Update some maps

CMBW-maps/melee/1v1/Class 1 - Empire/Changelog - Empire-class.md

@@ -5,7 +5,7 @@ Empire-class maps are used in premiere 1 vs 1 tournaments. They are balanced aro
 
 This document logs changes to Empire-class maps. The current map listing always resides below this notice, followed by changes to the individual maps. Changes are listed from newest to oldest.
 
-## Empire-class maps - 26 February 2025
+## Empire-class maps - 29 April 2025
 - (2)Apollo 1.5 by Btyb
 - (2)Brainstorm 1.1 by Pr0nogo
 - (2)Crisis Vector 1.0 by JujiK
@@ -27,11 +27,14 @@ This document logs changes to Empire-class maps. The current map listing always
 - OUT TO CLASS 2: Paradise, Tesseract
 - IN FROM CLASS 0: Brainstorm, Crisis Vector, Qinngua Valley, Decapitation, Mass Destruction
 
-## Checkstealer 1.2
+## Blackwater Bastion 1.4 -- 30 April 2025
+- Added space between central Vespene Geysers and nearby walls to prevent units from getting stuck (r. Krankendau)
+
+## Checkstealer 1.2 -- 29 April 2025
 - Converted 12 and 6 o'clock bases to highground
 - Added highground path leading to 12 and 6 o'clocks, between horizontal spawns
 
-## Apollo 1.5, Dyadic Shore 3.1, Frosted Forest 1.2, Radium 1.5, Serenity 1.3
+## Apollo 1.5, Dyadic Shore 3.1, Frosted Forest 1.2, Radium 1.5, Serenity 1.3 -- 27 April 2025
 - Various visual improvements and updates
 
 ## Demilune 1.5 -- 29 March 2025