- Fix: Vehicle image was not always updated when needed (r17594)
- Fix: [NoAI] Could not query the size of small airports when they could not be build anymore [FS#3212] (r17591)
- Fix: Erroneous message about changing the difficulty level [FS#3220] (r17588)
- Fix: Assertion triggered when the second vehicle in a 101+ (or 11+ if mammoth trains is disabled) vehicle free wagon chain is an engine and the first vehicle is moved to another chain [FS#3208] (r17576)
- Fix: [Squirrel] In some cases the call stack would not be cleaned up properly during crash handling. Occasionally this causes asserts to be triggered or crashes [FS#3189] (r17515)
- Fix: When loading GRFConfigs from ini file, validate them wrt. duplicate GRF IDs [FS#3197] (r17510)
- Fix: When building a part fails during cloning, sell what was already cloned instead of leaving it "for free". Also make cloning multiheaded trains possible with with "max - 1" vehicles existing [FS#3196] (r17509)
- Fix: The wrong value was restored to SetAllowDoCommand possible resulting in an AI that was not allowed to do any actions (r17500)