Algernon 1.17.3

Fixes

• Only listen for the USR1 signal on some platforms. Fixes #157 (thanks for reporting, @kris6673).

New features

• Add a run3 function, ref #158 (thanks for reporting, @myselfghost).
• Add print_nonl that can be used in connection with flush.
• Add the mprint_ret function that can return required JS code instead of inserting it.
• Let flush, redirect and permanent_redirect return true if the connection was not closed when sending.
• Add support for ie. lang: en and language: en in Markdown files.

Updates to the sample projects

• Improve the "mathematical formulas" sample.
• Add a typewriter / server-side flush sample.
• Set the language to en for 3 of the samples.

Various

• Improve error handling in connection with recorders and flushing.
• Improve some warnings and error messages.
• Build with -ldflags "-s -w" -buildvcs=false by default in the Makefile.
• Add an informative message when serving README.md files without -m.
• Update documentation.
• Update dependencies.

Algernon 1.17.2

Fixes

• Use net/http instead of fasthttp for serving regular HTTP to make the flush() function work again, ref #124 (thanks @diyism and @myselfghost).
• Add support for SQLite, ref #134 (thanks @bearinld004 and @judell, and especially @terminar for creating permissionsqlite).
• Fix #155 by skipping empty <h1></h1> tags (thanks @qithron).

New features

• Make it possible to clear all cache by sending the USR1 signal to Algernon, for platforms that supports this.
• Add a new Markdown theme named setconf.

Various

• Add three new samples.
• Minor performance improvements.
• Some refactoring and cleanup.
• Update documentation.
• Update dependencies.

Algernon 1.17.1

Platform compatibility

• Patch the pingcap/tidb dependency so that Algernon still compiles for ARM 6 and ARM 7.

Ollama / LLMs

• Add the oc:distance() Lua method for finding the distance between two LLM prompts.
• Let the embeddedDistance Lua function take a 3rd argument: euclidean, manhattan, chebyshev, hamming or cosine.
• Improve the image description example.

Markdown

• Improve how images are served when serving a single Markdown document.
• Fix the double opening of the browser when both -m and -o are specified.

Various

• Also cache .webp images, if caching of images is enabled.
• Update dependencies.
• Update documentation.

Algernon 1.17.0

• Add three new Ollama-related functions: base64EncodeFile (base64-encode a given file), describeImage (use Ollama and ie. the llava-llama3 model to describe a base64-encoded image) and embeddedDistance (given two embeddings, try to find how similar they are).
• Serve HTTP with fasthttp (ref #4, thanks for the feature request @iMaxopoly)
• Add a sanhtml function for sanitizing HTML.
• Add experimental support for mathematical formulas in Markdown using MathJax (ref #150, thanks for the feature request @xjl456852).
• Add an example for uploading and describing images with Ollama and the llava-llama3 model.
• Add an example that renders mathematical formulas.
• Fix an issue with inserting JS into HTML.
• Improve the "pretty error page" that appears if there is an error in a Lua script.
• Make it possible to ignore files in a directory listing (ref #149, thanks for the feature request @alpharde).
• Improve how favicons are handled.
• Add a base64 method to UploadedFile objects.
• Try avoiding runtime.GOOS and detect most features at compile time instead.
• Use two atomic.Bool variables instead of a mutex for keeping track of how traffic is being served.
• Use github.com/pkg/browser for opening URLs in a browser.
• Import logrus as "logrus" instead of as "log".
• Use strconv.FormatInt instead of fmt.Sprintf whenever possible.
• Update the Teal example.
• Follow the advice of golint.
• Let some variables be constants instead.
• Remove GOEXPERIMENT=loopvar since it is no longer needed.
• Compile the release binaries with Go 1.22.4.
• Update documentation.
• Update dependencies.

Algernon 1.16.0

New features

• Add support for using AI/LLMs (Ollama) from Lua.
• Add support for .prompt files that contains a content-type, a model name, a blank line and a prompt. See README.md for more information.
• Make it possible to clear the AI cache with ClearCache().

Tutorials and example code

• Add a simple tutorial (TUTORIAL.md).
• Update the React jsonfile example.
• Update the TODO list example to the latest version of React.
• Update the React + JSX + database example.

Various

• Make small changes to the built-in themes.
• Minor changes to the alg2docker script.
• Combine several build and run scripts related to docker.
• Require Go 1.21 or later, mostly because of the QUIC dependency.
• Update CI configuration.
• Update the year in the license file.
• Add the loopvar feature to the dockerfiles.
• Use LABEL maintainer in the Dockerfiles.
• Remove some unused code.
• Update dependencies.

Algernon 1.15.5

• Compile with Go 1.21.5 which has "security fixes to the go command, and the net/http and path/filepath packages, as well as bug fixes to the compiler, the go command, the runtime, and the crypto/rand, net, os, and syscall packages." See the Go issue tracker for more details.
• Also display images when viewing a local Markdown document with algernon -m.
• Fix a typo in the moonscript sample (thanks @testwill).
• Minor improvements to the Makefile and to the form/registration example.
• Update documentation, ref #141, (thanks for reporting @ptman).
• Update dependencies.
• Fix a test.

Algernon 1.15.4

Usability

• Add a newline to the help output (thanks @arimal199).
• Let the servedir Lua function check the given arguments.

Security updates

• Compile with Go 1.21 + update the http2 dependency, ref CVE-2023-39325

Dependencies

• Use the orsinium-labs/enum package for an enum in logo_unix.go.
• Remove deprecated bmizerany/assert.
• Update all dependencies.

Performance

• Use the dkorunic/betteralign utility to align struct fields.
• Enable profile-guided optimization (new feature in Go 1.21).

General

• Improve the alg2docker and benchmark scripts.
• Use the GOEXPERIMENT=loopvar feature.
• Update the GitHub action for Homebrew.
• Update CI configuration.
• Require Go 1.20 or Go 1.21.
• Build the release binaries with Go 1.21.

Algernon 1.15.3

• Support Go 1.21 and drop support for Go 1.19 (thanks @stefanb).
• Enable QUIC support for non-x86_64 macOS, like M1 and M2.
• Fix an issue when building with -tags=trace, for benchmarking.
• Update the welcome.sh script with regard to ulimit and sysctl kern.maxfiles detection.
• Improve the --help output and the REPL help.
• Let the style for the "Welcome" page be slightly more welcoming.
• Improve the Makefile.
• Some minor changes to the code.
• Adjust the example server config.
• Update dependencies.

Algernon 1.15.2

• Remove a duplicate word from the README.md file (thanks Philipp Gillé / @philippgille).
• Serve Algernon web applications (.alg files) from memory if /dev/shm is writable, ref #132 (thanks Dialga / @Dialga).
• Switch from github.com/xyproto/env to github.com/xyproto/env/v2.
• Serve .json files a tiny bit faster.
• Update dependencies.

Algernon 1.15.1

• Switch from blackfriday to gomarkdown/markdown.
• Add a simple example that uses the markdown function.
• Update the CI configuration.
• Update dependencies.
• Update documentation.