Basic Concepts I

• Improved Operators Precedence Table
• Minor improvements for floating point section

Basic Concepts III

• Added if constexpr pitfalls
• Added volatile keyword
• Improved struct and union section
• Fixed C++17 out-of-range assignment to enum

Basic Concepts IV

• Fixed typos #10, thanks to @kimsoohwan

Object Oriented I

• Added physical vs. logical state notes of struct/class
• Improved Access specifiers section
• Simplified the ''Most Vexing Parse" problem section

Object Oriented II

• Improve overview of operator overloading

Translation Units II

• Typo fixing

Code Convention

• Reorganized/improved Project Organization section
• Added references to column limit note

Ecosystem I

• Added Unit/Functional test explanation

Advanced Topics I

• Improved ref-qualifiers overloading section + volatile overloading

Advanced Topics II

• Improved undefined behavior section and added examples of Function evaluation ordering and Signed overflow

Optimization I

• Added Moore's Law Limitations and refactoring

Optimizations II

• Improved Operations section, add logic vs. bitwise evaluation

Optimization III

• Improved cache behavior section
• Added multi-threads considerations
• Improved benchmarking section: added Instruction order issue and actual values vs. power consumption
• Improved optmization flags section: added windows equivalent, -Oz, -mfma, instruction set flags
• Added -fno-signaling-nans