v2.9.0

Judgels client

New features

• Indicate problem review more clearly by tag by @fushar in #548
• Wait chapter problem submission until graded then reload by @fushar in #550, #551
• Add chapter navigation at the bottom of problem by @fushar in #552
• Disable code editor when initial code skeleton is not yet modified by @fushar in fbf66ba
• Make problem review bar more visible and clear by @fushar in 7f24a07, 0f17dad, c58e92f
• Scroll to top after navigating chapters by @fushar in 216ee1b
• Use lighter color for strong texts in dark mode by @fushar in 73bb45c
• Make Ace code editor sticky by @fushar in 2d253b7, d9bf21a

Bugfixes

• Show at most 2 courses in a row by @fushar in #549
• Put pagination state in browser URL to handle back button better by @fushar in #554

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Full Changelog: v2.8.0...v2.9.0