Corridor 10 Rail Push: Serbia’s environment ministry published cross-border details for modernizing the Corridor 10 rail line through North Macedonia, including a double-track electrified upgrade of about 195 km and speed targets up to 160 km/h for passengers; the plan is driven by replacing sections where old tunnels and tight curves cap speeds around 60 km/h. Gas Security Plan: Serbia’s energy minister Dubravka Djedovic Handanovic said new gas interconnections with North Macedonia and Romania are due within two years, aiming to diversify routes and suppliers and strengthen supply security, alongside upgrades to transport capacity, compressor stations, and storage. EU Enlargement Diplomacy: European Council President António Costa announced a Western Balkans tour (June 1–5) and will visit Skopje to discuss EU enlargement and regional stability, with the EU–Western Balkans Summit co-chaired in Tivat on June 5. EU Referendum Fight: North Macedonia’s government rejected opposition calls for an EU membership referendum, arguing reforms are already funded under the EU Growth Plan and that there’s no budget for a vote. Bulgaria’s EU Condition: Bulgaria’s foreign minister Velislava Petrova warned Skopje not to seek conflict with Sofia and said EU progress depends on fulfilling 2022 commitments. Legal/Language Tension: Albanian students’ protests over taking the bar exam in Albanian continue to spotlight the clash between language rights and the bar exam’s requirement for Macedonian and Cyrillic. Ex-PM Gruevski Extradition Watch: Reports say former PM Nikola Gruevski obtained Hungarian citizenship in 2022, while North Macedonia’s Justice Ministry says extradition procedures continue and the government lacks confirmation of the citizenship claim.