diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7803165ff..3ff218b11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,14 +12,12 @@
   - select from *scripts -> pixelsmith*  
 - [Hunyuan Video](https://github.com/Tencent/HunyuanVideo) LoRA support
   - example: <https://huggingface.co/Cseti/HunyuanVideo-LoRA-Arcane_Jinx-v1>
-- ZLUDA v3.8.6
-  - new runtime compiler implementation: complex types, JIT are now available
+- ZLUDA v3.8.7
+  - new runtime compiler implementation: complex types, JIT are now available  
+  - fast fourier transformation is implemented  
   - experimental BLASLt support via nightly build
     - set `ZLUDA_NIGHTLY=1` to install nightly ZLUDA: newer torch such as 2.4.x (default) and 2.5.x are now available  
     - requirements: unofficial hipBLASLt
-  - **Important**
-    - the support for older version of ZLUDA will be removed in next release
-    - see [upgrading ZLUDA](https://github.com/vladmandic/automatic/wiki/ZLUDA#upgrading-zluda) for more information
 - **Logging**:
   - reverted enable debug by default  
   - updated [debug wiki](https://github.com/vladmandic/automatic/wiki/debug)  
diff --git a/installer.py b/installer.py
index 49bcf8b77..5b6e4455a 100644
--- a/installer.py
+++ b/installer.py
@@ -588,7 +588,7 @@ def install_rocm_zluda():
         from modules import zluda_installer
         zluda_installer.set_default_agent(device)
         try:
-            if args.reinstall:
+            if args.reinstall or zluda_installer.is_old_zluda():
                 zluda_installer.uninstall()
             zluda_installer.install()
         except Exception as e:
diff --git a/modules/zluda_hijacks.py b/modules/zluda_hijacks.py
index 01ca4dec8..872127cf1 100644
--- a/modules/zluda_hijacks.py
+++ b/modules/zluda_hijacks.py
@@ -1,5 +1,5 @@
 import torch
-from modules import zluda_installer, rocm
+from modules import rocm
 
 
 _topk = torch.topk
@@ -9,32 +9,6 @@ def topk(input: torch.Tensor, *args, **kwargs): # pylint: disable=redefined-buil
     return torch.return_types.topk((values.to(device), indices.to(device),))
 
 
-_fft_fftn = torch.fft.fftn
-def fft_fftn(input: torch.Tensor, *args, **kwargs) -> torch.Tensor: # pylint: disable=redefined-builtin
-    return _fft_fftn(input.cpu(), *args, **kwargs).to(input.device)
-
-
-_fft_ifftn = torch.fft.ifftn
-def fft_ifftn(input: torch.Tensor, *args, **kwargs) -> torch.Tensor: # pylint: disable=redefined-builtin
-    return _fft_ifftn(input.cpu(), *args, **kwargs).to(input.device)
-
-
-_fft_rfftn = torch.fft.rfftn
-def fft_rfftn(input: torch.Tensor, *args, **kwargs) -> torch.Tensor: # pylint: disable=redefined-builtin
-    return _fft_rfftn(input.cpu(), *args, **kwargs).to(input.device)
-
-
-def jit_script(f, *_, **__): # experiment / provide dummy graph
-    f.graph = torch._C.Graph() # pylint: disable=protected-access
-    return f
-
-
 def do_hijack():
     torch.version.hip = rocm.version
     torch.topk = topk
-    torch.fft.fftn = fft_fftn
-    torch.fft.ifftn = fft_ifftn
-    torch.fft.rfftn = fft_rfftn
-
-    if not zluda_installer.get_blaslt_enabled():
-        torch.jit.script = jit_script
diff --git a/modules/zluda_installer.py b/modules/zluda_installer.py
index d6f4e51a5..8888a56f4 100644
--- a/modules/zluda_installer.py
+++ b/modules/zluda_installer.py
@@ -12,9 +12,11 @@
 DLL_MAPPING = {
     'cublas.dll': 'cublas64_11.dll',
     'cusparse.dll': 'cusparse64_11.dll',
+    'cufft.dll': 'cufft64_10.dll',
+    'cufftw.dll': 'cufftw64_10.dll',
     'nvrtc.dll': 'nvrtc64_112_0.dll',
 }
-HIPSDK_TARGETS = ['rocblas.dll', 'rocsolver.dll']
+HIPSDK_TARGETS = ['rocblas.dll', 'rocsolver.dll', 'hipfft.dll',]
 ZLUDA_TARGETS = ('nvcuda.dll', 'nvml.dll',)
 
 path = os.path.abspath(os.environ.get('ZLUDA', '.zluda'))
@@ -28,12 +30,16 @@ def set_default_agent(agent: rocm.Agent):
     default_agent = agent
 
 
+def is_old_zluda() -> bool: # ZLUDA<3.8.7
+    return not os.path.exists(os.path.join(path, "cufftw.dll"))
+
+
 def install() -> None:
     if os.path.exists(path):
         return
 
     platform = "windows"
-    commit = os.environ.get("ZLUDA_HASH", "d60bddbc870827566b3d2d417e00e1d2d8acc026")
+    commit = os.environ.get("ZLUDA_HASH", "c4994b3093e02231339d22e12be08418b2af781f")
     if nightly:
         platform = "nightly-" + platform
     urllib.request.urlretrieve(f'https://github.com/lshqqytiger/ZLUDA/releases/download/rel.{commit}/ZLUDA-{platform}-rocm{rocm.version[0]}-amd64.zip', '_zluda')
@@ -80,11 +86,6 @@ def load() -> None:
     os.environ["ZLUDA_COMGR_LOG_LEVEL"] = "1"
     os.environ["ZLUDA_NVRTC_LIB"] = os.path.join([v for v in site.getsitepackages() if v.endswith("site-packages")][0], "torch", "lib", "nvrtc64_112_0.dll")
 
-    try: # for compatibility. will be removed in next release
-        ctypes.windll.LoadLibrary(f'hiprtc{"".join([v.zfill(2) for v in rocm.version.split(".")])}.dll')
-    except Exception:
-        pass
-
     for v in HIPSDK_TARGETS:
         ctypes.windll.LoadLibrary(os.path.join(rocm.path, 'bin', v))
     for v in ZLUDA_TARGETS: