• Now a::B = c should evaluate a then c.
• Anonymous arguments *, **, & can be passed for forwarding.
• Multi-precision integer is available now via mruby-bigint gem.

• -b only specifies the script is the binary. The files loaded by -r are not affected by the option.
• mruby now loads complied binary if the suffix is .mrb.

• Add --no-optimize option to disable optimization.

• mruby-errno gem is now bundled.

• Add Class#subclasses method.
• Add Module#undefined_instance_methods method.

Following CVEs are fixed.

• CVE-2022-0481
• CVE-2022-0525
• CVE-2022-0570
• CVE-2022-0614
• CVE-2022-0623
• CVE-2022-0630
• CVE-2022-0717
• CVE-2022-1212
• CVE-2022-1276
• CVE-2022-1286