openBVE v1.5.3.1

Significant Changes:

• New: Mirror command for B3D / CSV objects. http://bveworldwide.unlimitedboard.com/t1475-suggestion-mirrored-face-command#16040
• Fix: Joystick support broken
• Fix: Several issues with animated objects using TextureShifting
• Fix: Several issues with sounds in animated objects
• Fix: Glitch when backgrounds changed
• Fix: Issue with distance scripted markers
• Change: Cache train objects whilst loading
• Change: Accept Track.Background as a valid command
• Change: Walls and Dikes accept L / R as a valid direction. See the following errata note: https://github.com/leezer3/OpenBVE/wiki/Errata#l--r-now-accepted-as-valid-wall--dike-directions

Content-Specific Fixes:

• Hacks: Fix issues when the first number in certain B3D / CSV commands is omitted
• Hacks: Routefile specific fix for 目蒲線普.csv
• Hacks: Routefile specific fix for Zwolle - Vlissingen
• Hacks: Fix initial zoom for LT1938 Stock (BVE4) panel
• Hacks: Fix panel scroll range for TOQ2000 & TOQ8000
• Hacks: Fix incorrect panel eye position for 81-71