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Description
Steps to Reproduce
- Create a Python Application project, add simple Python code.
from math import cos, radians
# Create a string with spaces proportional to a cosine of x in degrees
def make_dot_string(x):
rad = radians(x) # cos works with radians
numspaces = int(20 * cos(radians(x)) + 20) # scale to 0-40 spaces
st = ' ' * numspaces + 'o' # place 'o' after the spaces
return st
def main():
for i in range(0, 1800, 12):
s = make_dot_string(i)
print(s)
main()
- Enable "Native Code Debugging" in project settings / debug page.
- Set breakpoint and start debugging.
- Observes
Expected behavior
It should hit the breakpoint.
Additional context and screenshots
Python3.14 failed to hit breakpoint.

Output
'python.exe' (Win32): Loaded 'C:\Program Files\Python314\python.exe'. Symbols loaded.
'python.exe' (Win32): Loaded 'C:\Windows\System32\ntdll.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\kernel32.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\KernelBase.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\ucrtbase.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Program Files\Python314\vcruntime140.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Program Files\Python314\python314.dll'. Symbols loaded.
'python.exe' (Win32): Loaded 'C:\Windows\System32\ws2_32.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\version.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\rpcrt4.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\msvcrt.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\bcrypt.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\advapi32.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\sechost.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Program Files\Microsoft Visual Studio\18\Canary\Common7\IDE\Extensions\Microsoft\Python\Core\Microsoft.PythonTools.Debugger.Helper.x64.dll'. Symbols loaded.
'python.exe' (Python): Loaded ''. Module was built without symbols.
The thread 8220 has exited with code 836370432 (0x31da0000).
'python.exe' (Win32): Loaded 'C:\Windows\System32\bcryptprimitives.dll'. Symbol loading disabled by Include/Exclude setting.
'python.exe' (Win32): Loaded 'C:\Windows\System32\kernel.appcore.dll'. Symbol loading disabled by Include/Exclude setting.
The thread 10380 has exited with code 0 (0x0).
The thread 14084 has exited with code 0 (0x0).
The thread 7660 has exited with code 0 (0x0).
The program '[9564] python.exe' has exited with code 0 (0x0).
