Sources: 

Trump announced he would review a new 14-point proposal from Iran, as reported by the Islamic Revolutionary Guard Corps-affiliated Tasnim news agency. This proposal comes amid increasing military actions by Israel in Lebanon, which have resulted in the destruction of over
250,000 housing units since October 2023.
The proposal suggests a negotiated ceasefire, with Iran pushing for resolution within
30 days rather than extending a ceasefire for two months as the U.S. suggested. Critics argue that the U.S. naval blockade of Iran has hindered diplomatic progress, according to
Trita Parsi of the Quincy Institute for Responsible Statecraft.
The U.S. has further complicated negotiations by fast-tracking arms sales worth over
$8.6 billion to its Middle Eastern allies, with Secretary of State
Marco Rubio asserting that an emergency justifies these transfers.
Despite the escalating military tensions, Trump remarked that negotiations might still be possible but cautioned against settling for unfavorable terms, stating,
“Frankly, maybe we’re better off not making a deal at all,” hinting at his frustrations with the ongoing conflict.
The situation remains volatile as Iran is reportedly facing difficulties exporting oil due to sanctions, with predictions that the country could face severe production cuts soon if the current trade dynamics persist.
Sources: 

Former President Trump indicated he will review Iran's 14-point proposal amid escalating tensions in the region, especially as Israel intensifies military actions in Lebanon. The U.S. has authorized over $8 billion in arms sales to Middle Eastern allies, complicating diplomatic efforts.