Making code reverse compatible to fit this standard sometimes breaks functionality but this is a good recommendation to follow on new code code

Risk Assessment

Modifying string literals can lead to abnormal program termination and results in undefined behavior that can be used in denial-of-service attacks.

Rule	Severity	Likelihood	Remediation Cost	Priority	Level
STR30-C	1 (low)	3 (likely)	3 (low)	P9	L2

Examples of vulnerabilities resulting from the violation of this rule can be found on the CERT website.

References:

...