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+# Compatibility & deprecation
+
+Until TaskChampion reaches [v1.0.0](https://github.com/taskchampion/taskchampion/milestone/7), nothing is set in stone. That being said, we aim for the following:
+
+1. Major versions represent significant change and may be incompatible with previous major release.
+2. Minor versions are always backwards compatible and might add some new functionality.
+3. Patch versions should not introduce any new functionality and do what name implies — fix bugs.
+
+As there are no major releases yet, we do not support any older versions. Users are encouraged to use the latest release.
+
+## ABI policy
+
+1. We target stable `rustc`.
+2. TaskChampion will never upgrade any storage to a non-compatible version without explicit user's request.
+
+## API policy
+
+1. Deprecated features return a warning at least 1 minor version prior to being removed.
+
+    Example:
+
+    > If support of `--bar` is to be dropped in v2.0.0, we shall announce it in v1.9.0 at latest.
+
+2. We aim to issue a notice of newly added functionality when appropriate.
+
+    Example:
+
+    > "NOTICE: Since v1.1.0 you can use `--foo` in conjunction with `--bar`. Foobar!"
+
+3. TaskChampion always uses UTF-8.
+
+## Command-line interface
+
+Considered to be part of the API policy.
+
+## CLI exit codes
+
+- `0` No errors, normal exit.
+- `1` Generic error.
+- `2` Never used to avoid conflicts with Bash.
+- `3` Unable to execute with the given parameters.
+- `4` I/O error.
+- `5` Database error.
+
+# Security
+
+To report a vulnerability, please contact [dustin@cs.uchicago.edu](dustin@cs.uchicago.edu), you may use GPG public-key `D8097934A92E4B4210368102FF8B7AC6154E3226` which is available [here](https://keybase.io/djmitche/pgp_keys.asc?fingerprint=d8097934a92e4b4210368102ff8b7ac6154e3226). Initial response is expected within ~48h.
+
+We kinldy ask to follow the responsible disclosure model and refrain from sharing information until:
+1. Vulnerabilities are patched in TaskChampion + 60 days to coordinate with distributions.
+2. 90 days since the vulnerability is disclosed to us.
+
+We recognise the legitimacy of public interest and accept that security researchers can publish information after 90-days deadline unilaterally.
+
+We will assist with obtaining CVE and acknowledge the vulnerabilites reported.
diff --git a/SECURITY.md b/SECURITY.md
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-# Security Policy
-
-## Supported Versions
-
-This software is currently pre-release, so no versions are formally supported.
-
-Once 1.0 has been released, only the most recent version will be supported.
-
-## Reporting a Vulnerability
-
-To report a vulnerability in this application, contact me directly at `dustin@cs.uchicago.edu`.
-You can expect an initial response within a day or two, and a regular email conversational cadence thereafter.
diff --git a/docs/assets/cgi/LICENSE.md b/docs/assets/cgi/LICENSE.md
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+Copyright (C) Andrew Savchenko - All Rights Reserved
+All files within this folder are proprietary and reserved for the use by TaskChampion project.
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