Version 4.2.0 - The Spectre Update

[past-due]

With 340 commits since the last release, it’s time for Warzone 2100 v4.2.0!

This release includes Spectators, Replays, Ultimate Scavengers, numerous fixes for multiplayer / skirmish balance, and more!

4.2.0 General Highlights:

• Add Ultimate Scavengers to the game
• Spectators for multiplayer games
• Recorded replays for skirmish / multiplayer
• Headless / autohost enhancements, spectator stats, lobby chat slash commands
• Return units to mobile turrets & better distribute around multiple repair points
• Update camBalance for Gamma (Campaign rebalance is basically complete)
• Increase oil drum power in Campaign Beta (150) and Gamma (200)
• Add new random maps "DustyMaze": one 2-player and two 4-player maps
• Use a stable config directory for release builds
• Implement remove from group shortcut
• Make selected structures and units blink on radar
• Add "power per second" to powerbar tooltip
• Major revision to the Blender 2.9x .PIE file addon
• Multiplayer balance changes (see full changelog)
• Fix: Orders from Commanders after loading saves
• Fix: Don't reveal artillery unless the CB tower is completely built
• Fix: Sensors logic under commander so attaching them isn't useless
• Fix: Only play "assigned to commander" sound if group is not full
• Fix: Don't block ready status button when player clicks ready too fast
• Fix: Primary AA turret units not attacking things if the Secondary could, among other fixes
• Fix: Don't crash with JumpToResourceExtractor keybind after level reload
• Fix: Prevent old transporter issue on Beta-end that can lead to level failure
• And many other bug & crash fixes