jinja2cpp/Jinja2Cpp

Issues somebody may already be working on are listed last. List everything by date

• Rendering parity: empty containers and undefined render as empty, `-}}` trims only part of the whitespace

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  Difficulty 4/5 3-5 days Newbie friendliness 65/100

  jinja2cpp/Jinja2Cpp#290 · Opened Sep 26, 2026

• Missing call and argument validation: `{{empty()}}` and `{{ 1|replace }}` render where Jinja2 raises `TypeError`

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  Difficulty 3/5 1-2 days Newbie friendliness 74/100

  jinja2cpp/Jinja2Cpp#289 · Opened Sep 26, 2026

• Assertion abort on `{{a[()}}` (unchecked expected after a failed subscript)

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  Difficulty 2/5 1-3 hours Newbie friendliness 88/100

  jinja2cpp/Jinja2Cpp#288 · Opened Sep 26, 2026

• Stack-buffer overflow in ParserTraits::RangeToNum

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  Difficulty 3/5 1-2 days Newbie friendliness 70/100

  jinja2cpp/Jinja2Cpp#287 · Opened Sep 25, 2026

• Feature request: README should have example passing variables

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  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  jinja2cpp/Jinja2Cpp#286 · Opened Sep 18, 2026

• undefined reference to fmt::*

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#282 · 1 comment · Opened Oct 29, 2025

• Length filter does not work directly on strings

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  Difficulty 1/5 Under an hour Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#273 · 1 comment · Opened Oct 28, 2024

• Fix crash with simple string literal if-elif-else template

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  Difficulty 3/5 1-2 days Newbie friendliness 42/100

  jinja2cpp/Jinja2Cpp#268 · Opened Sep 30, 2024

• Fix "str|format" string formatting to match spec (%s formatting, not {} formatting), also support "str.format" syntax

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  jinja2cpp/Jinja2Cpp#267 · Opened Sep 26, 2024

• Fix True/False/None value rendering (Python jinja2 parity)

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  Difficulty 3/5 1-2 days Newbie friendliness 42/100

  jinja2cpp/Jinja2Cpp#266 · Opened Sep 26, 2024

• Support 'is not _' expression syntax

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  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  jinja2cpp/Jinja2Cpp#265 · Opened Sep 25, 2024

• Support 'None' literal syntax (example template crashes / segfault / stack-buffer-overflow on "Load" today)

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  Difficulty 2/5 1-3 hours Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#264 · Opened Sep 25, 2024

• Python parity bug(?): Comma-delimited expression

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  jinja2cpp/Jinja2Cpp#263 · Opened Sep 23, 2024

• Fix dict/map literal expression parsing

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  Difficulty 2/5 1-3 hours Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#262 · 2 comments · 1 reaction · Opened Sep 23, 2024

• Support for "not in" syntax (works in Python jinja2)

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  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#261 · 2 comments · Opened Sep 20, 2024

• Missing file error on 'make install'

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  Difficulty 2/5 1-3 hours Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#260 · 2 reactions · Opened Sep 19, 2024

• non-const fmt format was deprecated and no longer compiles

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  Difficulty 1/5 Under an hour Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#257 · 1 comment · Opened Aug 15, 2024

• Python bindings

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  jinja2cpp/Jinja2Cpp#256 · Opened Jul 1, 2024

• Support other Jinja workflows

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#255 · Opened Jul 1, 2024

• Failure rendering a simple template

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  jinja2cpp/Jinja2Cpp#252 · 2 comments · 2 reactions · Opened May 31, 2024

• [build]1.3.1 apparently does not clone dependencies

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#248 · 3 comments · 1 reaction · Opened Apr 11, 2024

• Render error when single quotation mark meets right curvly bracket

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  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#247 · 1 comment · Opened Mar 12, 2024

• Missing debug info for MSVC static lib

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  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  jinja2cpp/Jinja2Cpp#224 · Opened Apr 25, 2022

• Have Problem Building Current Version of Library With VS2019

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  Difficulty 3/5 1-2 days Newbie friendliness 25/100

  jinja2cpp/Jinja2Cpp#204 · 10 comments · Opened Aug 24, 2020

• Requesting to have Nlohmann.JSON added as a possible external dependency alongside Boost

