Edvinsson, 19, has recorded 19 points (2-17-19), 18 penalty minutes and a plus-13 rating in 44 regular season games for Frolunda HC of the Swedish Hockey League and was named a finalist for the SHL Rookie of the Year Award. He led all league rookies with an average of 19:46 time on ice and his 19 points were fourth-most all time for a defenseman under the age of 19 in the SHL - trailing only Victor Hedman (21 points, 2008-09), Tomas Jonsson (20 points, 1978-79) and Rasmus Dahlin (20 points, 2017-18). The 6-foot-5, 205-pound defenseman also chipped in two assists and two penalty minutes in five postseason contests, helping Frolunda to the SHL playoff semifinals. Edvinsson also tallied three points (1-2-3) in two games representing Sweden at the 2022 IIHF World Junior Championship before the tournament was cancelled due to concerns surrounding the coronavirus.

Drafted by the Red Wings in the first round (sixth overall) of the 2021 NHL Entry Draft, Edvinsson saw time in three different leagues during the 2020-21 campaign, playing primarily for Frolunda HC where he started the season with the club's under-20 team and contributed six points (1-5-6), a plus-four rating and 10 penalty minutes in 14 games. He then made his professional debut by skating in 14 games with second-tier Vasteras IK where he logged five assists, before graduating to Frolunda's SHL team where he appeared in 10 games and notched one assist. Edvinsson captured a bronze medal with Sweden to finish the season, picking up four points (1-3-4) in seven games at the 2021 IIHF World Under-18 Championship to lead the team's defensemen in scoring. Additionally, Edvinsson represented his country at the 2019 World Under-17 Hockey Challenge, racking up five assists in five games.

The Kungsbacka, Sweden, native was teammates on Frolunda with fellow Red Wings prospects Elmer Soderblom (2019, 159th overall), Theodor Niederbach (2020, 51st overall) and Liam Dower-Nilsson (2021, 134th overall). Current Red Wings' rookie forward Lucas Raymond (2020, fourth overall) and defenseman Gustav Lindstrom (2017, 38th overall) are also graduates of the Frolunda program.