The San Francisco 49ers have indeed made significant strides since their memorable Thursday Night Football Color Rush game against the Los Angeles Rams in 2017. In that matchup, the 49ers showcased their bright red uniforms, but ultimately fell short against the Rams, highlighting a challenging season for the team.

Since then, the 49ers have undergone a transformation both in terms of their roster and overall performance. Key developments include:

1. **Coaching Changes**: The hiring of head coach Kyle Shanahan has been a pivotal moment for the franchise. His offensive schemes and innovative play-calling have revitalized the team’s identity.

2. **Draft Success**: The 49ers have made impactful draft selections, including quarterback Jimmy Garoppolo, defensive stars like Nick Bosa, and emerging talents that have solidified both offense and defense.

3. **Defensive Dominance**: The 49ers’ defense has become one of the most formidable units in the league, known for its pass rush and ability to create turnovers, which has been crucial in their playoff runs.

4. **Playoff Appearances**: The team has returned to the postseason, including a trip to the Super Bowl in the 2019 season, showcasing their growth and competitiveness in the league.

5. **Culture and Resilience**: The 49ers have fostered a strong team culture, emphasizing resilience and teamwork, which has translated into better on-field performances.

Overall, the journey from that 2017 TNF clash to the present reflects a commitment to rebuilding and improving, positioning the 49ers as a strong contender in the NFL today. The team’s evolution is a testament to strategic decisions made both on and off the field.