diff --git a/bzchlorine2/changelog.txt b/bzchlorine2/changelog.txt
index 23d238a..39b5261 100644
--- a/bzchlorine2/changelog.txt
+++ b/bzchlorine2/changelog.txt
@@ -1,135 +1,5 @@
 ---------------------------------------------------------------------------------------------------
-Version: 0.1.5
-Date: 2024-03-24
+Version: 2.0.0
+Date: 18.10.2025
   Changes:
-    - K2 + SE: Cut the time for salt water electrolysis to balance energy requirements to be close 
-      to what they were prior to SE changes. As of now the time is 1.25s, down from 3.5s; both at
-      5.17MW. Before the SE changes, it was 2.5s at 2.58MW.
----------------------------------------------------------------------------------------------------
-Version: 0.1.4
-Date: 2023-04-23
-  Fixes:
-    - K2: When used with Natural Gas mod, unlock alternate bakelite recipe
----------------------------------------------------------------------------------------------------
-Version: 0.1.3
-Date: 2023-04-16
-  Localization:
-    - zh-CN thanks to Klarkxy
----------------------------------------------------------------------------------------------------
-Version: 0.1.2
-Date: 2023-04-16
-  Features:
-    - K2 matter
-  Changes:
-    - K2 salt water electrolysis time cut in half (due to higher chlorine demands)
-  Fixes:
-    - Mining particle graphics update
----------------------------------------------------------------------------------------------------
-Version: 0.1.1
-Date: 2023-03-28
-  Fixes:
-    - VortiK Deep Core Mining compatibility: en locale strings 
----------------------------------------------------------------------------------------------------
-Version: 0.1.0
-Date: 2023-03-28
-  Fixes:
-    - Fix startup issue when used with Natural Gas, without phenol.
----------------------------------------------------------------------------------------------------
-Version: 0.0.13
-Date: 2023-02-12
-  Fixes:
-    - Startup fix for Bob's Assembling Machines. Warning, no recipe/tech changes.
----------------------------------------------------------------------------------------------------
-Version: 0.0.12
-Date: 2023-02-12
-  Changes:
-    - Crafting efficiency improvements, thanks to nihilistzsche
----------------------------------------------------------------------------------------------------
-Version: 0.0.11
-Date: 2023-01-17
-  Features:
-    - (Beta) Crafting efficiency compatibility
-  Localization:
-    - ru by CV514
----------------------------------------------------------------------------------------------------
-Version: 0.0.10
-Date: 2022-01-06
-  Fixes:
-    - GDIW, etc: With vinyl chloride, flipped plastic recipe should now be the updated recipe.
-  Changes:
-    - PCBs can benefit from productivity modules by default now.
----------------------------------------------------------------------------------------------------
-Version: 0.0.9
-Date: 2022-12-30
-  Changes:
-    - K2: Final advanced circuit recipe is faster now
-  Fixes:
-    - ModMash Splinter Subspace Logistics compatibility fix
----------------------------------------------------------------------------------------------------
-Version: 0.0.8
-Date: 2022-12-29
-  Changes:
-    - Move several recipes into "fluid-recipes" subgroup, so they show up in standard place in GUI.
----------------------------------------------------------------------------------------------------
-Version: 0.0.7
-Date: 2022-12-28
-  Changes:
-    - K2: PCBs used for advanced circuits instead of electronic components
-    - Less copper required for PCBs
----------------------------------------------------------------------------------------------------
-Version: 0.0.6
-Date: 2022-12-28
-  Fixes:
-    - Fix load error with AAI Loaders
----------------------------------------------------------------------------------------------------
-Version: 0.0.5
-Date: 2022-12-27
-  Localization:
-    - ja by Sakuro
----------------------------------------------------------------------------------------------------
-Version: 0.0.4
-Date: 2022-12-24
-  Fixes:
-    - SE/K2: Iridium powder can be made in normal chem plant
-    - Without "more intermediates", PCB can be made in normal chem plant
-  Changes:
-    - Thumbnail tweak
-    - Early game salt: New setting to choose one or both of
-      From water in fluid-enabled tier 1 assemblers (or tier 0 with AAI Industry) (default)
-      A starting area salt patch, and more salt near starting area
-    - Rebalance advanced circuits, they require much lower quantities of raw materials.
-      There still may be future balance tweaks.
-    - SE: Less salt in core mining
-    - SE: thermofluid basic recipe requires salt
-  Features:
-    - SE: delivery cannon for salt
----------------------------------------------------------------------------------------------------
-Version: 0.0.3
-Date: 2022-12-05
-  Changes:
-    - K2: Smelting-crafting electronic component recipe uses PCB now. Note that the SE+K2 lithium
-      recipe cannot currently be modified in a reasonable fasion, so that one is still unchanged. 
-      Will be updated as soon as able.
-  Fixes:
-    - Low res added for salt patches
----------------------------------------------------------------------------------------------------
-Version: 0.0.2
-Date: 2022-12-04
-  Features:
-    - When used with Graphite & Diamonds, carbon fiber is enabled
-  Changes:
-    - Some recipe tweaks and changes, including an alternate ferric chloride recipe.
-  Fixes:
-    - Fix load issue when salt patches are turned off.
----------------------------------------------------------------------------------------------------
-Version: 0.0.1
-Date: 2022-08-05
-  Features:
-    - Alpha release.
-    - Adds salt, chlorine, hydrogen chloride, epoxy, printed circuit boards and more.
-    - Optionally adds ferric chloride and vinyl chloride
-    - Compatible with Krastorio 2
-    - Compatible with Space Exploration
-    - Compatible with Bob's Electronics
-    - Compatible with deadlock stacking/crating
-    - Compatible with many other mods
+    - Update to Factorio 2.0
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