Issues

• Doctests are annoyingly slow

  haskell-prettyprinter/prettyprinter#294 · Filter by author sjakobi opened on May 15, 2026

• Add a function which goes from Doc to String in one go.

  Feature request
  haskell-prettyprinter/prettyprinter#288 · Filter by author phadej opened on May 12, 2026
  3

• New maintainers needed!

  Help wanted
  haskell-prettyprinter/prettyprinter#272 · Filter by author sjakobi opened on Dec 16, 2025
  7

• Incompatibilities with -f-text

  haskell-prettyprinter/prettyprinter#264 · Filter by author sjakobi opened on Nov 29, 2025
  7

• Add support for disabling colors

  Feature request
  haskell-prettyprinter/prettyprinter#259 · Filter by author ad-si opened on Jul 25, 2025
  2

• Is prettyprinter still the hot shit in the pretty printer multiverse?

  haskell-prettyprinter/prettyprinter#258 · Filter by author andreasabel opened on Dec 10, 2024
  3

• Example code is broken

  Documentation
  haskell-prettyprinter/prettyprinter#251 · Filter by author bautipeirone opened on Mar 5, 2024
  3

• Pretty-print floats and doubles efficiently.

  Performance
  haskell-prettyprinter/prettyprinter#249 · Filter by author vmchale opened on Feb 20, 2024

• Support types in Foreign module

  Feature request
  haskell-prettyprinter/prettyprinter#248 · Filter by author HaskellZhangSong opened on Dec 27, 2023
  1

• prettyprinter-compat-ansi-wl-pprint is not quite a drop-in replacement as claimed

  Documentation
  haskell-prettyprinter/prettyprinter#246 · Filter by author georgefst opened on Aug 5, 2023
  2

• Move grouping in encloseSep

  PVP: major
  haskell-prettyprinter/prettyprinter#245 · Filter by author Lev135 opened on Jun 1, 2023

• BUG pretty not working on Windows: "invalid character"

  haskell-prettyprinter/prettyprinter#242 · Filter by author turbotimon opened on May 11, 2023
  6

• Define vsepHard

  Feature request
  haskell-prettyprinter/prettyprinter#237 · Filter by author michaelpj opened on Feb 28, 2023
  1

• Use Color, Intensity etc. from ansi-terminal

  Feature request
  haskell-prettyprinter/prettyprinter#233 · Filter by author georgefst opened on Aug 28, 2022
  3

• unsafeTextWithoutNewlines might be slower than necessary

  Performance
  haskell-prettyprinter/prettyprinter#231 · Filter by author sjakobi opened on Jul 19, 2022
  1

• Rendering of SLine could be optimized

  Performance
  haskell-prettyprinter/prettyprinter#228 · Filter by author sjakobi opened on Jun 11, 2022

• Renderers based on text-builder-linear

  Feature request
  haskell-prettyprinter/prettyprinter#226 · Filter by author sjakobi opened on May 28, 2022
  2

• Control sequences should end with \STX code

  haskell-prettyprinter/prettyprinter#225 · Filter by author Telpenarmo opened on May 27, 2022
  1

• surround is poorly named

  haskell-prettyprinter/prettyprinter#223 · Filter by author Ptival opened on Feb 10, 2022

• Align mid-line?

  Feature request
  haskell-prettyprinter/prettyprinter#221 · Filter by author isovector opened on Jan 30, 2022
  3

• Is it possible to cut on expensive computations when the layout is unbounded?

  Performance
  haskell-prettyprinter/prettyprinter#215 · Filter by author Ptival opened on Nov 5, 2021
  3

• documentation suggestion

  Documentation
  haskell-prettyprinter/prettyprinter#209 · Filter by author GeorgeCo opened on Oct 28, 2021
  8

• Need prettyprinter exports to convert between String and Text

  Feature request
  haskell-prettyprinter/prettyprinter#207 · Filter by author newhoggy opened on Sep 25, 2021
  7

• Exponential runtime for layoutSmart + fillSep + sep

  BugPerformance
  haskell-prettyprinter/prettyprinter#205 · Filter by author brianhuffman opened on Sep 2, 2021 · 1.8
  4

• renderIO documentation is suspect, performance of renderLazy + hPutStr is better

  DocumentationPerformance
  haskell-prettyprinter/prettyprinter#196 · Filter by author vmchale opened on Mar 19, 2021
  5