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  jinja2cpp/Jinja2Cpp#203 · Opened Aug 20, 2020

• I tried to do `-DCMAKE_CXX_STANDARD=17` but I still get 14 - Why? (trying to regenerate and rebuild after `git pull`)

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  jinja2cpp/Jinja2Cpp#196 · Opened May 4, 2020

• Current status of the project

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  jinja2cpp/Jinja2Cpp#195 · 20 comments · 1 reaction · Opened Apr 29, 2020

• Create Jinja2C++ package for vcpkg package manager

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  enhancement help wanted

  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  jinja2cpp/Jinja2Cpp#194 · 3 comments · 1 reaction · Opened Mar 15, 2020

• Support for common python dictionary function

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  enhancement

  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#193 · Opened Mar 15, 2020

• "for" syntax is not work with dictionary

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  enhancement

  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#178 · 10 comments · 9 reactions · Opened Oct 30, 2019

• Implement 'indent' filter

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  enhancement hacktoberfest help wanted

  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#174 · Opened Oct 19, 2019

• Implement 'forceescape' filter

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  enhancement hacktoberfest help wanted

  Difficulty 2/5 1-3 hours Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#173 · Opened Oct 19, 2019

• Implement 'filesizeformat' filter

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  enhancement hacktoberfest help wanted

  Difficulty 3/5 1-2 days Newbie friendliness 52/100

  jinja2cpp/Jinja2Cpp#172 · Opened Oct 19, 2019

• Not protected against infinite include chain

  May be free again @flexferrum claimed this 2545 days ago, and no pull request is open. Open

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  bug

  jinja2cpp/Jinja2Cpp#160 · 1 assignee · Opened Oct 8, 2019

• Fix typos, grammar and spelling in README.md

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  hacktoberfest help wanted sooooo cute!

  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  jinja2cpp/Jinja2Cpp#149 · 1 comment · Opened Oct 4, 2019

• Support for common python list function

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  enhancement hacktoberfest

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#135 · Opened Sep 5, 2019

• Support for common python string functions

  May be free again @Servuc claimed this 2549 days ago, and no pull request is open. Open

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  jinja2cpp/Jinja2Cpp#134 · 10 comments · 1 reaction · 1 assignee · Opened Sep 5, 2019

• Implement parse-time template optimization

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  enhancement

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  jinja2cpp/Jinja2Cpp#123 · Opened Jun 27, 2019

• Support for index-based arrays slicing

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  bug hacktoberfest

  Difficulty 4/5 3-5 days Newbie friendliness 32/100

  jinja2cpp/Jinja2Cpp#120 · 2 comments · 1 reaction · Opened Jun 19, 2019

• Fix 'attribute' filters parameter behaviour

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  bug hacktoberfest

  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  jinja2cpp/Jinja2Cpp#119 · Opened Jun 19, 2019

• Allow multiple attributes in 'sort' filter

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  enhancement

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  jinja2cpp/Jinja2Cpp#111 · Opened Jun 1, 2019

• Support for auto-indent blocks

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  enhancement

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  jinja2cpp/Jinja2Cpp#85 · 1 comment · Opened Nov 1, 2018

• Add 'flip' filter

  May be free again @palchukovsky claimed this 2591 days ago, and no pull request is open. Open

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  enhancement

  jinja2cpp/Jinja2Cpp#61 · 2 comments · 1 assignee · Opened Oct 5, 2018

• Implement custom (specific to Jinja2C++) filters

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  die hard enhancement

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  jinja2cpp/Jinja2Cpp#41 · 1 comment · Opened Sep 29, 2018

• Create the CLI tool for processing Jinja2 template

  May be free again @palchukovsky claimed this 2591 days ago, and no pull request is open. Open

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  enhancement

  jinja2cpp/Jinja2Cpp#32 · 1 assignee · Opened Jul 23, 2018

• Add usage samples

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  enhancement

  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#31 · 5 comments · Opened Jul 19, 2018

• Support general templates parsing and rendering options

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  enhancement

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  jinja2cpp/Jinja2Cpp#30 · Opened Jul 13, 2018