Shared ground
Mary Magdalene is portrayed as the one who stays when others leave. The text highlights her grief, her assumption that the body has been moved, and her persistence in looking for Jesus (as a corpse). The narrative then shifts to a living encounter: Mary sees Jesus but fails to recognize him until he addresses her personally by name.
The passage also presents Mary as the first messenger to the disciples in this scene. Her report has two parts: she has seen “the Lord,” and she relays Jesus’ message about his coming ascent to the Father.
Where interpretation differs
1) Why Mary does not recognize Jesus at first. Some readers think the main reason is ordinary: tears, low light, and expectation (she is looking for a body, not a person). Others think the text implies more than circumstance—God’s action or Jesus’ changed, resurrection appearance that is not immediately identifiable.
2) What Jesus means by “Don’t touch me.” Some take it as a straightforward prohibition on physical contact at that moment (she must not hold on to him). Others read it as “Don’t keep clinging to me,” meaning she should not try to keep Jesus present in the old way because the relationship is about to change as he returns to the Father.
3) How “not yet ascended” fits with the rest of the chapter. Many read it as a timeline statement: Jesus’ return to the Father has begun but is not complete. Others think it mainly explains why Mary must not treat this meeting as the final, settled mode of Jesus’ presence.
Why the disagreement exists
The passage gives the key statements but not the full background: it does not explain why recognition fails, what kind of touching is involved, or how the “ascend” timetable connects to later resurrection appearances. Those gaps lead interpreters to weigh narrative clues (Mary’s tears, mistaken identity, Jesus’ wording) differently.
What this passage clearly contributes
The text strongly emphasizes movement from misunderstanding to recognition: Mary’s “someone took him” becomes “I have seen the Lord.” It also links recognition to Jesus’ initiative (“Mary”) and to a re-framing of Jesus’ status after resurrection: he speaks of going to “my Father and your Father, and my God and your God.” Explicitly, Mary’s role is to carry this announcement to the disciples, placing her testimony at the start of the chapter’s wider pattern of resurrection appearances and reports (John 20:11–18).