v6.9.0

What's Changed

• [8804who] WEEK 09 Solutions by @8804who in #2256
• [radiantchoi] WEEK 09 Solutions by @radiantchoi in #2258
• [se6816] WEEK 09 solutions by @se6816 in #2263
• [rivkode] WEEK 09 Solutions by @rivkode in #2253
• [doh6077] WEEK 09 Solutions by @doh6077 in #2254
• [socow] WEEK 09 Solutions by @socow in #2255
• [dylan-jung] WEEK 09 Solutions by @dylan-jung in #2257
• [ys-han00] WEEK 09 solutions by @ys-han00 in #2259
• [ppxyn1] WEEK 09 Solutions by @ppxyn1 in #2260
• [sangyyypark] WEEK 09 Solutions by @sangyyypark in #2261
• [Seoya0512] WEEK 09 Solutions by @Seoya0512 in #2262
• [chjung99] WEEK 09 solutions by @chjung99 in #2266
• [juhui-jeong] WEEK 09 solutions by @juhui-jeong in #2265
• [Blossssom] WEEK 09 solutions by @Blossssom in #2264

Full Changelog: v6.8.0...v6.9.0