How has support for format/write (legacy) changed across recent Perl versions?

Support for format and write functions in Perl has seen various enhancements and modifications across recent versions. These changes primarily focus on better handling of complex data structures and improved performance with formatted output.
Perl, format, write, legacy support, programming, data structures, performance 

# Example of using format and write in Perl

format STDOUT =
@<<<<<
$count, $name
.
# Sample data
$count = 1;
$name = "Perl";

write; # This will print the formatted output

Perl format write legacy support programming data structures performance

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