any -> Options Postscript V2 Double -> IO ()
-renderDia' d o = do
-  let b = renderDia Postscript o d
-  withFile (o ^. psfileName) WriteMode $ \h -> B.hPutBuilder h b
-
-
 
 -- | @multiMain@ is like 'defaultMain', except instead of a single
 --   diagram it takes a list of diagrams paired with names as input.