Afghanistan's top official in charge of peace efforts with the Taliban met with an array of top Pakistani officials, and observers say his three-day visit heralds a new era of positivity.
If true, this development represents a serious violation of the agreement with the government, and increases doubts about whether the Taliban will live up to its commitments in the long-run.
Afghans from across the country gathered to urge both sides to declare a ceasefire and work at hammering out a peace deal that would end the long-standing conflict.
Afghan and US officials praised Pakistan's role in facilitating the peace talks between the Afghan government and the Taliban under way in Doha.
The preservation of women's rights and the cessation of violence remain crucial red lines, Afghan government negotiators say.
The talks should continue in the 'spirit of moving towards peace', said High Council for National Reconciliation Chairman Abdullah Abdullah.
A date for the talks, to be hosted in Doha, Qatar, has not been set, but both sides this week have signalled that negotiations could launch soon.
A Taliban delegation is in Islamabad just days after Pakistan reiterated UN sanctions against the group.
The release of 400 militants is seen as the last step before peace talks, but only 80 have been set free so far.
The start of intra-Afghan peace talks hangs on the release of the prisoners, but President Ashraf Ghani said it is 'not possible to release them without consulting the nation'.