2.7.00

• Gameplay:
  • Player can cancel Monopoly, Year of Plenty cards while choosing resources, or Knight card while moving the robber or pirate
    • Dev card is returned to their hand
    • That player's client must be v2.7.00 or newer
  • New optional house rule: Allow undo building and moving pieces (client v2.7.00 or newer)
    • Is on by default when client and server both support the option
    • Builds/moves which reveal fog hexes can't be undone, so players can't peek to choose the best hex
• I18N:
  • Added German translation (thank you Eudoxia and Quasigroup)
  • Updated Polish translation (thank you KotCzarny)
• Client:
  • Game window:
    • For visibility when a player builds, highlight most recently placed piece until end of their turn
    • Bank/port trade: Bugfix: After making a trade, if player wants to undo that trade but accidentally clicks "Bank/Port" instead of "Undo", couldn't then click Undo
    • Road Building: Confirm when player skips (cancels) placing second free road or ship
    • Statistics dialog shows player's resource rolls and trades
  • Main window:
    • Version info is underlined; click to show new "About JSettlers" dialog
    • "What's New" info can be shown from About dialog
• Server:
  • Bugfix: If player cancels Road Building with Cancel Ship button, server now allows playing another card
  • Send a message to idle clients every few minutes, so their ISP or NAT doesn't disconnect them from games
  • New *MUTE* and *UNMUTE* commands for game's creator or admin to manage that game's chat with players and observers
• Other changes: see Versions.md