This content originally appeared on DEV Community and was authored by Muhammad Ahmad
Python 3.12.4, the latest minor release in the Python 3.12 series, brings various enhancements and bug fixes that improve performance, security, and usability. In this article, we will explore the key updates in Python 3.12.4 and compare them with previous versions like Python 3.11 and Python 3.10.
Key Features and Improvements in Python 3.12.4
1. Performance Enhancements
Python 3.12 continues the trend of optimizing performance. With Python 3.12.4, there are further improvements in interpreter efficiency, resulting in a noticeable speed increase compared to Python 3.11.
Example: Faster Function Calls
import time
def test():
return sum(range(1000000))
start = time.perf_counter()
test()
end = time.perf_counter()
print(f"Execution time: {end - start:.5f} seconds")
In Python 3.12.4, function calls and integer operations execute faster due to internal optimizations.
2. Better Error Messages
Python 3.12.4 continues improving error messages, making debugging easier for developers. The traceback now provides more context.
Example:
my_list = [1, 2, 3]
print(my_list[5]) # IndexError
The error message in Python 3.12.4 clearly indicates the attempted index and suggests a possible resolution.
3. Memory Management Improvements
Python 3.12.4 optimizes memory usage, reducing the overhead of small object allocations, leading to better efficiency in memory-intensive applications.
4. Security Fixes
This release patches vulnerabilities found in previous versions, ensuring better security for applications.
Comparison with Previous Versions
Feature | Python 3.12.4 | Python 3.11 | Python 3.10 |
---|---|---|---|
Execution Speed | Faster than 3.11 | Improved over 3.10 | Baseline |
Error Messages | More detailed | Improved but less verbose | Standard |
Memory Usage | More optimized | Moderate | Higher |
Pattern Matching | Stable & improved | Introduced | First experimental |
Security | Latest patches | Older patches | Less secure |
Example: Pattern Matching
Python 3.10 introduced structural pattern matching, and it has been further refined in 3.12.4.
Python 3.10 Implementation
match value:
case 1:
print("One")
case 2:
print("Two")
case _:
print("Other")
Python 3.12.4 Refinements
Python 3.12.4 optimizes pattern matching, making it more efficient in handling large case structures.
Conclusion
Python 3.12.4 builds upon previous versions with better performance, improved error messages, optimized memory management, and enhanced security. Developers upgrading from Python 3.11 or 3.10 will notice significant benefits, making it a worthwhile update.
Are you planning to upgrade to Python 3.12.4? Let us know your thoughts!
This content originally appeared on DEV Community and was authored by Muhammad Ahmad

Muhammad Ahmad | Sciencx (2025-02-09T05:23:31+00:00) Python 3.12.4: Features, Improvements, and Comparison with Previous Versions. Retrieved from https://www.scien.cx/2025/02/09/python-3-12-4-features-improvements-and-comparison-with-previous-versions/
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