release: update appcast for v2.5.4
release: update appcast for v2.5.0
release: update appcast for v2.4.4
release: update appcast for v2.4.3
release: update appcast for v2.4.2
release: update appcast for v2.4.0
release: update appcast for v2.2.0
release: update appcast for v2.1.1
release: update appcast for v2.1.0
release: update appcast for v2.0.3