Heres a summary of what has been changed and added in BFPirates 1.0:

New Vehicles:
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Brig
Mosquito
2-pirate Dinghy
Komodo Dragon (swimming)
Cutter


Gameplay Fixes and Changes:
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Fixed - "sticky pistol"
Fixed - "double-reload"
Fixed - map glitches and playability issues
Change - no vehicle "position hopping" (great board and sword action)
Change - matched falconet reload time with musket
Change - new 8lber (improved spawning, ruggedness, reduced water damage)
Change - Balloons (restricted falconet depression angle, maximum altitude, damage from water)
Change - Ships (all can shoot broadside cannons depress and well as elevate)
Change - Rum added to galleons
Change - Climbable sides on Runabout


New Skins:
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Lots of tweaks and new threads, seek for yerself, ye swab.

New Effects:
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Flaming Ships
Exploding Cannons
Thunder and Lightning
Rain
Night Maps


Maps:
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AZURE SEAS
BEACHED
BLACKBEARDS BOOTY
BLACK SANDS BUCANNEERS
BLOODY BAYOU
BROKEN ALLIANCE
CANNONBALL COAST
CUT THROAT CREEK
DEAD CALM
DIRE STRAITS
DOMES OF DOOM
FRYLAR
HAUNTED COVE
HIGH TIDE
IMMINENT EXPLOSION
KING OF THE CARRIBEAN
KOMODO ISLAND
MAROONED
MR COCONUTS ISLAND GETAWAY
MYSTERIOUS MOUNTAIN
PENNINSULA OF PAIN
PRISON ISLE
SANCTUARY
SCURVY COVE
SCURVY COVE CLASSIC
SHARK HAVEN
SHIVER ME TIMBERS
SHORT ON SUPPLIES
TEACHS WIT
TIDES OF BLOOD
TORTUGA
TWO FORTS
UNCHARTED WATERS