Issues

• Sprite Encoding/Cache/Palette Check performance is poor due to generic.find_file

  OpenTTD/nml#440 · Filter by author WolfieFox opened on Aug 29, 2026
  3

• Alternative sprites for RTL language suppot

  OpenTTD/nml#405 · Filter by author zephyris opened on Dec 6, 2025

• No error when tram_type property is set without a tram typetable

  OpenTTD/nml#398 · Filter by author audigex opened on Nov 18, 2025
  3

• Number of sound effects incorrectly (or at least, misleadingly?) reported

  OpenTTD/nml#395 · Filter by author audigex opened on Oct 29, 2025
  5

• Unexpected internal error has occurred.

  OpenTTD/nml#394 · Filter by author Rito13 opened on Oct 21, 2025
  1

• Bug(?): Re-definition of alternative sprites is not treated as an error but has no productive use

  OpenTTD/nml#372 · Filter by author zephyris opened on Apr 3, 2025

• Bug: alternative_sprites in conditional blocks away from the parent behave inconsistently

  OpenTTD/nml#371 · Filter by author zephyris opened on Apr 3, 2025
  1

• Upgrading from a version prior to 0.7.3 changes specific use cases using vehicle random_bits

  OpenTTD/nml#350 · Filter by author heresyh opened on Dec 28, 2024
  3

• A named parameter cannot be used for a house ID

  OpenTTD/nml#300 · Filter by author zephyris opened on Jul 31, 2023
  1

• The builtin {cargo|rail|road|tram}type functions do not work if the corresponding tables are defined by the user

  OpenTTD/nml#299 · Filter by author stormcone opened on Jul 18, 2023
  2

• Not enough random bits for the town name generation (34 needed, 32 available)

  OpenTTD/nml#275 · Filter by author Altitud49 opened on Dec 29, 2022
  5

• Document stations

  OpenTTD/nml#262 · Filter by author andythenorth opened on Aug 31, 2022
  1

• Support industry cargo subtype display without waiting amount

  OpenTTD/nml#221 · Filter by author frosch123 opened on Jun 8, 2021
  1

• Add AIR_DRAG_DEFAULT and AIR_DRAG_NONE constants

  OpenTTD/nml#219 · Filter by author frosch123 opened on Jun 3, 2021
  2

• Request: Add variable for xy coordinates of industries

  OpenTTD/nml#218 · Filter by author 2TallTyler opened on May 27, 2021
  5

• NML 5.3.0 windows binary is somewhat slow

  OpenTTD/nml#210 · Filter by author TheDude-gh opened on Apr 24, 2021
  2

• extract_tables.feature_names_table does not include "TILE"

  OpenTTD/nml#202 · Filter by author spnda opened on Apr 14, 2021

• Provide abstraction for intuitive behavior of "unavailable" variables

  OpenTTD/nml#198 · Filter by author frosch123 opened on Mar 30, 2021

• Suspected integer underflow when switch returns a negative number

  OpenTTD/nml#196 · Filter by author 2TallTyler opened on Mar 24, 2021
  8

• Document procedures for switches and random switches

  OpenTTD/nml#105 · Filter by author andythenorth opened on Apr 26, 2020
  7

• Extend roadtypes / tramtypes examples and provide tests

  OpenTTD/nml#47 · Filter by author andythenorth opened on Oct 15, 2019
  1