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We're pausing new challenges
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15
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1166
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June 6, 2026
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January 2026 Roadmap
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11
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818
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January 31, 2026
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Challenge stage #XV6: cannot figure out the problem (C++)
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17
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242
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November 16, 2025
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Free challenge for the month?
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9
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308
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March 3, 2026
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#UN3 recent test case mismatch in ls
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28
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160
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January 25, 2026
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Multiple completions #WH6 - Zsh like behavior
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12
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196
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September 26, 2025
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How to deal with Precision loss in scores in sorted sets for geospatial data
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11
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202
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September 1, 2025
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Vikashvisu: Issue with #ec3 (List) Blocking retrieval
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15
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176
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September 6, 2025
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#xv6 failed test! I have passed some test, but other test failed!
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9
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196
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July 18, 2025
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Stuck on MG5: Locate executable files
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9
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146
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February 11, 2026
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Stuck at WAIT with multiple commands #na2
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10
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130
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August 14, 2025
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Weird bug in stage #FD8: Fetch multiple messages from disk
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11
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97
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September 23, 2025
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#QP2 : Help in Java
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9
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78
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January 27, 2026
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Will branches and PR style workflows work?
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12
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66
|
May 12, 2026
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Bug in Starting background jobs #at7?
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10
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90
|
April 14, 2026
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Tests attempt to connect before code is ready
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16
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50
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April 30, 2026
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Your_program.sh in rust needs the --quiet flag
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10
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50
|
May 4, 2026
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New challenge: Build your own Claude Code
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0
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1333
|
February 4, 2026
|
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New Feature: View stage instructions via CLI
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0
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189
|
October 15, 2025
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New extension: Authentication (Redis)
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0
|
477
|
November 6, 2025
|
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November 2025 Roadmap
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0
|
281
|
October 28, 2025
|
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New Feature: Update language version
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0
|
301
|
September 9, 2025
|
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New Feature: Custom commit messages
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0
|
67
|
April 23, 2026
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New extension: AOF Persistence (Redis)
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0
|
360
|
April 17, 2026
|
|
March 2026 Roadmap
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0
|
306
|
March 9, 2026
|
|
New extension: Quantifiers (grep)
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0
|
250
|
October 21, 2025
|
|
Just received the email, what expectations can we have from now on?
|
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1
|
325
|
May 23, 2026
|
|
Test Runners Now 2-10x Faster
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1
|
83
|
October 6, 2025
|
|
February 2026 Roadmap
|
|
2
|
392
|
February 10, 2026
|
|
Opinion: Claude Code challenge should be prioritized
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4
|
301
|
March 18, 2026
|
|
New extension: Geospatial (Redis)
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1
|
508
|
August 30, 2025
|
|
Can we have some extension updates for bittorrent?
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2
|
133
|
March 18, 2026
|
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GEOSEARCH difficulty feels underrated
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0
|
75
|
April 7, 2026
|
|
"Concepts" tab should tell about shell grammar, lexer and parser
|
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2
|
83
|
March 14, 2026
|
|
Feedback about the course
|
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7
|
201
|
March 14, 2026
|
|
#FF2 - Implement the agent loop - Imprecise instructions
|
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3
|
150
|
February 24, 2026
|
|
New extension: Lists (Redis)
|
|
0
|
224
|
July 16, 2025
|
|
New extension: Sorted Sets (Redis)
|
|
1
|
289
|
August 20, 2025
|
|
To what extent is using the standard library considered cheating?
|
|
3
|
142
|
April 16, 2026
|
|
Claude Code API Token
|
|
4
|
322
|
February 5, 2026
|
|
April 2026 Roadmap
|
|
0
|
223
|
April 1, 2026
|
|
New extension: Pub/Sub (Redis)
|
|
4
|
498
|
July 30, 2025
|
|
New extension: File Search (grep)
|
|
0
|
173
|
July 28, 2025
|
|
Test code for previous step after submitting
|
|
1
|
83
|
August 12, 2025
|
|
Opinion: Filtering
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|
0
|
23
|
February 26, 2026
|
|
September 2025 Challenges Roadmap
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|
0
|
145
|
September 17, 2025
|
|
August free challenge
|
|
3
|
222
|
August 1, 2025
|
|
What is the purpose of the Kafka challenge?
|
|
4
|
279
|
July 21, 2025
|
|
August 2025 Challenges Roadmap
|
|
1
|
256
|
July 29, 2025
|
|
Language Support: Build your own Claude Code
|
|
0
|
96
|
February 23, 2026
|