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NoArbitraryIncompatibilityFlag
Removes incompatibility restrictions from RtD mods, allowing them to work with other popular Valheim mods.
CHANGELOG
Changelog
[1.1.1] - 2026-04-06
Changed
- Updated FAQ to address false claims about patcher causing bugs or performance issues
- Clarified that blocked mods work perfectly with RtD mods
- Documentation improvements
[1.1.0] - 2026-04-06
Changed
- Package structure updated for automatic installation with mod managers
- DLL now included in
patchers/folder within the zip file - Mod managers will now automatically place the patcher in the correct
BepInEx/patchers/directory - No more manual file moving required when using mod managers
[1.0.9] - 2026-04-06
Changed
- Implemented dual-layer defense combining Cecil IL patching with Harmony runtime patches
- Cecil layer strips incompatibility attributes and neuters detection code before any plugin loads
- Harmony layer provides fallback protection for runtime detection attempts
Technical Details
This version uses a two-layer defense strategy:
Layer 1: Cecil IL Patching (runs before any code loads)
- Strips all
[BepInIncompatibility]attributes from RtD mod types - Neuters the
Fail()method by replacing its body with justret - Removes throw statements from static constructor integrity checks
- NOPs all
Fail()calls inAwake()method
Layer 2: Harmony Runtime Patches (fallback protection)
- Patches
PluginInfo.Incompatibilitiesgetter to return empty array - Patches
Dictionary.ContainsKeyto hide our GUID - Patches
Assembly.GetName()to return fake name - Patches
AppDomain.GetAssemblies()to filter out our assembly with recursion guard
The Cecil layer handles the heavy lifting by modifying IL before execution. Even if RtD mods add new detection checks, they all ultimately call Fail(), which now does nothing. The Harmony patches remain as a safety net.
All modifications are in-memory only. BepInEx's patcher system loads DLLs into memory, passes them to our Patch() method as AssemblyDefinition objects, we modify the IL, and BepInEx loads the modified version into the CLR. Original DLLs on disk are never touched.
[1.0.8] - 2026-04-06
Changed
- Added runtime detection evasion for RtD mods
- Patcher now hides from all RtD detection mechanisms
- Assembly scanning is cached to prevent performance issues
Technical Details
RtD mods added detection checks in their Awake() method. The patcher uses Harmony to patch .NET runtime methods:
Dictionary<string, PluginInfo>.ContainsKeyreturns false when RtD mods check for our GUIDAssembly.GetName()returns a fake name when RtD mods scan loaded assemblies- Stack trace analysis identifies RtD mods by their "Soloredis." GUID prefix
- All modifications remain in-memory only
[1.0.7] - 2026-04-04
Changed
- Switched to runtime Harmony patching
- All modifications now happen in-memory only
- Patches
PluginInfo.Incompatibilitiesproperty getter at runtime
Technical Details
- Uses Harmony to intercept incompatibility checks
- Patches execute in BepInEx preloader Finish phase
- Returns empty incompatibility array for RtD mods
[1.0.6] - 2026-04-04
Changed
- Updated documentation to be strictly informational
- Removed informal language from documentation
[1.0.5] - 2026-04-04
Changed
- Updated patcher to handle integrity verification in RtD mods
- Modified approach to preserve method structures while bypassing compatibility checks
Technical Details
- RtD mods added integrity checks using IL bytecode inspection
- Patcher preserves original method structures to pass integrity verification
- Initialization flow is modified to skip compatibility checks
[1.0.4] - 2026-04-04
Changed
- Updated README with accurate log output examples
- Documentation improvements for clarity
[1.0.3] - 2026-04-04
Changed
- Rewrote detection code removal approach
- Now rebuilds initialization methods instead of patching IL instructions
- Reconstructs clean initialization flow without compatibility checks
Technical Details
- Rebuilds initialization methods to skip compatibility checks
- Clears problematic method bodies to prevent mod disabling
- More robust approach that works regardless of code structure
[1.0.2] - 2026-04-02
Changed
- Updated README to clarify that all RtD mods include compatibility restrictions
- Documentation accuracy improvements
[1.0.1] - 2026-04-02
Changed
- Updated README with additional documentation
- Added FAQ entries about compatibility handling
[1.0.0] - 2026-04-02
Changed
- Initial release
- Removes
[BepInIncompatibility]attributes from all RtD mods - Supports all 13 RtD mods (Ocean, Vines, Monsters, Souls, Biomes, Monstrum, Dungeons, FairyTale, Gardening, Horrors, Items, Magic, Souls_Addon)
- Removes blocks for 19 popular mods
- Automatic patching on game launch
Technical Details
- Patches DLL files using Mono.Cecil
- Works in BepInEx preloader phase
- Only patches when needed