Release v1.6.0

Changes since v1.5.256:

• Assets: map and demo updates to use the new slopes feature.
• Engine: early preparations for having multiple level files.
• Engine: support slopes.
• Engine: update Go modules.
• Engine: update to Go 1.23. This ends support for Big Sur.
• Physics: allow stepping up when barely clipping a corner.

Release v1.5.256

Changes since v1.5.250:

• Level: add a wall picture in a hard to reach place.

Release v1.5.250

Changes since v1.5.220:

• Engine: minor module updates.
• Engine: new "borderstretch" shader for use with fixed screen devices where
  letterboxing might look bad.
• Game: do not award "all secrets" run if any secret checkpoint is missing.
• Music: fix looping on "next to you" track.

Release v1.5.220

Changes since v1.5.208:

• Engine: fix error reporting.
• Engine: move Ebitengine to v2.8.3
• Mobile: declare min iOS requirement to be 13.0.

Release v1.5.208

Changes since v1.5.202:

• Engine: improve compile flags to make the binary smaller.
• Engine: modules update, including Ebitengine 2.8.0.

Release v1.5.202

Changes since v1.5.190:

• Engine: fix game hanging at start on ChromeOS.
• Engine: make singlethreaded-ness a runtime option.
• Engine: module updates, including Ebitengine 2.7.9.
• Engine: remove runnable_when_unfocused workaround.

Release v1.5.190

Changes since v1.5.183:

• Translations: more updates to Ukrainian.

Release v1.5.183

Changes since v1.5.173:

• Engine: updated libraries.
• Translations: updates to Ukrainian translation (thanks, EGYT!).

Release v1.5.173

Changes since v1.5.139:

• Android: bump target SDK to 34 (required by Google Play).
• Libraries: update Ebitengine from 2.7.4 to 2.7.7.
• Snap: also use the SVG icon.
• Translations: updates to Chinese (Traditional)

Release v1.5.139

Changes since v1.5.129:

• Engine: add more profiles.
• Modules: bump github.com/hajimehoshi/ebiten/v2 from 2.7.3 to 2.7.4
• Translation: minor updates to Chinese (Traditional).