BANGKOK — Tuesday brought rare good news from Myanmar: Photographs and videos of two beaming journalists, reunited with their wives and young children after spending 16 months in prison.

The release of the journalists, U Wa Lone and U Kyaw Soe Oo, who were detained for covering Myanmar’s deadly crackdown on the Rohingya minority group, is likely to relieve immediate pressure on the country’s quasi-democratic government from world leaders, rights organizations and others who had rallied to their cause.

But the act does not otherwise move the needle for freedom of expression and other rights that are in jeopardy in Myanmar, analysts and activists said. Dozens of political detainees are languishing behind bars, and dozens more face criminal defamation charges.

“It is something to celebrate that these two were released,” said David Mathieson, an independent analyst in Yangon, Myanmar’s largest city. “But the picture remains quite bleak when it comes to press freedom.”