The European Central Bank's monetary stimulus in the euro zone has also generated additional demand in European Union members which still use their own currencies.

The minutes said the ECB should revisit its communication stance in early 2018 and gradually adjust its language to reflect improved growth prospects.

"The ECB minutes have stopped the earlier yield decline," one Budapest-based fixed income trader said.

"I do not think that the ECB could cause change in the thinking of the (dovish) Hungarian central bank very significantly, but it still watches the ECB," the trader added.

Central European currencies and bonds firmed earlier on Thursday due to increased appetite after Chinese regulators dismissed a media report the government is halting or reducing its purchases of US debt. They reversed the rise after the publication of the ECB minutes.

The forint, the zloty and the leu flattened out against the euro, and Croatia's kuna tested this year's weakest levels, shedding 0.1 percent to trade at 7.4585.

Only the crown retained some of its gains, after the Czech central bank announced a new strategy to manage its huge foreign currency reserves.

Nordea analyst Natalia Kornelia Setlak projected that the region's main currencies will strengthen this year, including the forint despite the Hungarian central bank's loose policy.

"Going forward, we expect a continued positive sentiment for the EM (emerging market) currencies this year," she said.

The dinar was steady at 118.8 against the euro after the Serbian central bank kept its benchmark rate on hold as expected, saying inflation was under control.

Elsewhere in the region, inflation concerns have led to rate hikes in Prague and Bucharest.

The Romanian central bank delivered its first hike in a decade on Monday.

A rise in the shares of Banca Transilvania, one of Romania's top banks, has been a key driver of Bucharest's equities index recently, which has outperformed the region with 5.2 percent rise this year, gaining 1.5 percent on Thursday.

Romania's government sold 500 million lei ($129.76 million)worth of 5-year bonds at an average yield of 3.8 percent at an auction as expected.

Hungarian government bond yields rose by about 3 basis points from the day's lows after the ECB minutes, but some bonds were still below late Wednesday levels.

The 10-year paper traded at a yield of 1.97 percent. Poland's corresponding yield initially dropped 5 basis points, but rose 6 basis points from there by late trade to 3.3345 percent.